From f59537c393f23e41d8c50086af32eaa5a173e08c Mon Sep 17 00:00:00 2001
From: Joas Schilling <coding@schilljs.com>
Date: Tue, 20 Oct 2026 19:36:43 +0200
Subject: [PATCH 1/2] feat(external-call): Allow the service to set the
 participant list

Assisted-by: ClaudeCode:claude-opus-5-5
Signed-off-by: Joas Schilling <coding@schilljs.com>
---
 docs/external-call-service.md                 |  19 +++
 lib/Controller/RoomController.php             | 151 ++++++++++++++++++
 tests/integration/Contexts/FeatureContext.php |  21 +++
 .../create-external-service.feature           |  45 ++++++
 4 files changed, 236 insertions(+)

diff --git a/docs/external-call-service.md b/docs/external-call-service.md
index 0fb7cfbd455..aa6be8cf64a 100644
--- a/docs/external-call-service.md
+++ b/docs/external-call-service.md
@@ -92,6 +92,25 @@ Only `roomType = 2` (group) and `roomType = 3` (public) are allowed when using t
 
 Requests with an invalid secret are brute-force protected (`talkExternalCallServiceSecret` action).
 
+## External service → Talk: synchronizing participants
+
+The external service can replace the participant list of an existing conversation. Only conversations with `objectType = external_call` are supported. Participants missing from the list are removed (owners are always kept), participants new in the list are added.
+
+* Method: `PUT`
+* Endpoint: `/ocs/v2.php/apps/spreed/api/v4/room/{token}/participants`
+* Authentication: same `x-nextcloud-talk-external-service-random` and `x-nextcloud-talk-external-service-checksum` headers as for creating a conversation
+* `owner` (string, required): user ID of an owner of the conversation, used as the actor
+* `participants` (object): same format as `participants` when creating a conversation, e.g. `{"users": ["alice"], "emails": ["bob@example.tld"]}`
+
+| Status             | Meaning                                                                                 |
+|--------------------|-----------------------------------------------------------------------------------------|
+| `200 OK`           | Participants synchronized                                                               |
+| `202 Accepted`     | Participants synchronized, but some could not be added (listed in `invalidParticipants`) |
+| `400 Bad Request`  | Conversation does not have `objectType = external_call`                                 |
+| `401 Unauthorized` | Invalid checksum                                                                        |
+| `403 Forbidden`    | `owner` is not an owner of the conversation                                             |
+| `404 Not Found`    | Conversation or `owner` not found                                                       |
+
 ## Talk → iframe communication
 
 The iframe URL is loaded in a sandboxed `<iframe>` with the following attributes:
diff --git a/lib/Controller/RoomController.php b/lib/Controller/RoomController.php
index adc6da24f72..452fbe488bc 100644
--- a/lib/Controller/RoomController.php
+++ b/lib/Controller/RoomController.php
@@ -9,6 +9,7 @@
 namespace OCA\Talk\Controller;
 
 use GuzzleHttp\Exception\ClientException;
+use OCA\Circles\Model\Member;
 use OCA\DAV\CalDAV\TimezoneService;
 use OCA\Talk\AuditLog\Operation;
 use OCA\Talk\Authenticator;
@@ -57,6 +58,7 @@
 use OCA\Talk\Middleware\Attribute\RequireRoom;
 use OCA\Talk\Model\Attendee;
 use OCA\Talk\Model\BreakoutRoom;
+use OCA\Talk\Model\InvitationList;
 use OCA\Talk\Model\Session;
 use OCA\Talk\Model\Thread;
 use OCA\Talk\Participant;
@@ -106,6 +108,7 @@
 use OCP\Calendar\IManager as ICalendarManager;
 use OCP\Comments\IComment;
 use OCP\EventDispatcher\IEventDispatcher;
+use OCP\Federation\ICloudId;
 use OCP\Federation\ICloudIdManager;
 use OCP\Http\Client\IClientService;
 use OCP\IConfig;
@@ -942,6 +945,154 @@ public function createRoom(
 		return new DataResponse($data, Http::STATUS_ACCEPTED);
 	}
 
+	/**
+	 * Synchronize the participants of a conversation with the given list
+	 *
+	 * Only available for the external call service. Participants missing from
+	 * the list are removed (except owners), participants new in the list are added.
+	 *
+	 * @param string $token Token of the room
+	 * @param array<string, list<string>> $participants List of participants the conversation should have grouped by type
+	 * @psalm-param TalkInvitationList $participants
+	 * @param string $owner User ID of an owner of the conversation that will be used as actor
+	 * @return DataResponse<Http::STATUS_OK, TalkRoom, array{}>|DataResponse<Http::STATUS_ACCEPTED, TalkRoomWithInvalidInvitations, array{}>|DataResponse<Http::STATUS_BAD_REQUEST|Http::STATUS_FORBIDDEN|Http::STATUS_NOT_FOUND, array{error: 'owner'|'room'|'room-type'}, array{}>|DataResponse<Http::STATUS_UNAUTHORIZED, array{error: 'auth'}, array{}>
+	 *
+	 * 200: Participants synchronized successfully
+	 * 202: Participants synchronized but not all participants could be added
+	 * 400: Room is not an external call service conversation
+	 * 401: Invalid external call service secret
+	 * 403: Owner is not an owner of the conversation
+	 * 404: Room or owner not found
+	 */
+	#[PublicPage]
+	#[BruteForceProtection(action: 'talkExternalCallServiceSecret')]
+	#[RequestHeader(name: 'x-nextcloud-talk-external-service-random', description: 'Random seed (at least 32 bytes) used together with the owner user ID to generate the SHA256-HMAC request checksum', indirect: true)]
+	#[RequestHeader(name: 'x-nextcloud-talk-external-service-checksum', description: 'SHA256-HMAC checksum over the concatenation of the random seed and the owner user ID, signed with the shared external call service secret, to verify authenticity from the external call service', indirect: true)]
+	#[ApiRoute(verb: 'PUT', url: '/api/{apiVersion}/room/{token}/participants', requirements: [
+		'apiVersion' => '(v4)',
+		'token' => '[a-z0-9]{4,30}',
+	])]
+	public function syncParticipants(string $token, array $participants = [], string $owner = ''): DataResponse {
+		$externalServiceRandom = $this->request->getHeader('x-nextcloud-talk-external-service-random');
+		$externalServiceChecksum = $this->request->getHeader('x-nextcloud-talk-external-service-checksum');
+		if (!$this->validateExternalCallServiceRequest($owner, $externalServiceRandom, $externalServiceChecksum)) {
+			$response = new DataResponse(['error' => 'auth'], Http::STATUS_UNAUTHORIZED);
+			$response->throttle(['action' => 'talkExternalCallServiceSecret']);
+			return $response;
+		}
+
+		$user = $this->userManager->get($owner);
+		if (!$user instanceof IUser) {
+			return new DataResponse(['error' => 'owner'], Http::STATUS_NOT_FOUND);
+		}
+
+		try {
+			$room = $this->manager->getRoomByToken($token);
+			$ownerParticipant = $this->participantService->getParticipant($room, $owner, false);
+		} catch (RoomNotFoundException|ParticipantNotFoundException) {
+			return new DataResponse(['error' => 'room'], Http::STATUS_NOT_FOUND);
+		}
+
+		if (!$ownerParticipant->isOwner()) {
+			return new DataResponse(['error' => 'owner'], Http::STATUS_FORBIDDEN);
+		}
+
+		if ($room->getObjectType() !== Room::OBJECT_TYPE_EXTERNAL_CALL) {
+			return new DataResponse(['error' => 'room-type'], Http::STATUS_BAD_REQUEST);
+		}
+
+		$invitationList = $this->invitationService->validateInvitations($participants, $user, $room);
+
+		// Entries of the raw list are kept as well, so participants are not
+		// removed only because their invitation can not be validated again
+		$keep = [];
+		foreach ($participants['users'] ?? [] as $userId) {
+			$keep[Attendee::ACTOR_USERS . '/' . $userId] = true;
+		}
+		foreach ($participants['federated_users'] ?? [] as $cloudId) {
+			$keep[Attendee::ACTOR_FEDERATED_USERS . '/' . $cloudId] = true;
+		}
+		foreach ($invitationList->getFederatedUsers() as $cloudId) {
+			$keep[Attendee::ACTOR_FEDERATED_USERS . '/' . $cloudId->getId()] = true;
+		}
+		foreach ($participants['groups'] ?? [] as $groupId) {
+			$keep[Attendee::ACTOR_GROUPS . '/' . $groupId] = true;
+		}
+		foreach ($invitationList->getGroup() as $group) {
+			foreach ($group->getUsers() as $groupMember) {
+				$keep[Attendee::ACTOR_USERS . '/' . $groupMember->getUID()] = true;
+			}
+		}
+		foreach ($participants['teams'] ?? [] as $teamId) {
+			$keep[Attendee::ACTOR_CIRCLES . '/' . $teamId] = true;
+		}
+		foreach ($invitationList->getTeams() as $team) {
+			foreach ($team->getInheritedMembers() as $teamMember) {
+				if ($teamMember->getUserType() === Member::TYPE_USER) {
+					$keep[Attendee::ACTOR_USERS . '/' . $teamMember->getUserId()] = true;
+				}
+			}
+		}
+		foreach ($participants['emails'] ?? [] as $email) {
+			$keep[Attendee::ACTOR_EMAILS . '/' . hash('sha256', strtolower($email))] = true;
+		}
+		$keepPhoneNumbers = array_flip(array_merge($participants['phones'] ?? [], array_values($invitationList->getPhoneNumbers())));
+
+		$presentUsers = $presentFederatedUsers = $presentPhoneNumbers = [];
+		foreach ($this->participantService->getParticipantsForRoom($room) as $participant) {
+			$attendee = $participant->getAttendee();
+			if ($participant->isOwner()
+				|| ($attendee->getActorType() === Attendee::ACTOR_USERS && $attendee->getActorId() === MatterbridgeManager::BRIDGE_BOT_USERID)) {
+				continue;
+			}
+
+			if ($attendee->getActorType() === Attendee::ACTOR_PHONES) {
+				if (isset($keepPhoneNumbers[$attendee->getPhoneNumber()])) {
+					$presentPhoneNumbers[$attendee->getPhoneNumber()] = true;
+					continue;
+				}
+			} elseif (!in_array($attendee->getActorType(), [
+				Attendee::ACTOR_USERS,
+				Attendee::ACTOR_FEDERATED_USERS,
+				Attendee::ACTOR_GROUPS,
+				Attendee::ACTOR_CIRCLES,
+				Attendee::ACTOR_EMAILS,
+			], true)) {
+				continue;
+			} elseif (isset($keep[$attendee->getActorType() . '/' . $attendee->getActorId()])) {
+				if ($attendee->getActorType() === Attendee::ACTOR_USERS) {
+					$presentUsers[$attendee->getActorId()] = true;
+				} elseif ($attendee->getActorType() === Attendee::ACTOR_FEDERATED_USERS) {
+					$presentFederatedUsers[$attendee->getActorId()] = true;
+				}
+				continue;
+			}
+
+			$this->participantService->removeAttendee($room, $participant, AAttendeeRemovedEvent::REASON_REMOVED);
+		}
+		$presentUsers[$owner] = true;
+
+		// Users, federated users and phone numbers are not deduplicated when adding
+		$toAdd = new InvitationList();
+		$toAdd->setUserResults(array_diff_key($invitationList->getUsers(), $presentUsers), []);
+		$toAdd->setFederatedUserResults(array_filter($invitationList->getFederatedUsers(), static fn (ICloudId $cloudId): bool => !isset($presentFederatedUsers[$cloudId->getId()])), []);
+		$toAdd->setGroupResults($invitationList->getGroup(), []);
+		$toAdd->setTeamResults($invitationList->getTeams(), []);
+		$toAdd->setEmailResults($invitationList->getEmails(), []);
+		$toAdd->setPhoneNumberResults(array_filter($invitationList->getPhoneNumbers(), static fn (string $phoneNumber): bool => !isset($presentPhoneNumbers[$phoneNumber])), []);
+		if ($toAdd->hasValidInvitations()) {
+			$this->participantService->addInvitationList($room, $toAdd, $user);
+		}
+
+		$data = $this->formatRoom($room, $ownerParticipant);
+		if (!$invitationList->hasInvalidInvitations()) {
+			return new DataResponse($data, Http::STATUS_OK);
+		}
+
+		$data['invalidParticipants'] = $invitationList->getInvalidList();
+		return new DataResponse($data, Http::STATUS_ACCEPTED);
+	}
+
 	/**
 	 * Initiates a one-to-one video call from the current user to the recipient
 	 *
diff --git a/tests/integration/Contexts/FeatureContext.php b/tests/integration/Contexts/FeatureContext.php
index ea96db88c8e..ec96c3b5a15 100644
--- a/tests/integration/Contexts/FeatureContext.php
+++ b/tests/integration/Contexts/FeatureContext.php
@@ -1238,6 +1238,27 @@ public function externalCallServiceCreatesRoom(string $identifier, string $secre
 		}
 	}
 
+	#[Then('/^external call service syncs participants of room "([^"]*)" as "([^"]*)" with secret "([^"]*)" with (\d+) \((v4)\)$/')]
+	public function externalCallServiceSyncsParticipants(string $identifier, string $owner, string $secret, int $statusCode, string $apiVersion, ?TableNode $formData = null): void {
+		$participants = [];
+		foreach ($formData ? $formData->getRowsHash() : [] as $type => $ids) {
+			$participants[$type] = $ids === '' ? [] : explode(',', $ids);
+		}
+
+		$random = bin2hex(random_bytes(32));
+		$headers = [
+			'x-nextcloud-talk-external-service-random' => $random,
+			'x-nextcloud-talk-external-service-checksum' => hash_hmac('sha256', $random . $owner, $secret),
+		];
+
+		$this->setCurrentUser('');
+		$this->sendRequest('PUT', '/apps/spreed/api/' . $apiVersion . '/room/' . self::$identifierToToken[$identifier] . '/participants', [
+			'owner' => $owner,
+			'participants' => $participants,
+		], $headers);
+		$this->assertStatusCode($this->response, $statusCode);
+	}
+
 	#[Then('/^user "([^"]*)" gets the room for path "([^"]*)" with (\d+) \((v1)\)$/')]
 	public function userGetsTheRoomForPath(string $user, string $path, int $statusCode, string $apiVersion): void {
 		$fileId = $this->getFileIdForPath($user, $path);
diff --git a/tests/integration/features/conversation-1/create-external-service.feature b/tests/integration/features/conversation-1/create-external-service.feature
index 1125acd7526..b29fad037c1 100644
--- a/tests/integration/features/conversation-1/create-external-service.feature
+++ b/tests/integration/features/conversation-1/create-external-service.feature
@@ -86,3 +86,48 @@ Feature: conversation-1/create-external-service
       | roomName | room |
       | owner | participant1 |
     Then user "participant1" is participant of the following rooms (v4)
+
+  Scenario: External call service syncs the participants of a room
+    Given user "participant2" exists
+    Given user "participant3" exists
+    Given the following "spreed" app config is set
+      | external_call_service_shared_secret | aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
+      | external_call_service_auth_user | nextcloud |
+      | external_call_service_iframe_field | targetUrl |
+    Given external call server is started
+    When external call service creates room "room" with secret "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" with 201 (v4)
+      | roomType | 3 |
+      | roomName | room |
+      | owner | participant1 |
+      | objectType | external_call |
+      | objectId | d4e5f6a7-b8c9-0123-defa-123456789012 |
+    When external call service syncs participants of room "room" as "participant1" with secret "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" with 200 (v4)
+      | users  | participant2 |
+      | emails | test@example.tld |
+    Then user "participant1" sees the following attendees in room "room" with 200 (v4)
+      | actorType  | actorId                                                          | participantType |
+      | users      | participant1                                                     | 1               |
+      | users      | participant2                                                     | 3               |
+      | emails     | SHA256(test@example.tld)                                         | 4               |
+    When external call service syncs participants of room "room" as "participant1" with secret "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" with 200 (v4)
+      | users  | participant2,participant3 |
+    Then user "participant1" sees the following attendees in room "room" with 200 (v4)
+      | actorType  | actorId      | participantType |
+      | users      | participant1 | 1               |
+      | users      | participant2 | 3               |
+      | users      | participant3 | 3               |
+    When external call service syncs participants of room "room" as "participant1" with secret "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" with 200 (v4)
+      | users  | |
+    Then user "participant1" sees the following attendees in room "room" with 200 (v4)
+      | actorType  | actorId      | participantType |
+      | users      | participant1 | 1               |
+    When external call service syncs participants of room "room" as "participant2" with secret "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" with 404 (v4)
+      | users  | participant2 |
+    When external call service syncs participants of room "room" as "participant1" with secret "bbbbbbbbbb" with 401 (v4)
+      | users  | participant2 |
+    When external call service creates room "room2" with secret "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" with 201 (v4)
+      | roomType | 3 |
+      | roomName | room2 |
+      | owner | participant1 |
+    When external call service syncs participants of room "room2" as "participant1" with secret "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" with 400 (v4)
+      | users  | participant2 |

From 9fd3a79de1565431e4f729e2537170471bc97afd Mon Sep 17 00:00:00 2001
From: Joas Schilling <coding@schilljs.com>
Date: Tue, 20 Oct 2026 19:37:43 +0200
Subject: [PATCH 2/2] chore(assets): Recompile assets

Signed-off-by: Joas Schilling <coding@schilljs.com>
---
 openapi-full.json                 | 1389 ++++++++++++++++++-----------
 openapi.json                      | 1389 ++++++++++++++++++-----------
 src/types/openapi/openapi-full.ts |  473 ++++++----
 src/types/openapi/openapi.ts      |  473 ++++++----
 4 files changed, 2320 insertions(+), 1404 deletions(-)

diff --git a/openapi-full.json b/openapi-full.json
index 5f3efc89ba4..d8fde132ca2 100644
--- a/openapi-full.json
+++ b/openapi-full.json
@@ -23851,14 +23851,16 @@
                 }
             }
         },
-        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/favorite": {
-            "post": {
-                "operationId": "room-add-to-favorites",
-                "summary": "Add a room to the favorites",
+        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/participants": {
+            "put": {
+                "operationId": "room-sync-participants",
+                "summary": "Synchronize the participants of a conversation with the given list",
+                "description": "Only available for the external call service. Participants missing from the list are removed (except owners), participants new in the list are added.",
                 "tags": [
                     "room"
                 ],
                 "security": [
+                    {},
                     {
                         "bearer_auth": []
                     },
@@ -23866,6 +23868,28 @@
                         "basic_auth": []
                     }
                 ],
+                "requestBody": {
+                    "required": false,
+                    "content": {
+                        "application/json": {
+                            "schema": {
+                                "type": "object",
+                                "properties": {
+                                    "participants": {
+                                        "$ref": "#/components/schemas/InvitationList",
+                                        "default": [],
+                                        "description": "List of participants the conversation should have grouped by type"
+                                    },
+                                    "owner": {
+                                        "type": "string",
+                                        "default": "",
+                                        "description": "User ID of an owner of the conversation that will be used as actor"
+                                    }
+                                }
+                            }
+                        }
+                    }
+                },
                 "parameters": [
                     {
                         "name": "apiVersion",
@@ -23882,12 +23906,29 @@
                     {
                         "name": "token",
                         "in": "path",
+                        "description": "Token of the room",
                         "required": true,
                         "schema": {
                             "type": "string",
                             "pattern": "^[a-z0-9]{4,30}$"
                         }
                     },
+                    {
+                        "name": "x-nextcloud-talk-external-service-random",
+                        "in": "header",
+                        "description": "Random seed (at least 32 bytes) used together with the owner user ID to generate the SHA256-HMAC request checksum",
+                        "schema": {
+                            "type": "string"
+                        }
+                    },
+                    {
+                        "name": "x-nextcloud-talk-external-service-checksum",
+                        "in": "header",
+                        "description": "SHA256-HMAC checksum over the concatenation of the random seed and the owner user ID, signed with the shared external call service secret, to verify authenticity from the external call service",
+                        "schema": {
+                            "type": "string"
+                        }
+                    },
                     {
                         "name": "OCS-APIRequest",
                         "in": "header",
@@ -23901,7 +23942,7 @@
                 ],
                 "responses": {
                     "200": {
-                        "description": "Successfully added room to favorites",
+                        "description": "Participants synchronized successfully",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -23930,8 +23971,8 @@
                             }
                         }
                     },
-                    "401": {
-                        "description": "Current user is not logged in",
+                    "202": {
+                        "description": "Participants synchronized but not all participants could be added",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -23950,66 +23991,18 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {}
+                                                "data": {
+                                                    "$ref": "#/components/schemas/RoomWithInvalidInvitations"
+                                                }
                                             }
                                         }
                                     }
                                 }
                             }
                         }
-                    }
-                }
-            },
-            "delete": {
-                "operationId": "room-remove-from-favorites",
-                "summary": "Remove a room from the favorites",
-                "tags": [
-                    "room"
-                ],
-                "security": [
-                    {
-                        "bearer_auth": []
-                    },
-                    {
-                        "basic_auth": []
-                    }
-                ],
-                "parameters": [
-                    {
-                        "name": "apiVersion",
-                        "in": "path",
-                        "required": true,
-                        "schema": {
-                            "type": "string",
-                            "enum": [
-                                "v4"
-                            ],
-                            "default": "v4"
-                        }
-                    },
-                    {
-                        "name": "token",
-                        "in": "path",
-                        "required": true,
-                        "schema": {
-                            "type": "string",
-                            "pattern": "^[a-z0-9]{4,30}$"
-                        }
                     },
-                    {
-                        "name": "OCS-APIRequest",
-                        "in": "header",
-                        "description": "Required to be true for the API request to pass",
-                        "required": true,
-                        "schema": {
-                            "type": "boolean",
-                            "default": true
-                        }
-                    }
-                ],
-                "responses": {
-                    "200": {
-                        "description": "Successfully removed room from favorites",
+                    "400": {
+                        "description": "Room is not an external call service conversation",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24029,7 +24022,20 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "$ref": "#/components/schemas/Room"
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "owner",
+                                                                "room",
+                                                                "room-type"
+                                                            ]
+                                                        }
+                                                    }
                                                 }
                                             }
                                         }
@@ -24038,8 +24044,8 @@
                             }
                         }
                     },
-                    "401": {
-                        "description": "Current user is not logged in",
+                    "403": {
+                        "description": "Owner is not an owner of the conversation",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24058,88 +24064,31 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {}
+                                                "data": {
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "owner",
+                                                                "room",
+                                                                "room-type"
+                                                            ]
+                                                        }
+                                                    }
+                                                }
                                             }
                                         }
                                     }
                                 }
                             }
                         }
-                    }
-                }
-            }
-        },
-        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/notify": {
-            "post": {
-                "operationId": "room-set-notification-level",
-                "summary": "Update the notification level for a room",
-                "tags": [
-                    "room"
-                ],
-                "security": [
-                    {
-                        "bearer_auth": []
-                    },
-                    {
-                        "basic_auth": []
-                    }
-                ],
-                "requestBody": {
-                    "required": true,
-                    "content": {
-                        "application/json": {
-                            "schema": {
-                                "type": "object",
-                                "required": [
-                                    "level"
-                                ],
-                                "properties": {
-                                    "level": {
-                                        "type": "integer",
-                                        "format": "int64",
-                                        "description": "New level"
-                                    }
-                                }
-                            }
-                        }
-                    }
-                },
-                "parameters": [
-                    {
-                        "name": "apiVersion",
-                        "in": "path",
-                        "required": true,
-                        "schema": {
-                            "type": "string",
-                            "enum": [
-                                "v4"
-                            ],
-                            "default": "v4"
-                        }
-                    },
-                    {
-                        "name": "token",
-                        "in": "path",
-                        "required": true,
-                        "schema": {
-                            "type": "string",
-                            "pattern": "^[a-z0-9]{4,30}$"
-                        }
                     },
-                    {
-                        "name": "OCS-APIRequest",
-                        "in": "header",
-                        "description": "Required to be true for the API request to pass",
-                        "required": true,
-                        "schema": {
-                            "type": "boolean",
-                            "default": true
-                        }
-                    }
-                ],
-                "responses": {
-                    "200": {
-                        "description": "Notification level updated successfully",
+                    "404": {
+                        "description": "Room or owner not found",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24159,7 +24108,20 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "$ref": "#/components/schemas/Room"
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "owner",
+                                                                "room",
+                                                                "room-type"
+                                                            ]
+                                                        }
+                                                    }
                                                 }
                                             }
                                         }
@@ -24168,8 +24130,8 @@
                             }
                         }
                     },
-                    "400": {
-                        "description": "Updating notification level is not possible",
+                    "401": {
+                        "description": "Invalid external call service secret",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24197,7 +24159,7 @@
                                                         "error": {
                                                             "type": "string",
                                                             "enum": [
-                                                                "level"
+                                                                "auth"
                                                             ]
                                                         }
                                                     }
@@ -24208,73 +24170,24 @@
                                 }
                             }
                         }
-                    },
-                    "401": {
-                        "description": "Current user is not logged in",
-                        "content": {
-                            "application/json": {
-                                "schema": {
-                                    "type": "object",
-                                    "required": [
-                                        "ocs"
-                                    ],
-                                    "properties": {
-                                        "ocs": {
-                                            "type": "object",
-                                            "required": [
-                                                "meta",
-                                                "data"
-                                            ],
-                                            "properties": {
-                                                "meta": {
-                                                    "$ref": "#/components/schemas/OCSMeta"
-                                                },
-                                                "data": {}
-                                            }
-                                        }
-                                    }
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        },
-        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/notify-calls": {
-            "post": {
-                "operationId": "room-set-notification-calls",
-                "summary": "Update call notifications",
-                "tags": [
-                    "room"
-                ],
-                "security": [
-                    {
-                        "bearer_auth": []
+                    }
+                }
+            },
+            "get": {
+                "operationId": "room-get-participants",
+                "summary": "Get a list of participants for a room",
+                "tags": [
+                    "room"
+                ],
+                "security": [
+                    {},
+                    {
+                        "bearer_auth": []
                     },
                     {
                         "basic_auth": []
                     }
                 ],
-                "requestBody": {
-                    "required": true,
-                    "content": {
-                        "application/json": {
-                            "schema": {
-                                "type": "object",
-                                "required": [
-                                    "level"
-                                ],
-                                "properties": {
-                                    "level": {
-                                        "type": "integer",
-                                        "format": "int64",
-                                        "description": "New level"
-                                    }
-                                }
-                            }
-                        }
-                    }
-                },
                 "parameters": [
                     {
                         "name": "apiVersion",
@@ -24297,6 +24210,23 @@
                             "pattern": "^[a-z0-9]{4,30}$"
                         }
                     },
+                    {
+                        "name": "includeStatus",
+                        "in": "query",
+                        "description": "Include the user statuses",
+                        "schema": {
+                            "type": "boolean",
+                            "default": false
+                        }
+                    },
+                    {
+                        "name": "x-nextcloud-federation",
+                        "in": "header",
+                        "description": "Set to 1 when the request is performed by another Nextcloud Server to indicate a federation request",
+                        "schema": {
+                            "type": "string"
+                        }
+                    },
                     {
                         "name": "OCS-APIRequest",
                         "in": "header",
@@ -24310,37 +24240,14 @@
                 ],
                 "responses": {
                     "200": {
-                        "description": "Call notification level updated successfully",
-                        "content": {
-                            "application/json": {
+                        "description": "Participants returned",
+                        "headers": {
+                            "X-Nextcloud-Has-User-Statuses": {
                                 "schema": {
-                                    "type": "object",
-                                    "required": [
-                                        "ocs"
-                                    ],
-                                    "properties": {
-                                        "ocs": {
-                                            "type": "object",
-                                            "required": [
-                                                "meta",
-                                                "data"
-                                            ],
-                                            "properties": {
-                                                "meta": {
-                                                    "$ref": "#/components/schemas/OCSMeta"
-                                                },
-                                                "data": {
-                                                    "$ref": "#/components/schemas/Room"
-                                                }
-                                            }
-                                        }
-                                    }
+                                    "type": "boolean"
                                 }
                             }
-                        }
-                    },
-                    "400": {
-                        "description": "Updating call notification level is not possible",
+                        },
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24360,17 +24267,9 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "type": "object",
-                                                    "required": [
-                                                        "error"
-                                                    ],
-                                                    "properties": {
-                                                        "error": {
-                                                            "type": "string",
-                                                            "enum": [
-                                                                "level"
-                                                            ]
-                                                        }
+                                                    "type": "array",
+                                                    "items": {
+                                                        "$ref": "#/components/schemas/Participant"
                                                     }
                                                 }
                                             }
@@ -24380,8 +24279,8 @@
                             }
                         }
                     },
-                    "401": {
-                        "description": "Current user is not logged in",
+                    "403": {
+                        "description": "Missing permissions for getting participants",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24400,7 +24299,9 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {}
+                                                "data": {
+                                                    "nullable": true
+                                                }
                                             }
                                         }
                                     }
@@ -24409,17 +24310,14 @@
                         }
                     }
                 }
-            }
-        },
-        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/description": {
-            "put": {
-                "operationId": "room-set-description",
-                "summary": "Update the description of a room",
+            },
+            "post": {
+                "operationId": "room-add-participant-to-room",
+                "summary": "Add a participant to a room",
                 "tags": [
                     "room"
                 ],
                 "security": [
-                    {},
                     {
                         "bearer_auth": []
                     },
@@ -24434,12 +24332,26 @@
                             "schema": {
                                 "type": "object",
                                 "required": [
-                                    "description"
+                                    "newParticipant"
                                 ],
                                 "properties": {
-                                    "description": {
+                                    "newParticipant": {
                                         "type": "string",
-                                        "description": "New description for the conversation (limited to 2.000 characters, was 500 before Talk 21)"
+                                        "description": "New participant"
+                                    },
+                                    "source": {
+                                        "type": "string",
+                                        "default": "users",
+                                        "enum": [
+                                            "users",
+                                            "groups",
+                                            "circles",
+                                            "emails",
+                                            "federated_users",
+                                            "phones",
+                                            "teams"
+                                        ],
+                                        "description": "Source of the participant"
                                     }
                                 }
                             }
@@ -24481,7 +24393,7 @@
                 ],
                 "responses": {
                     "200": {
-                        "description": "Description updated successfully",
+                        "description": "Participant successfully added, in Matrix conversations the user is invited and added once they accepted",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24501,7 +24413,13 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "$ref": "#/components/schemas/Room"
+                                                    "type": "object",
+                                                    "properties": {
+                                                        "type": {
+                                                            "type": "integer",
+                                                            "format": "int64"
+                                                        }
+                                                    }
                                                 }
                                             }
                                         }
@@ -24511,7 +24429,7 @@
                         }
                     },
                     "400": {
-                        "description": "Updating description is not possible",
+                        "description": "Adding participant is not possible, e.g. when the user is banned or an email, phone number or federated user is added to a classified conversation (check error attribute of response for detail key)",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24541,9 +24459,18 @@
                                                                 "error": {
                                                                     "type": "string",
                                                                     "enum": [
-                                                                        "event",
-                                                                        "type",
-                                                                        "value"
+                                                                        "ban",
+                                                                        "classified",
+                                                                        "cloud-id",
+                                                                        "federation",
+                                                                        "moderator",
+                                                                        "new-participant",
+                                                                        "outgoing",
+                                                                        "reach-remote",
+                                                                        "room-type",
+                                                                        "sip",
+                                                                        "source",
+                                                                        "trusted-servers"
                                                                     ]
                                                                 }
                                                             }
@@ -24595,53 +24522,432 @@
                             }
                         }
                     },
-                    "403": {
-                        "description": "The Matrix account of the user can not change the topic of the Matrix room",
+                    "404": {
+                        "description": "User, group or other target to invite was not found",
                         "content": {
                             "application/json": {
                                 "schema": {
-                                    "type": "object",
-                                    "required": [
-                                        "ocs"
-                                    ],
-                                    "properties": {
-                                        "ocs": {
+                                    "anyOf": [
+                                        {
                                             "type": "object",
                                             "required": [
-                                                "meta",
-                                                "data"
+                                                "ocs"
                                             ],
                                             "properties": {
-                                                "meta": {
-                                                    "$ref": "#/components/schemas/OCSMeta"
-                                                },
-                                                "data": {
+                                                "ocs": {
                                                     "type": "object",
                                                     "required": [
-                                                        "error"
+                                                        "meta",
+                                                        "data"
                                                     ],
                                                     "properties": {
-                                                        "error": {
-                                                            "type": "string",
-                                                            "enum": [
-                                                                "account",
-                                                                "encrypted",
-                                                                "matrix",
-                                                                "message",
-                                                                "permission"
-                                                            ]
+                                                        "meta": {
+                                                            "$ref": "#/components/schemas/OCSMeta"
+                                                        },
+                                                        "data": {
+                                                            "type": "object",
+                                                            "required": [
+                                                                "error"
+                                                            ],
+                                                            "properties": {
+                                                                "error": {
+                                                                    "type": "string",
+                                                                    "enum": [
+                                                                        "ban",
+                                                                        "classified",
+                                                                        "cloud-id",
+                                                                        "federation",
+                                                                        "moderator",
+                                                                        "new-participant",
+                                                                        "outgoing",
+                                                                        "reach-remote",
+                                                                        "room-type",
+                                                                        "sip",
+                                                                        "source",
+                                                                        "trusted-servers"
+                                                                    ]
+                                                                }
+                                                            }
                                                         }
                                                     }
                                                 }
                                             }
-                                        }
-                                    }
-                                }
-                            }
+                                        },
+                                        {
+                                            "type": "object",
+                                            "required": [
+                                                "ocs"
+                                            ],
+                                            "properties": {
+                                                "ocs": {
+                                                    "type": "object",
+                                                    "required": [
+                                                        "meta",
+                                                        "data"
+                                                    ],
+                                                    "properties": {
+                                                        "meta": {
+                                                            "$ref": "#/components/schemas/OCSMeta"
+                                                        },
+                                                        "data": {
+                                                            "type": "object",
+                                                            "required": [
+                                                                "error"
+                                                            ],
+                                                            "properties": {
+                                                                "error": {
+                                                                    "type": "string",
+                                                                    "enum": [
+                                                                        "account",
+                                                                        "encrypted",
+                                                                        "matrix",
+                                                                        "message",
+                                                                        "permission"
+                                                                    ]
+                                                                }
+                                                            }
+                                                        }
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    ]
+                                }
+                            }
+                        }
+                    },
+                    "501": {
+                        "description": "SIP dial-out is not configured",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "ban",
+                                                                "classified",
+                                                                "cloud-id",
+                                                                "federation",
+                                                                "moderator",
+                                                                "new-participant",
+                                                                "outgoing",
+                                                                "reach-remote",
+                                                                "room-type",
+                                                                "sip",
+                                                                "source",
+                                                                "trusted-servers"
+                                                            ]
+                                                        }
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "403": {
+                        "description": "The Matrix account of the user can not invite to the Matrix room",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "account",
+                                                                "encrypted",
+                                                                "matrix",
+                                                                "message",
+                                                                "permission"
+                                                            ]
+                                                        }
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "502": {
+                        "description": "The Matrix homeserver rejected the invite or could not be reached",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "account",
+                                                                "encrypted",
+                                                                "matrix",
+                                                                "message",
+                                                                "permission"
+                                                            ]
+                                                        }
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "401": {
+                        "description": "Current user is not logged in",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {}
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        },
+        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/favorite": {
+            "post": {
+                "operationId": "room-add-to-favorites",
+                "summary": "Add a room to the favorites",
+                "tags": [
+                    "room"
+                ],
+                "security": [
+                    {
+                        "bearer_auth": []
+                    },
+                    {
+                        "basic_auth": []
+                    }
+                ],
+                "parameters": [
+                    {
+                        "name": "apiVersion",
+                        "in": "path",
+                        "required": true,
+                        "schema": {
+                            "type": "string",
+                            "enum": [
+                                "v4"
+                            ],
+                            "default": "v4"
+                        }
+                    },
+                    {
+                        "name": "token",
+                        "in": "path",
+                        "required": true,
+                        "schema": {
+                            "type": "string",
+                            "pattern": "^[a-z0-9]{4,30}$"
+                        }
+                    },
+                    {
+                        "name": "OCS-APIRequest",
+                        "in": "header",
+                        "description": "Required to be true for the API request to pass",
+                        "required": true,
+                        "schema": {
+                            "type": "boolean",
+                            "default": true
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "Successfully added room to favorites",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {
+                                                    "$ref": "#/components/schemas/Room"
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "401": {
+                        "description": "Current user is not logged in",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {}
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            },
+            "delete": {
+                "operationId": "room-remove-from-favorites",
+                "summary": "Remove a room from the favorites",
+                "tags": [
+                    "room"
+                ],
+                "security": [
+                    {
+                        "bearer_auth": []
+                    },
+                    {
+                        "basic_auth": []
+                    }
+                ],
+                "parameters": [
+                    {
+                        "name": "apiVersion",
+                        "in": "path",
+                        "required": true,
+                        "schema": {
+                            "type": "string",
+                            "enum": [
+                                "v4"
+                            ],
+                            "default": "v4"
+                        }
+                    },
+                    {
+                        "name": "token",
+                        "in": "path",
+                        "required": true,
+                        "schema": {
+                            "type": "string",
+                            "pattern": "^[a-z0-9]{4,30}$"
+                        }
+                    },
+                    {
+                        "name": "OCS-APIRequest",
+                        "in": "header",
+                        "description": "Required to be true for the API request to pass",
+                        "required": true,
+                        "schema": {
+                            "type": "boolean",
+                            "default": true
                         }
-                    },
-                    "404": {
-                        "description": "The Matrix room or the linked Matrix account of the user was not found",
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "Successfully removed room from favorites",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24661,22 +24967,7 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "type": "object",
-                                                    "required": [
-                                                        "error"
-                                                    ],
-                                                    "properties": {
-                                                        "error": {
-                                                            "type": "string",
-                                                            "enum": [
-                                                                "account",
-                                                                "encrypted",
-                                                                "matrix",
-                                                                "message",
-                                                                "permission"
-                                                            ]
-                                                        }
-                                                    }
+                                                    "$ref": "#/components/schemas/Room"
                                                 }
                                             }
                                         }
@@ -24685,8 +24976,8 @@
                             }
                         }
                     },
-                    "502": {
-                        "description": "The Matrix homeserver rejected the change or could not be reached",
+                    "401": {
+                        "description": "Current user is not logged in",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24705,24 +24996,7 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {
-                                                    "type": "object",
-                                                    "required": [
-                                                        "error"
-                                                    ],
-                                                    "properties": {
-                                                        "error": {
-                                                            "type": "string",
-                                                            "enum": [
-                                                                "account",
-                                                                "encrypted",
-                                                                "matrix",
-                                                                "message",
-                                                                "permission"
-                                                            ]
-                                                        }
-                                                    }
-                                                }
+                                                "data": {}
                                             }
                                         }
                                     }
@@ -24733,16 +25007,14 @@
                 }
             }
         },
-        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/object": {
-            "delete": {
-                "operationId": "room-unbind-room-from-object",
-                "summary": "Unbind a room from its object to prevent automatic retention",
-                "description": "Required capability: `unbind-conversation`",
+        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/notify": {
+            "post": {
+                "operationId": "room-set-notification-level",
+                "summary": "Update the notification level for a room",
                 "tags": [
                     "room"
                 ],
                 "security": [
-                    {},
                     {
                         "bearer_auth": []
                     },
@@ -24750,6 +25022,26 @@
                         "basic_auth": []
                     }
                 ],
+                "requestBody": {
+                    "required": true,
+                    "content": {
+                        "application/json": {
+                            "schema": {
+                                "type": "object",
+                                "required": [
+                                    "level"
+                                ],
+                                "properties": {
+                                    "level": {
+                                        "type": "integer",
+                                        "format": "int64",
+                                        "description": "New level"
+                                    }
+                                }
+                            }
+                        }
+                    }
+                },
                 "parameters": [
                     {
                         "name": "apiVersion",
@@ -24785,7 +25077,7 @@
                 ],
                 "responses": {
                     "200": {
-                        "description": "Room successfully unbound",
+                        "description": "Notification level updated successfully",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24815,7 +25107,7 @@
                         }
                     },
                     "400": {
-                        "description": "Unbinding room is not possible",
+                        "description": "Updating notification level is not possible",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24843,7 +25135,7 @@
                                                         "error": {
                                                             "type": "string",
                                                             "enum": [
-                                                                "object-type"
+                                                                "level"
                                                             ]
                                                         }
                                                     }
@@ -24854,19 +25146,46 @@
                                 }
                             }
                         }
+                    },
+                    "401": {
+                        "description": "Current user is not logged in",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {}
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
                     }
                 }
             }
         },
-        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/participants": {
-            "get": {
-                "operationId": "room-get-participants",
-                "summary": "Get a list of participants for a room",
+        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/notify-calls": {
+            "post": {
+                "operationId": "room-set-notification-calls",
+                "summary": "Update call notifications",
                 "tags": [
                     "room"
                 ],
                 "security": [
-                    {},
                     {
                         "bearer_auth": []
                     },
@@ -24874,6 +25193,26 @@
                         "basic_auth": []
                     }
                 ],
+                "requestBody": {
+                    "required": true,
+                    "content": {
+                        "application/json": {
+                            "schema": {
+                                "type": "object",
+                                "required": [
+                                    "level"
+                                ],
+                                "properties": {
+                                    "level": {
+                                        "type": "integer",
+                                        "format": "int64",
+                                        "description": "New level"
+                                    }
+                                }
+                            }
+                        }
+                    }
+                },
                 "parameters": [
                     {
                         "name": "apiVersion",
@@ -24896,23 +25235,6 @@
                             "pattern": "^[a-z0-9]{4,30}$"
                         }
                     },
-                    {
-                        "name": "includeStatus",
-                        "in": "query",
-                        "description": "Include the user statuses",
-                        "schema": {
-                            "type": "boolean",
-                            "default": false
-                        }
-                    },
-                    {
-                        "name": "x-nextcloud-federation",
-                        "in": "header",
-                        "description": "Set to 1 when the request is performed by another Nextcloud Server to indicate a federation request",
-                        "schema": {
-                            "type": "string"
-                        }
-                    },
                     {
                         "name": "OCS-APIRequest",
                         "in": "header",
@@ -24926,14 +25248,37 @@
                 ],
                 "responses": {
                     "200": {
-                        "description": "Participants returned",
-                        "headers": {
-                            "X-Nextcloud-Has-User-Statuses": {
+                        "description": "Call notification level updated successfully",
+                        "content": {
+                            "application/json": {
                                 "schema": {
-                                    "type": "boolean"
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {
+                                                    "$ref": "#/components/schemas/Room"
+                                                }
+                                            }
+                                        }
+                                    }
                                 }
                             }
-                        },
+                        }
+                    },
+                    "400": {
+                        "description": "Updating call notification level is not possible",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24953,9 +25298,17 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "type": "array",
-                                                    "items": {
-                                                        "$ref": "#/components/schemas/Participant"
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "level"
+                                                            ]
+                                                        }
                                                     }
                                                 }
                                             }
@@ -24965,8 +25318,8 @@
                             }
                         }
                     },
-                    "403": {
-                        "description": "Missing permissions for getting participants",
+                    "401": {
+                        "description": "Current user is not logged in",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24985,9 +25338,7 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {
-                                                    "nullable": true
-                                                }
+                                                "data": {}
                                             }
                                         }
                                     }
@@ -24996,14 +25347,17 @@
                         }
                     }
                 }
-            },
-            "post": {
-                "operationId": "room-add-participant-to-room",
-                "summary": "Add a participant to a room",
+            }
+        },
+        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/description": {
+            "put": {
+                "operationId": "room-set-description",
+                "summary": "Update the description of a room",
                 "tags": [
                     "room"
                 ],
                 "security": [
+                    {},
                     {
                         "bearer_auth": []
                     },
@@ -25013,31 +25367,17 @@
                 ],
                 "requestBody": {
                     "required": true,
-                    "content": {
-                        "application/json": {
-                            "schema": {
-                                "type": "object",
-                                "required": [
-                                    "newParticipant"
-                                ],
-                                "properties": {
-                                    "newParticipant": {
-                                        "type": "string",
-                                        "description": "New participant"
-                                    },
-                                    "source": {
-                                        "type": "string",
-                                        "default": "users",
-                                        "enum": [
-                                            "users",
-                                            "groups",
-                                            "circles",
-                                            "emails",
-                                            "federated_users",
-                                            "phones",
-                                            "teams"
-                                        ],
-                                        "description": "Source of the participant"
+                    "content": {
+                        "application/json": {
+                            "schema": {
+                                "type": "object",
+                                "required": [
+                                    "description"
+                                ],
+                                "properties": {
+                                    "description": {
+                                        "type": "string",
+                                        "description": "New description for the conversation (limited to 2.000 characters, was 500 before Talk 21)"
                                     }
                                 }
                             }
@@ -25079,7 +25419,7 @@
                 ],
                 "responses": {
                     "200": {
-                        "description": "Participant successfully added, in Matrix conversations the user is invited and added once they accepted",
+                        "description": "Description updated successfully",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -25099,13 +25439,7 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "type": "object",
-                                                    "properties": {
-                                                        "type": {
-                                                            "type": "integer",
-                                                            "format": "int64"
-                                                        }
-                                                    }
+                                                    "$ref": "#/components/schemas/Room"
                                                 }
                                             }
                                         }
@@ -25115,7 +25449,7 @@
                         }
                     },
                     "400": {
-                        "description": "Adding participant is not possible, e.g. when the user is banned or an email, phone number or federated user is added to a classified conversation (check error attribute of response for detail key)",
+                        "description": "Updating description is not possible",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -25145,18 +25479,9 @@
                                                                 "error": {
                                                                     "type": "string",
                                                                     "enum": [
-                                                                        "ban",
-                                                                        "classified",
-                                                                        "cloud-id",
-                                                                        "federation",
-                                                                        "moderator",
-                                                                        "new-participant",
-                                                                        "outgoing",
-                                                                        "reach-remote",
-                                                                        "room-type",
-                                                                        "sip",
-                                                                        "source",
-                                                                        "trusted-servers"
+                                                                        "event",
+                                                                        "type",
+                                                                        "value"
                                                                     ]
                                                                 }
                                                             }
@@ -25208,102 +25533,53 @@
                             }
                         }
                     },
-                    "404": {
-                        "description": "User, group or other target to invite was not found",
+                    "403": {
+                        "description": "The Matrix account of the user can not change the topic of the Matrix room",
                         "content": {
                             "application/json": {
                                 "schema": {
-                                    "anyOf": [
-                                        {
-                                            "type": "object",
-                                            "required": [
-                                                "ocs"
-                                            ],
-                                            "properties": {
-                                                "ocs": {
-                                                    "type": "object",
-                                                    "required": [
-                                                        "meta",
-                                                        "data"
-                                                    ],
-                                                    "properties": {
-                                                        "meta": {
-                                                            "$ref": "#/components/schemas/OCSMeta"
-                                                        },
-                                                        "data": {
-                                                            "type": "object",
-                                                            "required": [
-                                                                "error"
-                                                            ],
-                                                            "properties": {
-                                                                "error": {
-                                                                    "type": "string",
-                                                                    "enum": [
-                                                                        "ban",
-                                                                        "classified",
-                                                                        "cloud-id",
-                                                                        "federation",
-                                                                        "moderator",
-                                                                        "new-participant",
-                                                                        "outgoing",
-                                                                        "reach-remote",
-                                                                        "room-type",
-                                                                        "sip",
-                                                                        "source",
-                                                                        "trusted-servers"
-                                                                    ]
-                                                                }
-                                                            }
-                                                        }
-                                                    }
-                                                }
-                                            }
-                                        },
-                                        {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
                                             "type": "object",
                                             "required": [
-                                                "ocs"
+                                                "meta",
+                                                "data"
                                             ],
                                             "properties": {
-                                                "ocs": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {
                                                     "type": "object",
                                                     "required": [
-                                                        "meta",
-                                                        "data"
+                                                        "error"
                                                     ],
                                                     "properties": {
-                                                        "meta": {
-                                                            "$ref": "#/components/schemas/OCSMeta"
-                                                        },
-                                                        "data": {
-                                                            "type": "object",
-                                                            "required": [
-                                                                "error"
-                                                            ],
-                                                            "properties": {
-                                                                "error": {
-                                                                    "type": "string",
-                                                                    "enum": [
-                                                                        "account",
-                                                                        "encrypted",
-                                                                        "matrix",
-                                                                        "message",
-                                                                        "permission"
-                                                                    ]
-                                                                }
-                                                            }
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "account",
+                                                                "encrypted",
+                                                                "matrix",
+                                                                "message",
+                                                                "permission"
+                                                            ]
                                                         }
                                                     }
                                                 }
                                             }
                                         }
-                                    ]
+                                    }
                                 }
                             }
                         }
                     },
-                    "501": {
-                        "description": "SIP dial-out is not configured",
+                    "404": {
+                        "description": "The Matrix room or the linked Matrix account of the user was not found",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -25331,18 +25607,11 @@
                                                         "error": {
                                                             "type": "string",
                                                             "enum": [
-                                                                "ban",
-                                                                "classified",
-                                                                "cloud-id",
-                                                                "federation",
-                                                                "moderator",
-                                                                "new-participant",
-                                                                "outgoing",
-                                                                "reach-remote",
-                                                                "room-type",
-                                                                "sip",
-                                                                "source",
-                                                                "trusted-servers"
+                                                                "account",
+                                                                "encrypted",
+                                                                "matrix",
+                                                                "message",
+                                                                "permission"
                                                             ]
                                                         }
                                                     }
@@ -25354,8 +25623,8 @@
                             }
                         }
                     },
-                    "403": {
-                        "description": "The Matrix account of the user can not invite to the Matrix room",
+                    "502": {
+                        "description": "The Matrix homeserver rejected the change or could not be reached",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -25398,9 +25667,63 @@
                                 }
                             }
                         }
+                    }
+                }
+            }
+        },
+        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/object": {
+            "delete": {
+                "operationId": "room-unbind-room-from-object",
+                "summary": "Unbind a room from its object to prevent automatic retention",
+                "description": "Required capability: `unbind-conversation`",
+                "tags": [
+                    "room"
+                ],
+                "security": [
+                    {},
+                    {
+                        "bearer_auth": []
                     },
-                    "502": {
-                        "description": "The Matrix homeserver rejected the invite or could not be reached",
+                    {
+                        "basic_auth": []
+                    }
+                ],
+                "parameters": [
+                    {
+                        "name": "apiVersion",
+                        "in": "path",
+                        "required": true,
+                        "schema": {
+                            "type": "string",
+                            "enum": [
+                                "v4"
+                            ],
+                            "default": "v4"
+                        }
+                    },
+                    {
+                        "name": "token",
+                        "in": "path",
+                        "required": true,
+                        "schema": {
+                            "type": "string",
+                            "pattern": "^[a-z0-9]{4,30}$"
+                        }
+                    },
+                    {
+                        "name": "OCS-APIRequest",
+                        "in": "header",
+                        "description": "Required to be true for the API request to pass",
+                        "required": true,
+                        "schema": {
+                            "type": "boolean",
+                            "default": true
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "Room successfully unbound",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -25420,22 +25743,7 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "type": "object",
-                                                    "required": [
-                                                        "error"
-                                                    ],
-                                                    "properties": {
-                                                        "error": {
-                                                            "type": "string",
-                                                            "enum": [
-                                                                "account",
-                                                                "encrypted",
-                                                                "matrix",
-                                                                "message",
-                                                                "permission"
-                                                            ]
-                                                        }
-                                                    }
+                                                    "$ref": "#/components/schemas/Room"
                                                 }
                                             }
                                         }
@@ -25444,8 +25752,8 @@
                             }
                         }
                     },
-                    "401": {
-                        "description": "Current user is not logged in",
+                    "400": {
+                        "description": "Unbinding room is not possible",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -25464,7 +25772,20 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {}
+                                                "data": {
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "object-type"
+                                                            ]
+                                                        }
+                                                    }
+                                                }
                                             }
                                         }
                                     }
diff --git a/openapi.json b/openapi.json
index bd7c412f757..a3706ad4910 100644
--- a/openapi.json
+++ b/openapi.json
@@ -23726,14 +23726,16 @@
                 }
             }
         },
-        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/favorite": {
-            "post": {
-                "operationId": "room-add-to-favorites",
-                "summary": "Add a room to the favorites",
+        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/participants": {
+            "put": {
+                "operationId": "room-sync-participants",
+                "summary": "Synchronize the participants of a conversation with the given list",
+                "description": "Only available for the external call service. Participants missing from the list are removed (except owners), participants new in the list are added.",
                 "tags": [
                     "room"
                 ],
                 "security": [
+                    {},
                     {
                         "bearer_auth": []
                     },
@@ -23741,6 +23743,28 @@
                         "basic_auth": []
                     }
                 ],
+                "requestBody": {
+                    "required": false,
+                    "content": {
+                        "application/json": {
+                            "schema": {
+                                "type": "object",
+                                "properties": {
+                                    "participants": {
+                                        "$ref": "#/components/schemas/InvitationList",
+                                        "default": [],
+                                        "description": "List of participants the conversation should have grouped by type"
+                                    },
+                                    "owner": {
+                                        "type": "string",
+                                        "default": "",
+                                        "description": "User ID of an owner of the conversation that will be used as actor"
+                                    }
+                                }
+                            }
+                        }
+                    }
+                },
                 "parameters": [
                     {
                         "name": "apiVersion",
@@ -23757,12 +23781,29 @@
                     {
                         "name": "token",
                         "in": "path",
+                        "description": "Token of the room",
                         "required": true,
                         "schema": {
                             "type": "string",
                             "pattern": "^[a-z0-9]{4,30}$"
                         }
                     },
+                    {
+                        "name": "x-nextcloud-talk-external-service-random",
+                        "in": "header",
+                        "description": "Random seed (at least 32 bytes) used together with the owner user ID to generate the SHA256-HMAC request checksum",
+                        "schema": {
+                            "type": "string"
+                        }
+                    },
+                    {
+                        "name": "x-nextcloud-talk-external-service-checksum",
+                        "in": "header",
+                        "description": "SHA256-HMAC checksum over the concatenation of the random seed and the owner user ID, signed with the shared external call service secret, to verify authenticity from the external call service",
+                        "schema": {
+                            "type": "string"
+                        }
+                    },
                     {
                         "name": "OCS-APIRequest",
                         "in": "header",
@@ -23776,7 +23817,7 @@
                 ],
                 "responses": {
                     "200": {
-                        "description": "Successfully added room to favorites",
+                        "description": "Participants synchronized successfully",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -23805,8 +23846,8 @@
                             }
                         }
                     },
-                    "401": {
-                        "description": "Current user is not logged in",
+                    "202": {
+                        "description": "Participants synchronized but not all participants could be added",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -23825,66 +23866,18 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {}
+                                                "data": {
+                                                    "$ref": "#/components/schemas/RoomWithInvalidInvitations"
+                                                }
                                             }
                                         }
                                     }
                                 }
                             }
                         }
-                    }
-                }
-            },
-            "delete": {
-                "operationId": "room-remove-from-favorites",
-                "summary": "Remove a room from the favorites",
-                "tags": [
-                    "room"
-                ],
-                "security": [
-                    {
-                        "bearer_auth": []
-                    },
-                    {
-                        "basic_auth": []
-                    }
-                ],
-                "parameters": [
-                    {
-                        "name": "apiVersion",
-                        "in": "path",
-                        "required": true,
-                        "schema": {
-                            "type": "string",
-                            "enum": [
-                                "v4"
-                            ],
-                            "default": "v4"
-                        }
-                    },
-                    {
-                        "name": "token",
-                        "in": "path",
-                        "required": true,
-                        "schema": {
-                            "type": "string",
-                            "pattern": "^[a-z0-9]{4,30}$"
-                        }
                     },
-                    {
-                        "name": "OCS-APIRequest",
-                        "in": "header",
-                        "description": "Required to be true for the API request to pass",
-                        "required": true,
-                        "schema": {
-                            "type": "boolean",
-                            "default": true
-                        }
-                    }
-                ],
-                "responses": {
-                    "200": {
-                        "description": "Successfully removed room from favorites",
+                    "400": {
+                        "description": "Room is not an external call service conversation",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -23904,7 +23897,20 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "$ref": "#/components/schemas/Room"
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "owner",
+                                                                "room",
+                                                                "room-type"
+                                                            ]
+                                                        }
+                                                    }
                                                 }
                                             }
                                         }
@@ -23913,8 +23919,8 @@
                             }
                         }
                     },
-                    "401": {
-                        "description": "Current user is not logged in",
+                    "403": {
+                        "description": "Owner is not an owner of the conversation",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -23933,88 +23939,31 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {}
+                                                "data": {
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "owner",
+                                                                "room",
+                                                                "room-type"
+                                                            ]
+                                                        }
+                                                    }
+                                                }
                                             }
                                         }
                                     }
                                 }
                             }
                         }
-                    }
-                }
-            }
-        },
-        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/notify": {
-            "post": {
-                "operationId": "room-set-notification-level",
-                "summary": "Update the notification level for a room",
-                "tags": [
-                    "room"
-                ],
-                "security": [
-                    {
-                        "bearer_auth": []
-                    },
-                    {
-                        "basic_auth": []
-                    }
-                ],
-                "requestBody": {
-                    "required": true,
-                    "content": {
-                        "application/json": {
-                            "schema": {
-                                "type": "object",
-                                "required": [
-                                    "level"
-                                ],
-                                "properties": {
-                                    "level": {
-                                        "type": "integer",
-                                        "format": "int64",
-                                        "description": "New level"
-                                    }
-                                }
-                            }
-                        }
-                    }
-                },
-                "parameters": [
-                    {
-                        "name": "apiVersion",
-                        "in": "path",
-                        "required": true,
-                        "schema": {
-                            "type": "string",
-                            "enum": [
-                                "v4"
-                            ],
-                            "default": "v4"
-                        }
-                    },
-                    {
-                        "name": "token",
-                        "in": "path",
-                        "required": true,
-                        "schema": {
-                            "type": "string",
-                            "pattern": "^[a-z0-9]{4,30}$"
-                        }
                     },
-                    {
-                        "name": "OCS-APIRequest",
-                        "in": "header",
-                        "description": "Required to be true for the API request to pass",
-                        "required": true,
-                        "schema": {
-                            "type": "boolean",
-                            "default": true
-                        }
-                    }
-                ],
-                "responses": {
-                    "200": {
-                        "description": "Notification level updated successfully",
+                    "404": {
+                        "description": "Room or owner not found",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24034,7 +23983,20 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "$ref": "#/components/schemas/Room"
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "owner",
+                                                                "room",
+                                                                "room-type"
+                                                            ]
+                                                        }
+                                                    }
                                                 }
                                             }
                                         }
@@ -24043,8 +24005,8 @@
                             }
                         }
                     },
-                    "400": {
-                        "description": "Updating notification level is not possible",
+                    "401": {
+                        "description": "Invalid external call service secret",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24072,7 +24034,7 @@
                                                         "error": {
                                                             "type": "string",
                                                             "enum": [
-                                                                "level"
+                                                                "auth"
                                                             ]
                                                         }
                                                     }
@@ -24083,73 +24045,24 @@
                                 }
                             }
                         }
-                    },
-                    "401": {
-                        "description": "Current user is not logged in",
-                        "content": {
-                            "application/json": {
-                                "schema": {
-                                    "type": "object",
-                                    "required": [
-                                        "ocs"
-                                    ],
-                                    "properties": {
-                                        "ocs": {
-                                            "type": "object",
-                                            "required": [
-                                                "meta",
-                                                "data"
-                                            ],
-                                            "properties": {
-                                                "meta": {
-                                                    "$ref": "#/components/schemas/OCSMeta"
-                                                },
-                                                "data": {}
-                                            }
-                                        }
-                                    }
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        },
-        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/notify-calls": {
-            "post": {
-                "operationId": "room-set-notification-calls",
-                "summary": "Update call notifications",
-                "tags": [
-                    "room"
-                ],
-                "security": [
-                    {
-                        "bearer_auth": []
+                    }
+                }
+            },
+            "get": {
+                "operationId": "room-get-participants",
+                "summary": "Get a list of participants for a room",
+                "tags": [
+                    "room"
+                ],
+                "security": [
+                    {},
+                    {
+                        "bearer_auth": []
                     },
                     {
                         "basic_auth": []
                     }
                 ],
-                "requestBody": {
-                    "required": true,
-                    "content": {
-                        "application/json": {
-                            "schema": {
-                                "type": "object",
-                                "required": [
-                                    "level"
-                                ],
-                                "properties": {
-                                    "level": {
-                                        "type": "integer",
-                                        "format": "int64",
-                                        "description": "New level"
-                                    }
-                                }
-                            }
-                        }
-                    }
-                },
                 "parameters": [
                     {
                         "name": "apiVersion",
@@ -24172,6 +24085,23 @@
                             "pattern": "^[a-z0-9]{4,30}$"
                         }
                     },
+                    {
+                        "name": "includeStatus",
+                        "in": "query",
+                        "description": "Include the user statuses",
+                        "schema": {
+                            "type": "boolean",
+                            "default": false
+                        }
+                    },
+                    {
+                        "name": "x-nextcloud-federation",
+                        "in": "header",
+                        "description": "Set to 1 when the request is performed by another Nextcloud Server to indicate a federation request",
+                        "schema": {
+                            "type": "string"
+                        }
+                    },
                     {
                         "name": "OCS-APIRequest",
                         "in": "header",
@@ -24185,37 +24115,14 @@
                 ],
                 "responses": {
                     "200": {
-                        "description": "Call notification level updated successfully",
-                        "content": {
-                            "application/json": {
+                        "description": "Participants returned",
+                        "headers": {
+                            "X-Nextcloud-Has-User-Statuses": {
                                 "schema": {
-                                    "type": "object",
-                                    "required": [
-                                        "ocs"
-                                    ],
-                                    "properties": {
-                                        "ocs": {
-                                            "type": "object",
-                                            "required": [
-                                                "meta",
-                                                "data"
-                                            ],
-                                            "properties": {
-                                                "meta": {
-                                                    "$ref": "#/components/schemas/OCSMeta"
-                                                },
-                                                "data": {
-                                                    "$ref": "#/components/schemas/Room"
-                                                }
-                                            }
-                                        }
-                                    }
+                                    "type": "boolean"
                                 }
                             }
-                        }
-                    },
-                    "400": {
-                        "description": "Updating call notification level is not possible",
+                        },
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24235,17 +24142,9 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "type": "object",
-                                                    "required": [
-                                                        "error"
-                                                    ],
-                                                    "properties": {
-                                                        "error": {
-                                                            "type": "string",
-                                                            "enum": [
-                                                                "level"
-                                                            ]
-                                                        }
+                                                    "type": "array",
+                                                    "items": {
+                                                        "$ref": "#/components/schemas/Participant"
                                                     }
                                                 }
                                             }
@@ -24255,8 +24154,8 @@
                             }
                         }
                     },
-                    "401": {
-                        "description": "Current user is not logged in",
+                    "403": {
+                        "description": "Missing permissions for getting participants",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24275,7 +24174,9 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {}
+                                                "data": {
+                                                    "nullable": true
+                                                }
                                             }
                                         }
                                     }
@@ -24284,17 +24185,14 @@
                         }
                     }
                 }
-            }
-        },
-        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/description": {
-            "put": {
-                "operationId": "room-set-description",
-                "summary": "Update the description of a room",
+            },
+            "post": {
+                "operationId": "room-add-participant-to-room",
+                "summary": "Add a participant to a room",
                 "tags": [
                     "room"
                 ],
                 "security": [
-                    {},
                     {
                         "bearer_auth": []
                     },
@@ -24309,12 +24207,26 @@
                             "schema": {
                                 "type": "object",
                                 "required": [
-                                    "description"
+                                    "newParticipant"
                                 ],
                                 "properties": {
-                                    "description": {
+                                    "newParticipant": {
                                         "type": "string",
-                                        "description": "New description for the conversation (limited to 2.000 characters, was 500 before Talk 21)"
+                                        "description": "New participant"
+                                    },
+                                    "source": {
+                                        "type": "string",
+                                        "default": "users",
+                                        "enum": [
+                                            "users",
+                                            "groups",
+                                            "circles",
+                                            "emails",
+                                            "federated_users",
+                                            "phones",
+                                            "teams"
+                                        ],
+                                        "description": "Source of the participant"
                                     }
                                 }
                             }
@@ -24356,7 +24268,7 @@
                 ],
                 "responses": {
                     "200": {
-                        "description": "Description updated successfully",
+                        "description": "Participant successfully added, in Matrix conversations the user is invited and added once they accepted",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24376,7 +24288,13 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "$ref": "#/components/schemas/Room"
+                                                    "type": "object",
+                                                    "properties": {
+                                                        "type": {
+                                                            "type": "integer",
+                                                            "format": "int64"
+                                                        }
+                                                    }
                                                 }
                                             }
                                         }
@@ -24386,7 +24304,7 @@
                         }
                     },
                     "400": {
-                        "description": "Updating description is not possible",
+                        "description": "Adding participant is not possible, e.g. when the user is banned or an email, phone number or federated user is added to a classified conversation (check error attribute of response for detail key)",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24416,9 +24334,18 @@
                                                                 "error": {
                                                                     "type": "string",
                                                                     "enum": [
-                                                                        "event",
-                                                                        "type",
-                                                                        "value"
+                                                                        "ban",
+                                                                        "classified",
+                                                                        "cloud-id",
+                                                                        "federation",
+                                                                        "moderator",
+                                                                        "new-participant",
+                                                                        "outgoing",
+                                                                        "reach-remote",
+                                                                        "room-type",
+                                                                        "sip",
+                                                                        "source",
+                                                                        "trusted-servers"
                                                                     ]
                                                                 }
                                                             }
@@ -24470,53 +24397,432 @@
                             }
                         }
                     },
-                    "403": {
-                        "description": "The Matrix account of the user can not change the topic of the Matrix room",
+                    "404": {
+                        "description": "User, group or other target to invite was not found",
                         "content": {
                             "application/json": {
                                 "schema": {
-                                    "type": "object",
-                                    "required": [
-                                        "ocs"
-                                    ],
-                                    "properties": {
-                                        "ocs": {
+                                    "anyOf": [
+                                        {
                                             "type": "object",
                                             "required": [
-                                                "meta",
-                                                "data"
+                                                "ocs"
                                             ],
                                             "properties": {
-                                                "meta": {
-                                                    "$ref": "#/components/schemas/OCSMeta"
-                                                },
-                                                "data": {
+                                                "ocs": {
                                                     "type": "object",
                                                     "required": [
-                                                        "error"
+                                                        "meta",
+                                                        "data"
                                                     ],
                                                     "properties": {
-                                                        "error": {
-                                                            "type": "string",
-                                                            "enum": [
-                                                                "account",
-                                                                "encrypted",
-                                                                "matrix",
-                                                                "message",
-                                                                "permission"
-                                                            ]
+                                                        "meta": {
+                                                            "$ref": "#/components/schemas/OCSMeta"
+                                                        },
+                                                        "data": {
+                                                            "type": "object",
+                                                            "required": [
+                                                                "error"
+                                                            ],
+                                                            "properties": {
+                                                                "error": {
+                                                                    "type": "string",
+                                                                    "enum": [
+                                                                        "ban",
+                                                                        "classified",
+                                                                        "cloud-id",
+                                                                        "federation",
+                                                                        "moderator",
+                                                                        "new-participant",
+                                                                        "outgoing",
+                                                                        "reach-remote",
+                                                                        "room-type",
+                                                                        "sip",
+                                                                        "source",
+                                                                        "trusted-servers"
+                                                                    ]
+                                                                }
+                                                            }
                                                         }
                                                     }
                                                 }
                                             }
-                                        }
-                                    }
-                                }
-                            }
+                                        },
+                                        {
+                                            "type": "object",
+                                            "required": [
+                                                "ocs"
+                                            ],
+                                            "properties": {
+                                                "ocs": {
+                                                    "type": "object",
+                                                    "required": [
+                                                        "meta",
+                                                        "data"
+                                                    ],
+                                                    "properties": {
+                                                        "meta": {
+                                                            "$ref": "#/components/schemas/OCSMeta"
+                                                        },
+                                                        "data": {
+                                                            "type": "object",
+                                                            "required": [
+                                                                "error"
+                                                            ],
+                                                            "properties": {
+                                                                "error": {
+                                                                    "type": "string",
+                                                                    "enum": [
+                                                                        "account",
+                                                                        "encrypted",
+                                                                        "matrix",
+                                                                        "message",
+                                                                        "permission"
+                                                                    ]
+                                                                }
+                                                            }
+                                                        }
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    ]
+                                }
+                            }
+                        }
+                    },
+                    "501": {
+                        "description": "SIP dial-out is not configured",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "ban",
+                                                                "classified",
+                                                                "cloud-id",
+                                                                "federation",
+                                                                "moderator",
+                                                                "new-participant",
+                                                                "outgoing",
+                                                                "reach-remote",
+                                                                "room-type",
+                                                                "sip",
+                                                                "source",
+                                                                "trusted-servers"
+                                                            ]
+                                                        }
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "403": {
+                        "description": "The Matrix account of the user can not invite to the Matrix room",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "account",
+                                                                "encrypted",
+                                                                "matrix",
+                                                                "message",
+                                                                "permission"
+                                                            ]
+                                                        }
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "502": {
+                        "description": "The Matrix homeserver rejected the invite or could not be reached",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "account",
+                                                                "encrypted",
+                                                                "matrix",
+                                                                "message",
+                                                                "permission"
+                                                            ]
+                                                        }
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "401": {
+                        "description": "Current user is not logged in",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {}
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        },
+        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/favorite": {
+            "post": {
+                "operationId": "room-add-to-favorites",
+                "summary": "Add a room to the favorites",
+                "tags": [
+                    "room"
+                ],
+                "security": [
+                    {
+                        "bearer_auth": []
+                    },
+                    {
+                        "basic_auth": []
+                    }
+                ],
+                "parameters": [
+                    {
+                        "name": "apiVersion",
+                        "in": "path",
+                        "required": true,
+                        "schema": {
+                            "type": "string",
+                            "enum": [
+                                "v4"
+                            ],
+                            "default": "v4"
+                        }
+                    },
+                    {
+                        "name": "token",
+                        "in": "path",
+                        "required": true,
+                        "schema": {
+                            "type": "string",
+                            "pattern": "^[a-z0-9]{4,30}$"
+                        }
+                    },
+                    {
+                        "name": "OCS-APIRequest",
+                        "in": "header",
+                        "description": "Required to be true for the API request to pass",
+                        "required": true,
+                        "schema": {
+                            "type": "boolean",
+                            "default": true
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "Successfully added room to favorites",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {
+                                                    "$ref": "#/components/schemas/Room"
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "401": {
+                        "description": "Current user is not logged in",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {}
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            },
+            "delete": {
+                "operationId": "room-remove-from-favorites",
+                "summary": "Remove a room from the favorites",
+                "tags": [
+                    "room"
+                ],
+                "security": [
+                    {
+                        "bearer_auth": []
+                    },
+                    {
+                        "basic_auth": []
+                    }
+                ],
+                "parameters": [
+                    {
+                        "name": "apiVersion",
+                        "in": "path",
+                        "required": true,
+                        "schema": {
+                            "type": "string",
+                            "enum": [
+                                "v4"
+                            ],
+                            "default": "v4"
+                        }
+                    },
+                    {
+                        "name": "token",
+                        "in": "path",
+                        "required": true,
+                        "schema": {
+                            "type": "string",
+                            "pattern": "^[a-z0-9]{4,30}$"
+                        }
+                    },
+                    {
+                        "name": "OCS-APIRequest",
+                        "in": "header",
+                        "description": "Required to be true for the API request to pass",
+                        "required": true,
+                        "schema": {
+                            "type": "boolean",
+                            "default": true
                         }
-                    },
-                    "404": {
-                        "description": "The Matrix room or the linked Matrix account of the user was not found",
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "Successfully removed room from favorites",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24536,22 +24842,7 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "type": "object",
-                                                    "required": [
-                                                        "error"
-                                                    ],
-                                                    "properties": {
-                                                        "error": {
-                                                            "type": "string",
-                                                            "enum": [
-                                                                "account",
-                                                                "encrypted",
-                                                                "matrix",
-                                                                "message",
-                                                                "permission"
-                                                            ]
-                                                        }
-                                                    }
+                                                    "$ref": "#/components/schemas/Room"
                                                 }
                                             }
                                         }
@@ -24560,8 +24851,8 @@
                             }
                         }
                     },
-                    "502": {
-                        "description": "The Matrix homeserver rejected the change or could not be reached",
+                    "401": {
+                        "description": "Current user is not logged in",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24580,24 +24871,7 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {
-                                                    "type": "object",
-                                                    "required": [
-                                                        "error"
-                                                    ],
-                                                    "properties": {
-                                                        "error": {
-                                                            "type": "string",
-                                                            "enum": [
-                                                                "account",
-                                                                "encrypted",
-                                                                "matrix",
-                                                                "message",
-                                                                "permission"
-                                                            ]
-                                                        }
-                                                    }
-                                                }
+                                                "data": {}
                                             }
                                         }
                                     }
@@ -24608,16 +24882,14 @@
                 }
             }
         },
-        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/object": {
-            "delete": {
-                "operationId": "room-unbind-room-from-object",
-                "summary": "Unbind a room from its object to prevent automatic retention",
-                "description": "Required capability: `unbind-conversation`",
+        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/notify": {
+            "post": {
+                "operationId": "room-set-notification-level",
+                "summary": "Update the notification level for a room",
                 "tags": [
                     "room"
                 ],
                 "security": [
-                    {},
                     {
                         "bearer_auth": []
                     },
@@ -24625,6 +24897,26 @@
                         "basic_auth": []
                     }
                 ],
+                "requestBody": {
+                    "required": true,
+                    "content": {
+                        "application/json": {
+                            "schema": {
+                                "type": "object",
+                                "required": [
+                                    "level"
+                                ],
+                                "properties": {
+                                    "level": {
+                                        "type": "integer",
+                                        "format": "int64",
+                                        "description": "New level"
+                                    }
+                                }
+                            }
+                        }
+                    }
+                },
                 "parameters": [
                     {
                         "name": "apiVersion",
@@ -24660,7 +24952,7 @@
                 ],
                 "responses": {
                     "200": {
-                        "description": "Room successfully unbound",
+                        "description": "Notification level updated successfully",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24690,7 +24982,7 @@
                         }
                     },
                     "400": {
-                        "description": "Unbinding room is not possible",
+                        "description": "Updating notification level is not possible",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24718,7 +25010,7 @@
                                                         "error": {
                                                             "type": "string",
                                                             "enum": [
-                                                                "object-type"
+                                                                "level"
                                                             ]
                                                         }
                                                     }
@@ -24729,19 +25021,46 @@
                                 }
                             }
                         }
+                    },
+                    "401": {
+                        "description": "Current user is not logged in",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {}
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
                     }
                 }
             }
         },
-        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/participants": {
-            "get": {
-                "operationId": "room-get-participants",
-                "summary": "Get a list of participants for a room",
+        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/notify-calls": {
+            "post": {
+                "operationId": "room-set-notification-calls",
+                "summary": "Update call notifications",
                 "tags": [
                     "room"
                 ],
                 "security": [
-                    {},
                     {
                         "bearer_auth": []
                     },
@@ -24749,6 +25068,26 @@
                         "basic_auth": []
                     }
                 ],
+                "requestBody": {
+                    "required": true,
+                    "content": {
+                        "application/json": {
+                            "schema": {
+                                "type": "object",
+                                "required": [
+                                    "level"
+                                ],
+                                "properties": {
+                                    "level": {
+                                        "type": "integer",
+                                        "format": "int64",
+                                        "description": "New level"
+                                    }
+                                }
+                            }
+                        }
+                    }
+                },
                 "parameters": [
                     {
                         "name": "apiVersion",
@@ -24771,23 +25110,6 @@
                             "pattern": "^[a-z0-9]{4,30}$"
                         }
                     },
-                    {
-                        "name": "includeStatus",
-                        "in": "query",
-                        "description": "Include the user statuses",
-                        "schema": {
-                            "type": "boolean",
-                            "default": false
-                        }
-                    },
-                    {
-                        "name": "x-nextcloud-federation",
-                        "in": "header",
-                        "description": "Set to 1 when the request is performed by another Nextcloud Server to indicate a federation request",
-                        "schema": {
-                            "type": "string"
-                        }
-                    },
                     {
                         "name": "OCS-APIRequest",
                         "in": "header",
@@ -24801,14 +25123,37 @@
                 ],
                 "responses": {
                     "200": {
-                        "description": "Participants returned",
-                        "headers": {
-                            "X-Nextcloud-Has-User-Statuses": {
+                        "description": "Call notification level updated successfully",
+                        "content": {
+                            "application/json": {
                                 "schema": {
-                                    "type": "boolean"
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {
+                                                    "$ref": "#/components/schemas/Room"
+                                                }
+                                            }
+                                        }
+                                    }
                                 }
                             }
-                        },
+                        }
+                    },
+                    "400": {
+                        "description": "Updating call notification level is not possible",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24828,9 +25173,17 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "type": "array",
-                                                    "items": {
-                                                        "$ref": "#/components/schemas/Participant"
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "level"
+                                                            ]
+                                                        }
                                                     }
                                                 }
                                             }
@@ -24840,8 +25193,8 @@
                             }
                         }
                     },
-                    "403": {
-                        "description": "Missing permissions for getting participants",
+                    "401": {
+                        "description": "Current user is not logged in",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24860,9 +25213,7 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {
-                                                    "nullable": true
-                                                }
+                                                "data": {}
                                             }
                                         }
                                     }
@@ -24871,14 +25222,17 @@
                         }
                     }
                 }
-            },
-            "post": {
-                "operationId": "room-add-participant-to-room",
-                "summary": "Add a participant to a room",
+            }
+        },
+        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/description": {
+            "put": {
+                "operationId": "room-set-description",
+                "summary": "Update the description of a room",
                 "tags": [
                     "room"
                 ],
                 "security": [
+                    {},
                     {
                         "bearer_auth": []
                     },
@@ -24888,31 +25242,17 @@
                 ],
                 "requestBody": {
                     "required": true,
-                    "content": {
-                        "application/json": {
-                            "schema": {
-                                "type": "object",
-                                "required": [
-                                    "newParticipant"
-                                ],
-                                "properties": {
-                                    "newParticipant": {
-                                        "type": "string",
-                                        "description": "New participant"
-                                    },
-                                    "source": {
-                                        "type": "string",
-                                        "default": "users",
-                                        "enum": [
-                                            "users",
-                                            "groups",
-                                            "circles",
-                                            "emails",
-                                            "federated_users",
-                                            "phones",
-                                            "teams"
-                                        ],
-                                        "description": "Source of the participant"
+                    "content": {
+                        "application/json": {
+                            "schema": {
+                                "type": "object",
+                                "required": [
+                                    "description"
+                                ],
+                                "properties": {
+                                    "description": {
+                                        "type": "string",
+                                        "description": "New description for the conversation (limited to 2.000 characters, was 500 before Talk 21)"
                                     }
                                 }
                             }
@@ -24954,7 +25294,7 @@
                 ],
                 "responses": {
                     "200": {
-                        "description": "Participant successfully added, in Matrix conversations the user is invited and added once they accepted",
+                        "description": "Description updated successfully",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -24974,13 +25314,7 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "type": "object",
-                                                    "properties": {
-                                                        "type": {
-                                                            "type": "integer",
-                                                            "format": "int64"
-                                                        }
-                                                    }
+                                                    "$ref": "#/components/schemas/Room"
                                                 }
                                             }
                                         }
@@ -24990,7 +25324,7 @@
                         }
                     },
                     "400": {
-                        "description": "Adding participant is not possible, e.g. when the user is banned or an email, phone number or federated user is added to a classified conversation (check error attribute of response for detail key)",
+                        "description": "Updating description is not possible",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -25020,18 +25354,9 @@
                                                                 "error": {
                                                                     "type": "string",
                                                                     "enum": [
-                                                                        "ban",
-                                                                        "classified",
-                                                                        "cloud-id",
-                                                                        "federation",
-                                                                        "moderator",
-                                                                        "new-participant",
-                                                                        "outgoing",
-                                                                        "reach-remote",
-                                                                        "room-type",
-                                                                        "sip",
-                                                                        "source",
-                                                                        "trusted-servers"
+                                                                        "event",
+                                                                        "type",
+                                                                        "value"
                                                                     ]
                                                                 }
                                                             }
@@ -25083,102 +25408,53 @@
                             }
                         }
                     },
-                    "404": {
-                        "description": "User, group or other target to invite was not found",
+                    "403": {
+                        "description": "The Matrix account of the user can not change the topic of the Matrix room",
                         "content": {
                             "application/json": {
                                 "schema": {
-                                    "anyOf": [
-                                        {
-                                            "type": "object",
-                                            "required": [
-                                                "ocs"
-                                            ],
-                                            "properties": {
-                                                "ocs": {
-                                                    "type": "object",
-                                                    "required": [
-                                                        "meta",
-                                                        "data"
-                                                    ],
-                                                    "properties": {
-                                                        "meta": {
-                                                            "$ref": "#/components/schemas/OCSMeta"
-                                                        },
-                                                        "data": {
-                                                            "type": "object",
-                                                            "required": [
-                                                                "error"
-                                                            ],
-                                                            "properties": {
-                                                                "error": {
-                                                                    "type": "string",
-                                                                    "enum": [
-                                                                        "ban",
-                                                                        "classified",
-                                                                        "cloud-id",
-                                                                        "federation",
-                                                                        "moderator",
-                                                                        "new-participant",
-                                                                        "outgoing",
-                                                                        "reach-remote",
-                                                                        "room-type",
-                                                                        "sip",
-                                                                        "source",
-                                                                        "trusted-servers"
-                                                                    ]
-                                                                }
-                                                            }
-                                                        }
-                                                    }
-                                                }
-                                            }
-                                        },
-                                        {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
                                             "type": "object",
                                             "required": [
-                                                "ocs"
+                                                "meta",
+                                                "data"
                                             ],
                                             "properties": {
-                                                "ocs": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {
                                                     "type": "object",
                                                     "required": [
-                                                        "meta",
-                                                        "data"
+                                                        "error"
                                                     ],
                                                     "properties": {
-                                                        "meta": {
-                                                            "$ref": "#/components/schemas/OCSMeta"
-                                                        },
-                                                        "data": {
-                                                            "type": "object",
-                                                            "required": [
-                                                                "error"
-                                                            ],
-                                                            "properties": {
-                                                                "error": {
-                                                                    "type": "string",
-                                                                    "enum": [
-                                                                        "account",
-                                                                        "encrypted",
-                                                                        "matrix",
-                                                                        "message",
-                                                                        "permission"
-                                                                    ]
-                                                                }
-                                                            }
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "account",
+                                                                "encrypted",
+                                                                "matrix",
+                                                                "message",
+                                                                "permission"
+                                                            ]
                                                         }
                                                     }
                                                 }
                                             }
                                         }
-                                    ]
+                                    }
                                 }
                             }
                         }
                     },
-                    "501": {
-                        "description": "SIP dial-out is not configured",
+                    "404": {
+                        "description": "The Matrix room or the linked Matrix account of the user was not found",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -25206,18 +25482,11 @@
                                                         "error": {
                                                             "type": "string",
                                                             "enum": [
-                                                                "ban",
-                                                                "classified",
-                                                                "cloud-id",
-                                                                "federation",
-                                                                "moderator",
-                                                                "new-participant",
-                                                                "outgoing",
-                                                                "reach-remote",
-                                                                "room-type",
-                                                                "sip",
-                                                                "source",
-                                                                "trusted-servers"
+                                                                "account",
+                                                                "encrypted",
+                                                                "matrix",
+                                                                "message",
+                                                                "permission"
                                                             ]
                                                         }
                                                     }
@@ -25229,8 +25498,8 @@
                             }
                         }
                     },
-                    "403": {
-                        "description": "The Matrix account of the user can not invite to the Matrix room",
+                    "502": {
+                        "description": "The Matrix homeserver rejected the change or could not be reached",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -25273,9 +25542,63 @@
                                 }
                             }
                         }
+                    }
+                }
+            }
+        },
+        "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/object": {
+            "delete": {
+                "operationId": "room-unbind-room-from-object",
+                "summary": "Unbind a room from its object to prevent automatic retention",
+                "description": "Required capability: `unbind-conversation`",
+                "tags": [
+                    "room"
+                ],
+                "security": [
+                    {},
+                    {
+                        "bearer_auth": []
                     },
-                    "502": {
-                        "description": "The Matrix homeserver rejected the invite or could not be reached",
+                    {
+                        "basic_auth": []
+                    }
+                ],
+                "parameters": [
+                    {
+                        "name": "apiVersion",
+                        "in": "path",
+                        "required": true,
+                        "schema": {
+                            "type": "string",
+                            "enum": [
+                                "v4"
+                            ],
+                            "default": "v4"
+                        }
+                    },
+                    {
+                        "name": "token",
+                        "in": "path",
+                        "required": true,
+                        "schema": {
+                            "type": "string",
+                            "pattern": "^[a-z0-9]{4,30}$"
+                        }
+                    },
+                    {
+                        "name": "OCS-APIRequest",
+                        "in": "header",
+                        "description": "Required to be true for the API request to pass",
+                        "required": true,
+                        "schema": {
+                            "type": "boolean",
+                            "default": true
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "Room successfully unbound",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -25295,22 +25618,7 @@
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
                                                 "data": {
-                                                    "type": "object",
-                                                    "required": [
-                                                        "error"
-                                                    ],
-                                                    "properties": {
-                                                        "error": {
-                                                            "type": "string",
-                                                            "enum": [
-                                                                "account",
-                                                                "encrypted",
-                                                                "matrix",
-                                                                "message",
-                                                                "permission"
-                                                            ]
-                                                        }
-                                                    }
+                                                    "$ref": "#/components/schemas/Room"
                                                 }
                                             }
                                         }
@@ -25319,8 +25627,8 @@
                             }
                         }
                     },
-                    "401": {
-                        "description": "Current user is not logged in",
+                    "400": {
+                        "description": "Unbinding room is not possible",
                         "content": {
                             "application/json": {
                                 "schema": {
@@ -25339,7 +25647,20 @@
                                                 "meta": {
                                                     "$ref": "#/components/schemas/OCSMeta"
                                                 },
-                                                "data": {}
+                                                "data": {
+                                                    "type": "object",
+                                                    "required": [
+                                                        "error"
+                                                    ],
+                                                    "properties": {
+                                                        "error": {
+                                                            "type": "string",
+                                                            "enum": [
+                                                                "object-type"
+                                                            ]
+                                                        }
+                                                    }
+                                                }
                                             }
                                         }
                                     }
diff --git a/src/types/openapi/openapi-full.ts b/src/types/openapi/openapi-full.ts
index 29ae1fa1124..2a9e37ba63e 100644
--- a/src/types/openapi/openapi-full.ts
+++ b/src/types/openapi/openapi-full.ts
@@ -1474,6 +1474,28 @@ export type paths = {
         patch?: never;
         trace?: never;
     };
+    "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/participants": {
+        parameters: {
+            query?: never;
+            header?: never;
+            path?: never;
+            cookie?: never;
+        };
+        /** Get a list of participants for a room */
+        get: operations["room-get-participants"];
+        /**
+         * Synchronize the participants of a conversation with the given list
+         * @description Only available for the external call service. Participants missing from the list are removed (except owners), participants new in the list are added.
+         */
+        put: operations["room-sync-participants"];
+        /** Add a participant to a room */
+        post: operations["room-add-participant-to-room"];
+        delete?: never;
+        options?: never;
+        head?: never;
+        patch?: never;
+        trace?: never;
+    };
     "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/favorite": {
         parameters: {
             query?: never;
@@ -1563,24 +1585,6 @@ export type paths = {
         patch?: never;
         trace?: never;
     };
-    "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/participants": {
-        parameters: {
-            query?: never;
-            header?: never;
-            path?: never;
-            cookie?: never;
-        };
-        /** Get a list of participants for a room */
-        get: operations["room-get-participants"];
-        put?: never;
-        /** Add a participant to a room */
-        post: operations["room-add-participant-to-room"];
-        delete?: never;
-        options?: never;
-        head?: never;
-        patch?: never;
-        trace?: never;
-    };
     "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/breakout-rooms/participants": {
         parameters: {
             query?: never;
@@ -12733,10 +12737,15 @@ export interface operations {
             };
         };
     };
-    "room-add-to-favorites": {
+    "room-get-participants": {
         parameters: {
-            query?: never;
+            query?: {
+                /** @description Include the user statuses */
+                includeStatus?: boolean;
+            };
             header: {
+                /** @description Set to 1 when the request is performed by another Nextcloud Server to indicate a federation request */
+                "x-nextcloud-federation"?: string;
                 /** @description Required to be true for the API request to pass */
                 "OCS-APIRequest": boolean;
             };
@@ -12748,22 +12757,23 @@ export interface operations {
         };
         requestBody?: never;
         responses: {
-            /** @description Successfully added room to favorites */
+            /** @description Participants returned */
             200: {
                 headers: {
+                    "X-Nextcloud-Has-User-Statuses"?: boolean;
                     [name: string]: unknown;
                 };
                 content: {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: components["schemas"]["Room"];
+                            data: components["schemas"]["Participant"][];
                         };
                     };
                 };
             };
-            /** @description Current user is not logged in */
-            401: {
+            /** @description Missing permissions for getting participants */
+            403: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12778,22 +12788,42 @@ export interface operations {
             };
         };
     };
-    "room-remove-from-favorites": {
+    "room-sync-participants": {
         parameters: {
             query?: never;
             header: {
+                /** @description Random seed (at least 32 bytes) used together with the owner user ID to generate the SHA256-HMAC request checksum */
+                "x-nextcloud-talk-external-service-random"?: string;
+                /** @description SHA256-HMAC checksum over the concatenation of the random seed and the owner user ID, signed with the shared external call service secret, to verify authenticity from the external call service */
+                "x-nextcloud-talk-external-service-checksum"?: string;
                 /** @description Required to be true for the API request to pass */
                 "OCS-APIRequest": boolean;
             };
             path: {
                 apiVersion: "v4";
+                /** @description Token of the room */
                 token: string;
             };
             cookie?: never;
         };
-        requestBody?: never;
+        requestBody?: {
+            content: {
+                "application/json": {
+                    /**
+                     * @description List of participants the conversation should have grouped by type
+                     * @default []
+                     */
+                    participants?: components["schemas"]["InvitationList"];
+                    /**
+                     * @description User ID of an owner of the conversation that will be used as actor
+                     * @default
+                     */
+                    owner?: string;
+                };
+            };
+        };
         responses: {
-            /** @description Successfully removed room from favorites */
+            /** @description Participants synchronized successfully */
             200: {
                 headers: {
                     [name: string]: unknown;
@@ -12807,8 +12837,8 @@ export interface operations {
                     };
                 };
             };
-            /** @description Current user is not logged in */
-            401: {
+            /** @description Participants synchronized but not all participants could be added */
+            202: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12816,40 +12846,30 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: unknown;
+                            data: components["schemas"]["RoomWithInvalidInvitations"];
                         };
                     };
                 };
             };
-        };
-    };
-    "room-set-notification-level": {
-        parameters: {
-            query?: never;
-            header: {
-                /** @description Required to be true for the API request to pass */
-                "OCS-APIRequest": boolean;
-            };
-            path: {
-                apiVersion: "v4";
-                token: string;
-            };
-            cookie?: never;
-        };
-        requestBody: {
-            content: {
-                "application/json": {
-                    /**
-                     * Format: int64
-                     * @description New level
-                     */
-                    level: number;
+            /** @description Room is not an external call service conversation */
+            400: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": {
+                        ocs: {
+                            meta: components["schemas"]["OCSMeta"];
+                            data: {
+                                /** @enum {string} */
+                                error: "owner" | "room" | "room-type";
+                            };
+                        };
+                    };
                 };
             };
-        };
-        responses: {
-            /** @description Notification level updated successfully */
-            200: {
+            /** @description Invalid external call service secret */
+            401: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12857,13 +12877,16 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: components["schemas"]["Room"];
+                            data: {
+                                /** @enum {string} */
+                                error: "auth";
+                            };
                         };
                     };
                 };
             };
-            /** @description Updating notification level is not possible */
-            400: {
+            /** @description Owner is not an owner of the conversation */
+            403: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12873,14 +12896,14 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "level";
+                                error: "owner" | "room" | "room-type";
                             };
                         };
                     };
                 };
             };
-            /** @description Current user is not logged in */
-            401: {
+            /** @description Room or owner not found */
+            404: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12888,14 +12911,17 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: unknown;
+                            data: {
+                                /** @enum {string} */
+                                error: "owner" | "room" | "room-type";
+                            };
                         };
                     };
                 };
             };
         };
     };
-    "room-set-notification-calls": {
+    "room-add-participant-to-room": {
         parameters: {
             query?: never;
             header: {
@@ -12911,16 +12937,19 @@ export interface operations {
         requestBody: {
             content: {
                 "application/json": {
+                    /** @description New participant */
+                    newParticipant: string;
                     /**
-                     * Format: int64
-                     * @description New level
+                     * @description Source of the participant
+                     * @default users
+                     * @enum {string}
                      */
-                    level: number;
+                    source?: "users" | "groups" | "circles" | "emails" | "federated_users" | "phones" | "teams";
                 };
             };
         };
         responses: {
-            /** @description Call notification level updated successfully */
+            /** @description Participant successfully added, in Matrix conversations the user is invited and added once they accepted */
             200: {
                 headers: {
                     [name: string]: unknown;
@@ -12929,12 +12958,15 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: components["schemas"]["Room"];
+                            data: {
+                                /** Format: int64 */
+                                type?: number;
+                            };
                         };
                     };
                 };
             };
-            /** @description Updating call notification level is not possible */
+            /** @description Adding participant is not possible, e.g. when the user is banned or an email, phone number or federated user is added to a classified conversation (check error attribute of response for detail key) */
             400: {
                 headers: {
                     [name: string]: unknown;
@@ -12945,7 +12977,15 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "level";
+                                error: "ban" | "classified" | "cloud-id" | "federation" | "moderator" | "new-participant" | "outgoing" | "reach-remote" | "room-type" | "sip" | "source" | "trusted-servers";
+                            };
+                        };
+                    } | {
+                        ocs: {
+                            meta: components["schemas"]["OCSMeta"];
+                            data: {
+                                /** @enum {string} */
+                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
                             };
                         };
                     };
@@ -12965,32 +13005,8 @@ export interface operations {
                     };
                 };
             };
-        };
-    };
-    "room-set-description": {
-        parameters: {
-            query?: never;
-            header: {
-                /** @description Required to be true for the API request to pass */
-                "OCS-APIRequest": boolean;
-            };
-            path: {
-                apiVersion: "v4";
-                token: string;
-            };
-            cookie?: never;
-        };
-        requestBody: {
-            content: {
-                "application/json": {
-                    /** @description New description for the conversation (limited to 2.000 characters, was 500 before Talk 21) */
-                    description: string;
-                };
-            };
-        };
-        responses: {
-            /** @description Description updated successfully */
-            200: {
+            /** @description The Matrix account of the user can not invite to the Matrix room */
+            403: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12998,13 +13014,16 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: components["schemas"]["Room"];
+                            data: {
+                                /** @enum {string} */
+                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
+                            };
                         };
                     };
                 };
             };
-            /** @description Updating description is not possible */
-            400: {
+            /** @description User, group or other target to invite was not found */
+            404: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -13014,7 +13033,7 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "event" | "type" | "value";
+                                error: "ban" | "classified" | "cloud-id" | "federation" | "moderator" | "new-participant" | "outgoing" | "reach-remote" | "room-type" | "sip" | "source" | "trusted-servers";
                             };
                         };
                     } | {
@@ -13028,8 +13047,8 @@ export interface operations {
                     };
                 };
             };
-            /** @description The Matrix account of the user can not change the topic of the Matrix room */
-            403: {
+            /** @description SIP dial-out is not configured */
+            501: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -13039,14 +13058,14 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
+                                error: "ban" | "classified" | "cloud-id" | "federation" | "moderator" | "new-participant" | "outgoing" | "reach-remote" | "room-type" | "sip" | "source" | "trusted-servers";
                             };
                         };
                     };
                 };
             };
-            /** @description The Matrix room or the linked Matrix account of the user was not found */
-            404: {
+            /** @description The Matrix homeserver rejected the invite or could not be reached */
+            502: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -13062,8 +13081,25 @@ export interface operations {
                     };
                 };
             };
-            /** @description The Matrix homeserver rejected the change or could not be reached */
-            502: {
+        };
+    };
+    "room-add-to-favorites": {
+        parameters: {
+            query?: never;
+            header: {
+                /** @description Required to be true for the API request to pass */
+                "OCS-APIRequest": boolean;
+            };
+            path: {
+                apiVersion: "v4";
+                token: string;
+            };
+            cookie?: never;
+        };
+        requestBody?: never;
+        responses: {
+            /** @description Successfully added room to favorites */
+            200: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -13071,17 +13107,28 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: {
-                                /** @enum {string} */
-                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
-                            };
+                            data: components["schemas"]["Room"];
+                        };
+                    };
+                };
+            };
+            /** @description Current user is not logged in */
+            401: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": {
+                        ocs: {
+                            meta: components["schemas"]["OCSMeta"];
+                            data: unknown;
                         };
                     };
                 };
             };
         };
     };
-    "room-unbind-room-from-object": {
+    "room-remove-from-favorites": {
         parameters: {
             query?: never;
             header: {
@@ -13096,7 +13143,7 @@ export interface operations {
         };
         requestBody?: never;
         responses: {
-            /** @description Room successfully unbound */
+            /** @description Successfully removed room from favorites */
             200: {
                 headers: {
                     [name: string]: unknown;
@@ -13110,8 +13157,8 @@ export interface operations {
                     };
                 };
             };
-            /** @description Unbinding room is not possible */
-            400: {
+            /** @description Current user is not logged in */
+            401: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -13119,25 +13166,17 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: {
-                                /** @enum {string} */
-                                error: "object-type";
-                            };
+                            data: unknown;
                         };
                     };
                 };
             };
         };
     };
-    "room-get-participants": {
+    "room-set-notification-level": {
         parameters: {
-            query?: {
-                /** @description Include the user statuses */
-                includeStatus?: boolean;
-            };
+            query?: never;
             header: {
-                /** @description Set to 1 when the request is performed by another Nextcloud Server to indicate a federation request */
-                "x-nextcloud-federation"?: string;
                 /** @description Required to be true for the API request to pass */
                 "OCS-APIRequest": boolean;
             };
@@ -13147,25 +13186,51 @@ export interface operations {
             };
             cookie?: never;
         };
-        requestBody?: never;
+        requestBody: {
+            content: {
+                "application/json": {
+                    /**
+                     * Format: int64
+                     * @description New level
+                     */
+                    level: number;
+                };
+            };
+        };
         responses: {
-            /** @description Participants returned */
+            /** @description Notification level updated successfully */
             200: {
                 headers: {
-                    "X-Nextcloud-Has-User-Statuses"?: boolean;
                     [name: string]: unknown;
                 };
                 content: {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: components["schemas"]["Participant"][];
+                            data: components["schemas"]["Room"];
                         };
                     };
                 };
             };
-            /** @description Missing permissions for getting participants */
-            403: {
+            /** @description Updating notification level is not possible */
+            400: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": {
+                        ocs: {
+                            meta: components["schemas"]["OCSMeta"];
+                            data: {
+                                /** @enum {string} */
+                                error: "level";
+                            };
+                        };
+                    };
+                };
+            };
+            /** @description Current user is not logged in */
+            401: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -13180,7 +13245,7 @@ export interface operations {
             };
         };
     };
-    "room-add-participant-to-room": {
+    "room-set-notification-calls": {
         parameters: {
             query?: never;
             header: {
@@ -13196,19 +13261,16 @@ export interface operations {
         requestBody: {
             content: {
                 "application/json": {
-                    /** @description New participant */
-                    newParticipant: string;
                     /**
-                     * @description Source of the participant
-                     * @default users
-                     * @enum {string}
+                     * Format: int64
+                     * @description New level
                      */
-                    source?: "users" | "groups" | "circles" | "emails" | "federated_users" | "phones" | "teams";
+                    level: number;
                 };
             };
         };
         responses: {
-            /** @description Participant successfully added, in Matrix conversations the user is invited and added once they accepted */
+            /** @description Call notification level updated successfully */
             200: {
                 headers: {
                     [name: string]: unknown;
@@ -13217,15 +13279,12 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: {
-                                /** Format: int64 */
-                                type?: number;
-                            };
+                            data: components["schemas"]["Room"];
                         };
                     };
                 };
             };
-            /** @description Adding participant is not possible, e.g. when the user is banned or an email, phone number or federated user is added to a classified conversation (check error attribute of response for detail key) */
+            /** @description Updating call notification level is not possible */
             400: {
                 headers: {
                     [name: string]: unknown;
@@ -13236,15 +13295,7 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "ban" | "classified" | "cloud-id" | "federation" | "moderator" | "new-participant" | "outgoing" | "reach-remote" | "room-type" | "sip" | "source" | "trusted-servers";
-                            };
-                        };
-                    } | {
-                        ocs: {
-                            meta: components["schemas"]["OCSMeta"];
-                            data: {
-                                /** @enum {string} */
-                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
+                                error: "level";
                             };
                         };
                     };
@@ -13264,13 +13315,59 @@ export interface operations {
                     };
                 };
             };
-            /** @description The Matrix account of the user can not invite to the Matrix room */
-            403: {
+        };
+    };
+    "room-set-description": {
+        parameters: {
+            query?: never;
+            header: {
+                /** @description Required to be true for the API request to pass */
+                "OCS-APIRequest": boolean;
+            };
+            path: {
+                apiVersion: "v4";
+                token: string;
+            };
+            cookie?: never;
+        };
+        requestBody: {
+            content: {
+                "application/json": {
+                    /** @description New description for the conversation (limited to 2.000 characters, was 500 before Talk 21) */
+                    description: string;
+                };
+            };
+        };
+        responses: {
+            /** @description Description updated successfully */
+            200: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": {
+                        ocs: {
+                            meta: components["schemas"]["OCSMeta"];
+                            data: components["schemas"]["Room"];
+                        };
+                    };
+                };
+            };
+            /** @description Updating description is not possible */
+            400: {
                 headers: {
                     [name: string]: unknown;
                 };
                 content: {
                     "application/json": {
+                        ocs: {
+                            meta: components["schemas"]["OCSMeta"];
+                            data: {
+                                /** @enum {string} */
+                                error: "event" | "type" | "value";
+                            };
+                        };
+                    } | {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
@@ -13281,8 +13378,8 @@ export interface operations {
                     };
                 };
             };
-            /** @description User, group or other target to invite was not found */
-            404: {
+            /** @description The Matrix account of the user can not change the topic of the Matrix room */
+            403: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -13292,10 +13389,19 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "ban" | "classified" | "cloud-id" | "federation" | "moderator" | "new-participant" | "outgoing" | "reach-remote" | "room-type" | "sip" | "source" | "trusted-servers";
+                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
                             };
                         };
-                    } | {
+                    };
+                };
+            };
+            /** @description The Matrix room or the linked Matrix account of the user was not found */
+            404: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
@@ -13306,8 +13412,8 @@ export interface operations {
                     };
                 };
             };
-            /** @description SIP dial-out is not configured */
-            501: {
+            /** @description The Matrix homeserver rejected the change or could not be reached */
+            502: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -13317,14 +13423,45 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "ban" | "classified" | "cloud-id" | "federation" | "moderator" | "new-participant" | "outgoing" | "reach-remote" | "room-type" | "sip" | "source" | "trusted-servers";
+                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
                             };
                         };
                     };
                 };
             };
-            /** @description The Matrix homeserver rejected the invite or could not be reached */
-            502: {
+        };
+    };
+    "room-unbind-room-from-object": {
+        parameters: {
+            query?: never;
+            header: {
+                /** @description Required to be true for the API request to pass */
+                "OCS-APIRequest": boolean;
+            };
+            path: {
+                apiVersion: "v4";
+                token: string;
+            };
+            cookie?: never;
+        };
+        requestBody?: never;
+        responses: {
+            /** @description Room successfully unbound */
+            200: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": {
+                        ocs: {
+                            meta: components["schemas"]["OCSMeta"];
+                            data: components["schemas"]["Room"];
+                        };
+                    };
+                };
+            };
+            /** @description Unbinding room is not possible */
+            400: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -13334,7 +13471,7 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
+                                error: "object-type";
                             };
                         };
                     };
diff --git a/src/types/openapi/openapi.ts b/src/types/openapi/openapi.ts
index 0f52ae3fae1..c3e1b6c863a 100644
--- a/src/types/openapi/openapi.ts
+++ b/src/types/openapi/openapi.ts
@@ -1474,6 +1474,28 @@ export type paths = {
         patch?: never;
         trace?: never;
     };
+    "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/participants": {
+        parameters: {
+            query?: never;
+            header?: never;
+            path?: never;
+            cookie?: never;
+        };
+        /** Get a list of participants for a room */
+        get: operations["room-get-participants"];
+        /**
+         * Synchronize the participants of a conversation with the given list
+         * @description Only available for the external call service. Participants missing from the list are removed (except owners), participants new in the list are added.
+         */
+        put: operations["room-sync-participants"];
+        /** Add a participant to a room */
+        post: operations["room-add-participant-to-room"];
+        delete?: never;
+        options?: never;
+        head?: never;
+        patch?: never;
+        trace?: never;
+    };
     "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/favorite": {
         parameters: {
             query?: never;
@@ -1563,24 +1585,6 @@ export type paths = {
         patch?: never;
         trace?: never;
     };
-    "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/participants": {
-        parameters: {
-            query?: never;
-            header?: never;
-            path?: never;
-            cookie?: never;
-        };
-        /** Get a list of participants for a room */
-        get: operations["room-get-participants"];
-        put?: never;
-        /** Add a participant to a room */
-        post: operations["room-add-participant-to-room"];
-        delete?: never;
-        options?: never;
-        head?: never;
-        patch?: never;
-        trace?: never;
-    };
     "/ocs/v2.php/apps/spreed/api/{apiVersion}/room/{token}/breakout-rooms/participants": {
         parameters: {
             query?: never;
@@ -12042,10 +12046,15 @@ export interface operations {
             };
         };
     };
-    "room-add-to-favorites": {
+    "room-get-participants": {
         parameters: {
-            query?: never;
+            query?: {
+                /** @description Include the user statuses */
+                includeStatus?: boolean;
+            };
             header: {
+                /** @description Set to 1 when the request is performed by another Nextcloud Server to indicate a federation request */
+                "x-nextcloud-federation"?: string;
                 /** @description Required to be true for the API request to pass */
                 "OCS-APIRequest": boolean;
             };
@@ -12057,22 +12066,23 @@ export interface operations {
         };
         requestBody?: never;
         responses: {
-            /** @description Successfully added room to favorites */
+            /** @description Participants returned */
             200: {
                 headers: {
+                    "X-Nextcloud-Has-User-Statuses"?: boolean;
                     [name: string]: unknown;
                 };
                 content: {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: components["schemas"]["Room"];
+                            data: components["schemas"]["Participant"][];
                         };
                     };
                 };
             };
-            /** @description Current user is not logged in */
-            401: {
+            /** @description Missing permissions for getting participants */
+            403: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12087,22 +12097,42 @@ export interface operations {
             };
         };
     };
-    "room-remove-from-favorites": {
+    "room-sync-participants": {
         parameters: {
             query?: never;
             header: {
+                /** @description Random seed (at least 32 bytes) used together with the owner user ID to generate the SHA256-HMAC request checksum */
+                "x-nextcloud-talk-external-service-random"?: string;
+                /** @description SHA256-HMAC checksum over the concatenation of the random seed and the owner user ID, signed with the shared external call service secret, to verify authenticity from the external call service */
+                "x-nextcloud-talk-external-service-checksum"?: string;
                 /** @description Required to be true for the API request to pass */
                 "OCS-APIRequest": boolean;
             };
             path: {
                 apiVersion: "v4";
+                /** @description Token of the room */
                 token: string;
             };
             cookie?: never;
         };
-        requestBody?: never;
+        requestBody?: {
+            content: {
+                "application/json": {
+                    /**
+                     * @description List of participants the conversation should have grouped by type
+                     * @default []
+                     */
+                    participants?: components["schemas"]["InvitationList"];
+                    /**
+                     * @description User ID of an owner of the conversation that will be used as actor
+                     * @default
+                     */
+                    owner?: string;
+                };
+            };
+        };
         responses: {
-            /** @description Successfully removed room from favorites */
+            /** @description Participants synchronized successfully */
             200: {
                 headers: {
                     [name: string]: unknown;
@@ -12116,8 +12146,8 @@ export interface operations {
                     };
                 };
             };
-            /** @description Current user is not logged in */
-            401: {
+            /** @description Participants synchronized but not all participants could be added */
+            202: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12125,40 +12155,30 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: unknown;
+                            data: components["schemas"]["RoomWithInvalidInvitations"];
                         };
                     };
                 };
             };
-        };
-    };
-    "room-set-notification-level": {
-        parameters: {
-            query?: never;
-            header: {
-                /** @description Required to be true for the API request to pass */
-                "OCS-APIRequest": boolean;
-            };
-            path: {
-                apiVersion: "v4";
-                token: string;
-            };
-            cookie?: never;
-        };
-        requestBody: {
-            content: {
-                "application/json": {
-                    /**
-                     * Format: int64
-                     * @description New level
-                     */
-                    level: number;
+            /** @description Room is not an external call service conversation */
+            400: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": {
+                        ocs: {
+                            meta: components["schemas"]["OCSMeta"];
+                            data: {
+                                /** @enum {string} */
+                                error: "owner" | "room" | "room-type";
+                            };
+                        };
+                    };
                 };
             };
-        };
-        responses: {
-            /** @description Notification level updated successfully */
-            200: {
+            /** @description Invalid external call service secret */
+            401: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12166,13 +12186,16 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: components["schemas"]["Room"];
+                            data: {
+                                /** @enum {string} */
+                                error: "auth";
+                            };
                         };
                     };
                 };
             };
-            /** @description Updating notification level is not possible */
-            400: {
+            /** @description Owner is not an owner of the conversation */
+            403: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12182,14 +12205,14 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "level";
+                                error: "owner" | "room" | "room-type";
                             };
                         };
                     };
                 };
             };
-            /** @description Current user is not logged in */
-            401: {
+            /** @description Room or owner not found */
+            404: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12197,14 +12220,17 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: unknown;
+                            data: {
+                                /** @enum {string} */
+                                error: "owner" | "room" | "room-type";
+                            };
                         };
                     };
                 };
             };
         };
     };
-    "room-set-notification-calls": {
+    "room-add-participant-to-room": {
         parameters: {
             query?: never;
             header: {
@@ -12220,16 +12246,19 @@ export interface operations {
         requestBody: {
             content: {
                 "application/json": {
+                    /** @description New participant */
+                    newParticipant: string;
                     /**
-                     * Format: int64
-                     * @description New level
+                     * @description Source of the participant
+                     * @default users
+                     * @enum {string}
                      */
-                    level: number;
+                    source?: "users" | "groups" | "circles" | "emails" | "federated_users" | "phones" | "teams";
                 };
             };
         };
         responses: {
-            /** @description Call notification level updated successfully */
+            /** @description Participant successfully added, in Matrix conversations the user is invited and added once they accepted */
             200: {
                 headers: {
                     [name: string]: unknown;
@@ -12238,12 +12267,15 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: components["schemas"]["Room"];
+                            data: {
+                                /** Format: int64 */
+                                type?: number;
+                            };
                         };
                     };
                 };
             };
-            /** @description Updating call notification level is not possible */
+            /** @description Adding participant is not possible, e.g. when the user is banned or an email, phone number or federated user is added to a classified conversation (check error attribute of response for detail key) */
             400: {
                 headers: {
                     [name: string]: unknown;
@@ -12254,7 +12286,15 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "level";
+                                error: "ban" | "classified" | "cloud-id" | "federation" | "moderator" | "new-participant" | "outgoing" | "reach-remote" | "room-type" | "sip" | "source" | "trusted-servers";
+                            };
+                        };
+                    } | {
+                        ocs: {
+                            meta: components["schemas"]["OCSMeta"];
+                            data: {
+                                /** @enum {string} */
+                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
                             };
                         };
                     };
@@ -12274,32 +12314,8 @@ export interface operations {
                     };
                 };
             };
-        };
-    };
-    "room-set-description": {
-        parameters: {
-            query?: never;
-            header: {
-                /** @description Required to be true for the API request to pass */
-                "OCS-APIRequest": boolean;
-            };
-            path: {
-                apiVersion: "v4";
-                token: string;
-            };
-            cookie?: never;
-        };
-        requestBody: {
-            content: {
-                "application/json": {
-                    /** @description New description for the conversation (limited to 2.000 characters, was 500 before Talk 21) */
-                    description: string;
-                };
-            };
-        };
-        responses: {
-            /** @description Description updated successfully */
-            200: {
+            /** @description The Matrix account of the user can not invite to the Matrix room */
+            403: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12307,13 +12323,16 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: components["schemas"]["Room"];
+                            data: {
+                                /** @enum {string} */
+                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
+                            };
                         };
                     };
                 };
             };
-            /** @description Updating description is not possible */
-            400: {
+            /** @description User, group or other target to invite was not found */
+            404: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12323,7 +12342,7 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "event" | "type" | "value";
+                                error: "ban" | "classified" | "cloud-id" | "federation" | "moderator" | "new-participant" | "outgoing" | "reach-remote" | "room-type" | "sip" | "source" | "trusted-servers";
                             };
                         };
                     } | {
@@ -12337,8 +12356,8 @@ export interface operations {
                     };
                 };
             };
-            /** @description The Matrix account of the user can not change the topic of the Matrix room */
-            403: {
+            /** @description SIP dial-out is not configured */
+            501: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12348,14 +12367,14 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
+                                error: "ban" | "classified" | "cloud-id" | "federation" | "moderator" | "new-participant" | "outgoing" | "reach-remote" | "room-type" | "sip" | "source" | "trusted-servers";
                             };
                         };
                     };
                 };
             };
-            /** @description The Matrix room or the linked Matrix account of the user was not found */
-            404: {
+            /** @description The Matrix homeserver rejected the invite or could not be reached */
+            502: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12371,8 +12390,25 @@ export interface operations {
                     };
                 };
             };
-            /** @description The Matrix homeserver rejected the change or could not be reached */
-            502: {
+        };
+    };
+    "room-add-to-favorites": {
+        parameters: {
+            query?: never;
+            header: {
+                /** @description Required to be true for the API request to pass */
+                "OCS-APIRequest": boolean;
+            };
+            path: {
+                apiVersion: "v4";
+                token: string;
+            };
+            cookie?: never;
+        };
+        requestBody?: never;
+        responses: {
+            /** @description Successfully added room to favorites */
+            200: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12380,17 +12416,28 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: {
-                                /** @enum {string} */
-                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
-                            };
+                            data: components["schemas"]["Room"];
+                        };
+                    };
+                };
+            };
+            /** @description Current user is not logged in */
+            401: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": {
+                        ocs: {
+                            meta: components["schemas"]["OCSMeta"];
+                            data: unknown;
                         };
                     };
                 };
             };
         };
     };
-    "room-unbind-room-from-object": {
+    "room-remove-from-favorites": {
         parameters: {
             query?: never;
             header: {
@@ -12405,7 +12452,7 @@ export interface operations {
         };
         requestBody?: never;
         responses: {
-            /** @description Room successfully unbound */
+            /** @description Successfully removed room from favorites */
             200: {
                 headers: {
                     [name: string]: unknown;
@@ -12419,8 +12466,8 @@ export interface operations {
                     };
                 };
             };
-            /** @description Unbinding room is not possible */
-            400: {
+            /** @description Current user is not logged in */
+            401: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12428,25 +12475,17 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: {
-                                /** @enum {string} */
-                                error: "object-type";
-                            };
+                            data: unknown;
                         };
                     };
                 };
             };
         };
     };
-    "room-get-participants": {
+    "room-set-notification-level": {
         parameters: {
-            query?: {
-                /** @description Include the user statuses */
-                includeStatus?: boolean;
-            };
+            query?: never;
             header: {
-                /** @description Set to 1 when the request is performed by another Nextcloud Server to indicate a federation request */
-                "x-nextcloud-federation"?: string;
                 /** @description Required to be true for the API request to pass */
                 "OCS-APIRequest": boolean;
             };
@@ -12456,25 +12495,51 @@ export interface operations {
             };
             cookie?: never;
         };
-        requestBody?: never;
+        requestBody: {
+            content: {
+                "application/json": {
+                    /**
+                     * Format: int64
+                     * @description New level
+                     */
+                    level: number;
+                };
+            };
+        };
         responses: {
-            /** @description Participants returned */
+            /** @description Notification level updated successfully */
             200: {
                 headers: {
-                    "X-Nextcloud-Has-User-Statuses"?: boolean;
                     [name: string]: unknown;
                 };
                 content: {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: components["schemas"]["Participant"][];
+                            data: components["schemas"]["Room"];
                         };
                     };
                 };
             };
-            /** @description Missing permissions for getting participants */
-            403: {
+            /** @description Updating notification level is not possible */
+            400: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": {
+                        ocs: {
+                            meta: components["schemas"]["OCSMeta"];
+                            data: {
+                                /** @enum {string} */
+                                error: "level";
+                            };
+                        };
+                    };
+                };
+            };
+            /** @description Current user is not logged in */
+            401: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12489,7 +12554,7 @@ export interface operations {
             };
         };
     };
-    "room-add-participant-to-room": {
+    "room-set-notification-calls": {
         parameters: {
             query?: never;
             header: {
@@ -12505,19 +12570,16 @@ export interface operations {
         requestBody: {
             content: {
                 "application/json": {
-                    /** @description New participant */
-                    newParticipant: string;
                     /**
-                     * @description Source of the participant
-                     * @default users
-                     * @enum {string}
+                     * Format: int64
+                     * @description New level
                      */
-                    source?: "users" | "groups" | "circles" | "emails" | "federated_users" | "phones" | "teams";
+                    level: number;
                 };
             };
         };
         responses: {
-            /** @description Participant successfully added, in Matrix conversations the user is invited and added once they accepted */
+            /** @description Call notification level updated successfully */
             200: {
                 headers: {
                     [name: string]: unknown;
@@ -12526,15 +12588,12 @@ export interface operations {
                     "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
-                            data: {
-                                /** Format: int64 */
-                                type?: number;
-                            };
+                            data: components["schemas"]["Room"];
                         };
                     };
                 };
             };
-            /** @description Adding participant is not possible, e.g. when the user is banned or an email, phone number or federated user is added to a classified conversation (check error attribute of response for detail key) */
+            /** @description Updating call notification level is not possible */
             400: {
                 headers: {
                     [name: string]: unknown;
@@ -12545,15 +12604,7 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "ban" | "classified" | "cloud-id" | "federation" | "moderator" | "new-participant" | "outgoing" | "reach-remote" | "room-type" | "sip" | "source" | "trusted-servers";
-                            };
-                        };
-                    } | {
-                        ocs: {
-                            meta: components["schemas"]["OCSMeta"];
-                            data: {
-                                /** @enum {string} */
-                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
+                                error: "level";
                             };
                         };
                     };
@@ -12573,13 +12624,59 @@ export interface operations {
                     };
                 };
             };
-            /** @description The Matrix account of the user can not invite to the Matrix room */
-            403: {
+        };
+    };
+    "room-set-description": {
+        parameters: {
+            query?: never;
+            header: {
+                /** @description Required to be true for the API request to pass */
+                "OCS-APIRequest": boolean;
+            };
+            path: {
+                apiVersion: "v4";
+                token: string;
+            };
+            cookie?: never;
+        };
+        requestBody: {
+            content: {
+                "application/json": {
+                    /** @description New description for the conversation (limited to 2.000 characters, was 500 before Talk 21) */
+                    description: string;
+                };
+            };
+        };
+        responses: {
+            /** @description Description updated successfully */
+            200: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": {
+                        ocs: {
+                            meta: components["schemas"]["OCSMeta"];
+                            data: components["schemas"]["Room"];
+                        };
+                    };
+                };
+            };
+            /** @description Updating description is not possible */
+            400: {
                 headers: {
                     [name: string]: unknown;
                 };
                 content: {
                     "application/json": {
+                        ocs: {
+                            meta: components["schemas"]["OCSMeta"];
+                            data: {
+                                /** @enum {string} */
+                                error: "event" | "type" | "value";
+                            };
+                        };
+                    } | {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
@@ -12590,8 +12687,8 @@ export interface operations {
                     };
                 };
             };
-            /** @description User, group or other target to invite was not found */
-            404: {
+            /** @description The Matrix account of the user can not change the topic of the Matrix room */
+            403: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12601,10 +12698,19 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "ban" | "classified" | "cloud-id" | "federation" | "moderator" | "new-participant" | "outgoing" | "reach-remote" | "room-type" | "sip" | "source" | "trusted-servers";
+                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
                             };
                         };
-                    } | {
+                    };
+                };
+            };
+            /** @description The Matrix room or the linked Matrix account of the user was not found */
+            404: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": {
                         ocs: {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
@@ -12615,8 +12721,8 @@ export interface operations {
                     };
                 };
             };
-            /** @description SIP dial-out is not configured */
-            501: {
+            /** @description The Matrix homeserver rejected the change or could not be reached */
+            502: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12626,14 +12732,45 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "ban" | "classified" | "cloud-id" | "federation" | "moderator" | "new-participant" | "outgoing" | "reach-remote" | "room-type" | "sip" | "source" | "trusted-servers";
+                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
                             };
                         };
                     };
                 };
             };
-            /** @description The Matrix homeserver rejected the invite or could not be reached */
-            502: {
+        };
+    };
+    "room-unbind-room-from-object": {
+        parameters: {
+            query?: never;
+            header: {
+                /** @description Required to be true for the API request to pass */
+                "OCS-APIRequest": boolean;
+            };
+            path: {
+                apiVersion: "v4";
+                token: string;
+            };
+            cookie?: never;
+        };
+        requestBody?: never;
+        responses: {
+            /** @description Room successfully unbound */
+            200: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": {
+                        ocs: {
+                            meta: components["schemas"]["OCSMeta"];
+                            data: components["schemas"]["Room"];
+                        };
+                    };
+                };
+            };
+            /** @description Unbinding room is not possible */
+            400: {
                 headers: {
                     [name: string]: unknown;
                 };
@@ -12643,7 +12780,7 @@ export interface operations {
                             meta: components["schemas"]["OCSMeta"];
                             data: {
                                 /** @enum {string} */
-                                error: "account" | "encrypted" | "matrix" | "message" | "permission";
+                                error: "object-type";
                             };
                         };
                     };