@@ -0,0 +1,18 @@
+---
+'@objectstack/plugin-security': patch
+---
+
+feat: a boot upgrade impact report for the non-access classes (flows, actions, webhooks, overlays, object extensions, navigation contributions, settings), raised to the administrator like the access upgrade report
+
+Clause-②: yes (widening: a new boot report and a new notification topic, `system.upgrade_impact`; nothing is written or refused, and no existing path changes)
+Metadata-protocol: none
+
+A package upgrade that renames, removes or collides with a name could leave the customer's stored state meaning something else, with nothing said beyond a scattered log line. At every boot, beside the access upgrade report, the security plugin now reads that state against the registry and lists:
+
+- **Flow, action and webhook switches:** an activation ledger row whose name no package ships any more, and a switched-off one whose package now ships unswitched names of the same type (a suspected rename that makes the item active again). Also a switched-off action whose name more than one object now declares, because the one row switches every one of them off.
+- **Stored rows a package now overrides:** a stored flow whose name a package ships (the packaged flow runs, the stored one never does), and a `sys_webhook` row holding the name of a webhook a package declares (the declaration is withheld for the whole deployment).
+- **Overlay orphans:** a customization of a view, dashboard, report, translation or email template bound to an installed package that no longer ships the item. It keeps serving as an item of its own.
+- **Object extensions:** a field an extension declares that the object it extends (or another package's extension) also declares, where the last declaration silently wins. Also a stored object row bound to a package that does not own the object, because another package now ships the name, which the boot refuses to serve. And a navigation contribution whose group its app no longer has.
+- **Settings:** a stored value whose namespace no longer declares its key. The value is never read, and the default applies. The report never reads a value.
+
+Each category logs one `error` with its fix. The finding set is raised through the same delivery as the access report, under its own topic and `dedupKey`. Under `single` it goes to the Default Organization's administrators. Under a wall it goes to the operator alone, and in-app in the organization `OS_PLATFORM_OWNER_ORGANIZATION` names when that is set. A clean boot logs one `info` line. A store that cannot be read stops the report for that boot, and it says so.
@@ -48,6 +48,7 @@ import {
   type DeclaredSharingRuleReader,
 } from './access-upgrade-report.js';
 import { ACCESS_UPGRADE_CHECK_SERVICE, createAccessUpgradeCheck } from './access-upgrade-check.js';
+import { reportUpgradeImpact, SETTINGS_SERVICE, type SettingsManifestReader } from './upgrade-impact-report.js';
 import {
   explainAccessForAsker,
   buildContextForUser,
@@ -4770,6 +4771,30 @@ export class SecurityPlugin implements Plugin {
             { error: (e as Error)?.message },
           );
         }
+        // [#24447] The upgrade impact report: the same comparison for the
+        // non-access classes — flow, action and webhook switches, stored
+        // overlays and object rows, object extensions, navigation
+        // contributions and stored settings — raised the same way. It writes
+        // and refuses nothing. See `upgrade-impact-report.ts`.
+        try {
+          const optional = <T,>(name: string): T | undefined => {
+            try { return ctx.getService<T>(name) ?? undefined; } catch { return undefined; }
+          };
+          const settings = optional<Partial<SettingsManifestReader>>(SETTINGS_SERVICE);
+          const messaging = optional<Partial<AccessUpgradeNotifier>>('messaging');
+          await reportUpgradeImpact(ql as any, {
+            settings: typeof settings?.listManifests === 'function' ? (settings as SettingsManifestReader) : undefined,
+            messaging: typeof messaging?.emit === 'function' ? (messaging as AccessUpgradeNotifier) : undefined,
+            walled: postureEnforcesWall(this.tenancyPosture),
+            logger: ctx.logger,
+          });
+        } catch (e) {
+          ctx.logger.warn(
+            '[security] the upgrade impact report did not run — a switch, stored row, extension or setting an ' +
+              'upgrade left behind goes unreported for this boot',
+            { error: (e as Error)?.message },
+          );
+        }
       });
     }