diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d2405e44e..59e13684c 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,13 +1,13 @@
 {
-  ".": "26.12.0",
-  "packages/api-explorer": "0.9.88",
+  ".": "26.12.1",
+  "packages/api-explorer": "0.9.89",
   "packages/code-editor": "0.1.55",
-  "packages/extension-api-explorer": "22.21.45",
+  "packages/extension-api-explorer": "22.21.46",
   "packages/extension-sdk": "26.12.0",
   "packages/extension-sdk-react": "26.12.0",
-  "packages/extension-utils": "0.1.65",
-  "packages/hackathon": "22.21.47",
-  "packages/run-it": "0.9.88",
+  "packages/extension-utils": "0.1.66",
+  "packages/hackathon": "22.21.48",
+  "packages/run-it": "0.9.89",
   "packages/sdk": "26.12.0",
   "packages/sdk-codegen": "26.12.0",
   "packages/sdk-codegen-scripts": "21.5.45",
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c90dd7c71..5eda9bf37 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [26.12.1](https://github.com/looker-open-source/sdk-codegen/compare/sdk-codegen-all-v26.12.0...sdk-codegen-all-v26.12.1) (2026-08-14)
+
+
+### Bug Fixes
+
+* **api-explorer:** resolve extension routes to absolute Looker host URLs ([#1735](https://github.com/looker-open-source/sdk-codegen/issues/1735)) ([1ea66cc](https://github.com/looker-open-source/sdk-codegen/commit/1ea66ccaa9f986683657e45d7af5938add42c69e))
+
 ## [26.12.0](https://github.com/looker-open-source/sdk-codegen/compare/sdk-codegen-all-v26.10.0...sdk-codegen-all-v26.12.0) (2026-07-13)
 
 
diff --git a/package.json b/package.json
index bba4034da..bf647e48e 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "license": "MIT",
   "name": "sdk-codegen-all",
-  "version": "26.12.0",
+  "version": "26.12.1",
   "description": "All workspaces for SDK code generation",
   "author": "Looker",
   "private": true,
diff --git a/packages/api-explorer/CHANGELOG.md b/packages/api-explorer/CHANGELOG.md
index ecc771829..9dfebe5d3 100644
--- a/packages/api-explorer/CHANGELOG.md
+++ b/packages/api-explorer/CHANGELOG.md
@@ -480,6 +480,21 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
     * @looker/sdk-codegen-scripts bumped from 21.5.44 to 21.5.45
     * @looker/sdk-node bumped from 26.10.0 to 26.12.0
 
+## [0.9.89](https://github.com/looker-open-source/sdk-codegen/compare/api-explorer-v0.9.88...api-explorer-v0.9.89) (2026-08-14)
+
+
+### Bug Fixes
+
+* **api-explorer:** resolve extension routes to absolute Looker host URLs ([#1735](https://github.com/looker-open-source/sdk-codegen/issues/1735)) ([1ea66cc](https://github.com/looker-open-source/sdk-codegen/commit/1ea66ccaa9f986683657e45d7af5938add42c69e))
+
+
+### Dependencies
+
+* The following workspace dependencies were updated
+  * dependencies
+    * @looker/extension-utils bumped from 0.1.65 to 0.1.66
+    * @looker/run-it bumped from 0.9.88 to 0.9.89
+
 ## [0.9.83](https://github.com/looker-open-source/sdk-codegen/compare/api-explorer-v0.9.82...api-explorer-v0.9.83) (2026-03-11)
 
 
diff --git a/packages/api-explorer/package.json b/packages/api-explorer/package.json
index 226ec2bb8..747fbf513 100644
--- a/packages/api-explorer/package.json
+++ b/packages/api-explorer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@looker/api-explorer",
-  "version": "0.9.88",
+  "version": "0.9.89",
   "description": "Looker API Explorer",
   "main": "lib/index.js",
   "module": "lib/esm/index.js",
@@ -73,10 +73,10 @@
     "@looker/code-editor": "0.1.55",
     "@looker/components": "^5.0.3",
     "@looker/design-tokens": "^3.1.3",
-    "@looker/extension-utils": "0.1.65",
+    "@looker/extension-utils": "0.1.66",
     "@looker/icons": "^1.5.21",
     "@looker/redux": "^0.0.1",
-    "@looker/run-it": "0.9.88",
+    "@looker/run-it": "0.9.89",
     "@looker/sdk": "26.12.0",
     "@looker/sdk-codegen": "26.12.0",
     "@looker/sdk-rtl": "21.6.5",
diff --git a/packages/extension-api-explorer/CHANGELOG.md b/packages/extension-api-explorer/CHANGELOG.md
index 58596ca23..08a13d8f1 100644
--- a/packages/extension-api-explorer/CHANGELOG.md
+++ b/packages/extension-api-explorer/CHANGELOG.md
@@ -475,6 +475,14 @@
     * @looker/sdk bumped from 26.10.0 to 26.12.0
     * @looker/sdk-codegen bumped from 21.11.4 to 26.12.0
 
+### Dependencies
+
+* The following workspace dependencies were updated
+  * dependencies
+    * @looker/api-explorer bumped from 0.9.88 to 0.9.89
+    * @looker/extension-utils bumped from 0.1.65 to 0.1.66
+    * @looker/run-it bumped from 0.9.88 to 0.9.89
+
 ## [22.21.29](https://github.com/looker-open-source/sdk-codegen/compare/extension-api-explorer-v22.21.28...extension-api-explorer-v22.21.29) (2025-02-06)
 
 
diff --git a/packages/extension-api-explorer/package.json b/packages/extension-api-explorer/package.json
index 36e06fda9..3b769be70 100644
--- a/packages/extension-api-explorer/package.json
+++ b/packages/extension-api-explorer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@looker/extension-api-explorer",
-  "version": "22.21.45",
+  "version": "22.21.46",
   "description": "Looker API Explorer extension",
   "main": "dist/bundle.js",
   "sideEffects": false,
@@ -15,13 +15,13 @@
     "watch": "yarn lerna exec --scope @looker/extension-api-explorer --stream 'BABEL_ENV=build babel src --root-mode upward --out-dir lib/esm --source-maps --extensions .ts,.tsx --no-comments --watch'"
   },
   "dependencies": {
-    "@looker/api-explorer": "0.9.88",
+    "@looker/api-explorer": "0.9.89",
     "@looker/components": "^5.0.3",
     "@looker/extension-sdk": "26.12.0",
     "@looker/extension-sdk-react": "26.12.0",
-    "@looker/extension-utils": "0.1.65",
+    "@looker/extension-utils": "0.1.66",
     "@looker/icons": "^1.5.21",
-    "@looker/run-it": "0.9.88",
+    "@looker/run-it": "0.9.89",
     "@looker/sdk": "26.12.0",
     "@looker/sdk-codegen": "26.12.0",
     "@styled-icons/material": "^10.47.0",
diff --git a/packages/extension-utils/CHANGELOG.md b/packages/extension-utils/CHANGELOG.md
index efeb35bd5..a7c9134b5 100644
--- a/packages/extension-utils/CHANGELOG.md
+++ b/packages/extension-utils/CHANGELOG.md
@@ -338,6 +338,13 @@
     * @looker/extension-sdk-react bumped from 26.10.0 to 26.12.0
     * @looker/sdk bumped from 26.10.0 to 26.12.0
 
+## [0.1.66](https://github.com/looker-open-source/sdk-codegen/compare/extension-utils-v0.1.65...extension-utils-v0.1.66) (2026-08-14)
+
+
+### Bug Fixes
+
+* **api-explorer:** resolve extension routes to absolute Looker host URLs ([#1735](https://github.com/looker-open-source/sdk-codegen/issues/1735)) ([1ea66cc](https://github.com/looker-open-source/sdk-codegen/commit/1ea66ccaa9f986683657e45d7af5938add42c69e))
+
 ## [0.1.49](https://github.com/looker-open-source/sdk-codegen/compare/extension-utils-v0.1.48...extension-utils-v0.1.49) (2025-02-06)
 
 
diff --git a/packages/extension-utils/package.json b/packages/extension-utils/package.json
index 14f569a26..f386e2867 100644
--- a/packages/extension-utils/package.json
+++ b/packages/extension-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@looker/extension-utils",
-  "version": "0.1.65",
+  "version": "0.1.66",
   "description": "Looker Extension Utilities",
   "main": "lib/index.js",
   "module": "lib/esm/index.js",
diff --git a/packages/hackathon/CHANGELOG.md b/packages/hackathon/CHANGELOG.md
index 5f0d35656..80688b986 100644
--- a/packages/hackathon/CHANGELOG.md
+++ b/packages/hackathon/CHANGELOG.md
@@ -459,6 +459,12 @@
     * @looker/sdk bumped from 26.10.0 to 26.12.0
     * @looker/wholly-artifact bumped from 0.1.45 to 0.1.46
 
+### Dependencies
+
+* The following workspace dependencies were updated
+  * dependencies
+    * @looker/extension-utils bumped from 0.1.65 to 0.1.66
+
 ## [22.21.42](https://github.com/looker-open-source/sdk-codegen/compare/hackathon-v22.21.41...hackathon-v22.21.42) (2026-03-11)
 
 
diff --git a/packages/hackathon/package.json b/packages/hackathon/package.json
index 2600f827e..6d36b3bb0 100644
--- a/packages/hackathon/package.json
+++ b/packages/hackathon/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@looker/hackathon",
-  "version": "22.21.47",
+  "version": "22.21.48",
   "description": "Looker Hackathon extension",
   "main": "lib/esm/index.js",
   "typings": "lib/index.d.ts",
@@ -38,7 +38,7 @@
     "@looker/components": "^5.0.3",
     "@looker/extension-sdk": "26.12.0",
     "@looker/extension-sdk-react": "26.12.0",
-    "@looker/extension-utils": "0.1.65",
+    "@looker/extension-utils": "0.1.66",
     "@looker/icons": "^1.5.21",
     "@looker/sdk": "26.12.0",
     "@looker/sdk-rtl": "21.6.5",
diff --git a/packages/run-it/CHANGELOG.md b/packages/run-it/CHANGELOG.md
index 9ac4c774d..9ae56327e 100644
--- a/packages/run-it/CHANGELOG.md
+++ b/packages/run-it/CHANGELOG.md
@@ -349,6 +349,12 @@
     * @looker/sdk-codegen bumped from 21.11.4 to 26.12.0
     * @looker/sdk-codegen-utils bumped from 21.0.34 to 21.0.35
 
+### Dependencies
+
+* The following workspace dependencies were updated
+  * dependencies
+    * @looker/extension-utils bumped from 0.1.65 to 0.1.66
+
 ## [0.9.83](https://github.com/looker-open-source/sdk-codegen/compare/run-it-v0.9.82...run-it-v0.9.83) (2026-03-11)
 
 
diff --git a/packages/run-it/package.json b/packages/run-it/package.json
index 496b3b238..36e1f9030 100644
--- a/packages/run-it/package.json
+++ b/packages/run-it/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@looker/run-it",
-  "version": "0.9.88",
+  "version": "0.9.89",
   "description": "A dynamic REST request input form and response visualizer",
   "main": "lib/index.js",
   "module": "lib/esm/index.js",
@@ -55,7 +55,7 @@
     "@looker/code-editor": "0.1.55",
     "@looker/components": "^5.0.3",
     "@looker/design-tokens": "^3.1.3",
-    "@looker/extension-utils": "0.1.65",
+    "@looker/extension-utils": "0.1.66",
     "@looker/icons": "^1.5.21",
     "@looker/sdk": "26.12.0",
     "@looker/sdk-codegen": "26.12.0",