diff --git a/CHANGELOG.prerelease.md b/CHANGELOG.prerelease.md
index 50b6307af8c..c32a6fcd1b0 100644
--- a/CHANGELOG.prerelease.md
+++ b/CHANGELOG.prerelease.md
@@ -1,3 +1,19 @@
+## 9.0.0-alpha.12
+
+- Addon-A11y: Various improvements - [#30774](https://github.com/storybookjs/storybook/pull/30774), thanks @ghengeveld!
+- Addon-Test: Migrate to new test provider API, drop Vitest 2 support - [#30875](https://github.com/storybookjs/storybook/pull/30875), thanks @JReinhold!
+- Angular: Fix zone.js support for Angular libraries - [#30941](https://github.com/storybookjs/storybook/pull/30941), thanks @valentinpalkovic!
+- Core: Fix flaky unit tests related to stores - [#30963](https://github.com/storybookjs/storybook/pull/30963), thanks @JReinhold!
+- Core: Fix telemetry error on Storybok UI - [#30953](https://github.com/storybookjs/storybook/pull/30953), thanks @yannbf!
+- Maintenance: Drop tooling support - [#30940](https://github.com/storybookjs/storybook/pull/30940), thanks @valentinpalkovic!
+- Maintenance: Remove deprecated APIs - [#30926](https://github.com/storybookjs/storybook/pull/30926), thanks @valentinpalkovic!
+- Maintenance: Remove obsolete automigrations - [#30945](https://github.com/storybookjs/storybook/pull/30945), thanks @valentinpalkovic!
+- Manager: Fix `Uncaught ReferenceError: global is not defined` - [#30970](https://github.com/storybookjs/storybook/pull/30970), thanks @JReinhold!
+- Next.js-Vite: Stabilize @storybook/experimental-nextjs-vite - [#30956](https://github.com/storybookjs/storybook/pull/30956), thanks @valentinpalkovic!
+- Preact: Remove support for Preact Webpack 5 - [#30957](https://github.com/storybookjs/storybook/pull/30957), thanks @valentinpalkovic!
+- UI: Visual tweaks to badges and improved layout for a11y panel - [#30955](https://github.com/storybookjs/storybook/pull/30955), thanks @ghengeveld!
+- Vue3: Remove support for Webpack 5 - [#30958](https://github.com/storybookjs/storybook/pull/30958), thanks @valentinpalkovic!
+
 ## 9.0.0-alpha.11
 
 - Addons: Move @storybook/addon-interactions into core - [#30916](https://github.com/storybookjs/storybook/pull/30916), thanks @valentinpalkovic!
diff --git a/code/package.json b/code/package.json
index 9ec363982bf..aa1671d7127 100644
--- a/code/package.json
+++ b/code/package.json
@@ -289,5 +289,6 @@
         "Dependency Upgrades"
       ]
     ]
-  }
+  },
+  "deferredNextVersion": "9.0.0-alpha.12"
 }
diff --git a/docs/versions/next.json b/docs/versions/next.json
index b1d479531a0..0a974ff225a 100644
--- a/docs/versions/next.json
+++ b/docs/versions/next.json
@@ -1 +1 @@
-{"version":"9.0.0-alpha.11","info":{"plain":"- Addons: Move @storybook/addon-interactions into core - [#30916](https://github.com/storybookjs/storybook/pull/30916), thanks @valentinpalkovic!\n- Nextjs: Fix styled-jsx optimize vite warnings - [#30932](https://github.com/storybookjs/storybook/pull/30932), thanks @kasperpeulen!\n- React: Fix actImplementation is not a function - [#30929](https://github.com/storybookjs/storybook/pull/30929), thanks @kasperpeulen!"}}
+{"version":"9.0.0-alpha.12","info":{"plain":"- Addon-A11y: Various improvements - [#30774](https://github.com/storybookjs/storybook/pull/30774), thanks @ghengeveld!\n- Addon-Test: Migrate to new test provider API, drop Vitest 2 support - [#30875](https://github.com/storybookjs/storybook/pull/30875), thanks @JReinhold!\n- Angular: Fix zone.js support for Angular libraries - [#30941](https://github.com/storybookjs/storybook/pull/30941), thanks @valentinpalkovic!\n- Core: Fix flaky unit tests related to stores - [#30963](https://github.com/storybookjs/storybook/pull/30963), thanks @JReinhold!\n- Core: Fix telemetry error on Storybok UI - [#30953](https://github.com/storybookjs/storybook/pull/30953), thanks @yannbf!\n- Maintenance: Drop tooling support - [#30940](https://github.com/storybookjs/storybook/pull/30940), thanks @valentinpalkovic!\n- Maintenance: Remove deprecated APIs - [#30926](https://github.com/storybookjs/storybook/pull/30926), thanks @valentinpalkovic!\n- Maintenance: Remove obsolete automigrations - [#30945](https://github.com/storybookjs/storybook/pull/30945), thanks @valentinpalkovic!\n- Manager: Fix `Uncaught ReferenceError: global is not defined` - [#30970](https://github.com/storybookjs/storybook/pull/30970), thanks @JReinhold!\n- Next.js-Vite: Stabilize @storybook/experimental-nextjs-vite - [#30956](https://github.com/storybookjs/storybook/pull/30956), thanks @valentinpalkovic!\n- Preact: Remove support for Preact Webpack 5 - [#30957](https://github.com/storybookjs/storybook/pull/30957), thanks @valentinpalkovic!\n- UI: Visual tweaks to badges and improved layout for a11y panel - [#30955](https://github.com/storybookjs/storybook/pull/30955), thanks @ghengeveld!\n- Vue3: Remove support for Webpack 5 - [#30958](https://github.com/storybookjs/storybook/pull/30958), thanks @valentinpalkovic!"}}