ghengeveld · Oct 23, 2026 · Oct 17, 2026 · Oct 17, 2026 · Oct 17, 2026 · Oct 17, 2026
diff --git a/.agents/guidelines/chromatic-projects.md b/.agents/guidelines/chromatic-projects.md
@@ -0,0 +1,40 @@
+# Chromatic Projects
+
+Pass the project ID as `projectId` to the Chromatic tools. Sandbox projects are listed by template key. CI job names use the template's display name instead, and `code/lib/cli-storybook/src/sandbox-templates.ts` maps each display name to its key.
+
+| Project                                  | Project ID                         |
+| ---------------------------------------- | ---------------------------------- |
+| internal Storybook UI (`code/`)          | `Project:635781f3500dd2c49e189caf` |
+| `react-vite/default-ts`                  | `Project:630511d655df72125520f051` |
+| `react-vite/default-js`                  | `Project:6305104a03ce824473a88c65` |
+| `react-vite/prerelease-ts`               | `Project:6637a367fa5b4eaa26d92d25` |
+| `react-webpack/18-ts`                    | `Project:633c394125f29c2cbb5a4cac` |
+| `react-webpack/prerelease-ts`            | `Project:6637a3aad047d2bb1b3cbfe9` |
+| `react-native-web-vite/expo-ts`          | `Project:6739a507de968e78c90c81af` |
+| `nextjs/default-ts`                      | `Project:634ff0d0ec053b270775979d` |
+| `nextjs/15-ts`                           | `Project:68fa3e766deb52421c1acf27` |
+| `nextjs/prerelease`                      | `Project:6527cbbdfc5de6c10b0bbe2b` |
+| `nextjs-vite/default-ts`                 | `Project:66b1e47012f95c6f90c8882e` |
+| `nextjs-vite/15-ts`                      | `Project:68fa3c0353a6ab43d601462f` |
+| `tanstack-react-router/default-ts`       | `Project:69f08674491608f953c605b2` |
+| `tanstack-react-start/default-ts`        | `Project:69f0872a77e679e347550cfe` |
+| `angular-cli/default-ts`                 | `Project:6322ce6af69825592bbb28fc` |
+| `angular-vite/default-ts`                | `Project:6a021028c2f37c1d2f640723` |
+| `angular-vite/21-ts`                     | `Project:6a39460ac63cf417c1a079ff` |
+| `vue3-vite/default-ts`                   | `Project:630513346a8e284ae244d415` |
+| `vue3-vite/default-js`                   | `Project:630513046a8e284ae244cab4` |
+| `vue3-vite/prerelease-ts`                | `Project:6acf97c724e2b86a56912992` |
+| `svelte-vite/default-ts`                 | `Project:630873996e4e3557791c069c` |
+| `svelte-vite/default-js`                 | `Project:6308736456ad2046275c0ae7` |
+| `svelte-kit/skeleton-ts`                 | `Project:634ff6954afef8aae1c1b29b` |
+| `lit-vite/default-ts`                    | `Project:638db5bf49adfdfe8cf545e0` |
+| `lit-vite/default-js`                    | `Project:638db567ed97c3fb3e21cc22` |
+| `preact-vite/default-ts`                 | `Project:63b588a512565bfaace15e7c` |
+| `preact-vite/default-js`                 | `Project:63b5884a12565bfaace14c83` |
+| `html-vite/default-ts`                   | `Project:63dd39a158cf6fc05199b4bb` |
+| `html-vite/default-js`                   | `Project:63dd397461b9918f7bdd988e` |
+| `internal/react18-webpack-babel`         | `Project:659810cb7e778e400627527a` |
+| `bench/react-vite-default-ts-test-build` | `Project:6544b941802d9ff884a3f74d` |
+| `bench/react-webpack-18-ts-test-build`   | `Project:6544b98f47ff41fd955b43cb` |
+
+When you add or remove a template that runs the `chromatic` task, update this table in the same PR.
diff --git a/.agents/skills/rebuild-restart-storybook/SKILL.md b/.agents/skills/rebuild-restart-storybook/SKILL.md
@@ -33,7 +33,7 @@ yarn build storybook <extra packages>
 Then, run in the background:
 
 ```bash
-NODE_OPTIONS="--preserve-symlinks" yarn storybook:ui --no-open
+NODE_OPTIONS="--preserve-symlinks" yarn storybook:ui
 ```
 
 ### Handle an occupied port

diff --git a/.agents/skills/storybook-startup-benchmark/SKILL.md b/.agents/skills/storybook-startup-benchmark/SKILL.md
@@ -26,7 +26,7 @@ When asked to benchmark Storybook startup:
    - Stop timing on first story mount plus one `requestAnimationFrame()`
 2. Check whether the repo already has a benchmark script. Reuse it if possible.
 3. If not, create a Node script that:
-   - starts Storybook with `--no-open`
+   - starts Storybook without opening a browser
    - waits for the server to respond
    - launches a browser it controls
    - waits for a preview-side render signal
@@ -41,7 +41,7 @@ Use these defaults unless the user asks otherwise:
 - Browser path: normal manager page, let Storybook load the preview iframe itself
 - Render signal: first preview story mount + one `requestAnimationFrame()`
 - Browser launch: external harness launches the browser, not Storybook
-- Auto-open: disable Storybook browser auto-open with `storybook dev --no-open`
+- Auto-open: keep Storybook from opening a browser. Storybook 11 opens one only with `--open`; Storybook 10 and older need `--no-open`
 
 Do not measure only CLI output. Server listening is not the same as first story rendered.
 
@@ -70,7 +70,7 @@ Preferred payload:
 The benchmark script should:
 
 1. Fail fast if the target Storybook port is already in use
-2. Spawn Storybook with `--no-open`
+2. Spawn Storybook without opening a browser
 3. Start timing immediately before spawn
 4. Wait for HTTP readiness on the Storybook URL
 5. Launch a controlled browser to `/`

diff --git a/AGENTS.md b/AGENTS.md
@@ -31,6 +31,7 @@ Both start long-running dev servers.
 | open or update a PR                                       | [Pull requests](.agents/guidelines/pull-requests.md)                                                            |
 | touch `code/core` internals, presets, open services, or the tools CLI | [Architecture](.agents/guidelines/architecture.md)                                                  |
 | do sandbox, E2E, or CI-parity work                        | [NX and `yarn task`](.agents/guidelines/nx-and-yarn-task.md) and [Sandboxes](.agents/guidelines/sandboxes.md)   |
+| call a Chromatic tool or debug a Chromatic build          | [Chromatic projects](.agents/guidelines/chromatic-projects.md)                                                  |
 | add or change an automigration                            | [`code/lib/cli-storybook/src/automigrate/README.md`](code/lib/cli-storybook/src/automigrate/README.md)          |
 
 Contributor skills live in `.agents/skills/`; `.claude/skills/` references them.

diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## 10.6.3
+
+- Addon Vitest: Support Vitest 5 - [#36671](https://github.com/storybookjs/storybook/pull/36671), thanks @PaulMest!
+- Next.js: Fix app-router mock crash on Next.js 16.4 - [#36588](https://github.com/storybookjs/storybook/pull/36588), thanks @obvious-autobuild!
+- Nextjs-Vite: Provide parentRenderTree.bfcacheId in app router mock - [#36732](https://github.com/storybookjs/storybook/pull/36732), thanks @bhushan4work!
+- TypeScript: Explicitly type returntype of ArgsStore#get - [#36583](https://github.com/storybookjs/storybook/pull/36583), thanks @mrginglymus!
+
 ## 10.6.2
 
 - Angular-Vite: Require @analogjs/vite-plugin-angular 2.7.3 or later - [#36525](https://github.com/storybookjs/storybook/pull/36525), thanks @valentinpalkovic!

diff --git a/CHANGELOG.prerelease.md b/CHANGELOG.prerelease.md
@@ -1,3 +1,26 @@
+## 11.0.0-alpha.8
+
+- Addon-Docs: Prevent source transform from being applied twice on docs pages - [#36061](https://github.com/storybookjs/storybook/pull/36061), thanks @webdevsamran!
+- Angular: Read Component Metadata From Ivy Declarations - [#36780](https://github.com/storybookjs/storybook/pull/36780), thanks @dvmhmdsd!
+- Builder Vite: Report silent vite config discovery misses with a named warning - [#36788](https://github.com/storybookjs/storybook/pull/36788), thanks @obvious-autobuild!
+- CSF: Run csf-tools on OXC instead of Babel - [#36613](https://github.com/storybookjs/storybook/pull/36613), thanks @EastonShin!
+- Core: Exempt chromatic from release-age gates alongside the Chromatic addon - [#36910](https://github.com/storybookjs/storybook/pull/36910), thanks @valentinpalkovic!
+- Core: Skip TypeScript loader hook registration under Jest - [#36790](https://github.com/storybookjs/storybook/pull/36790), thanks @obvious-autobuild!
+- Manager: Improve UI stability on onboarding checklist - [#36341](https://github.com/storybookjs/storybook/pull/36341), thanks @Sidnioulz!
+- Manager: Type index titles by their contents - [#36659](https://github.com/storybookjs/storybook/pull/36659), thanks @valentinpalkovic!
+- PNPM: Preapprove esbuild postinstall when possible - [#36758](https://github.com/storybookjs/storybook/pull/36758), thanks @Sidnioulz!
+- React renderer: Prebundle react so Vitest browser mode can link React's default export - [#36824](https://github.com/storybookjs/storybook/pull/36824), thanks @obvious-autobuild!
+- React: Alias preview React from the renderer preset - [#36841](https://github.com/storybookjs/storybook/pull/36841), thanks @ndelangen!
+- Svelte: Accept preview.meta() in Svelte CSF files - [#36691](https://github.com/storybookjs/storybook/pull/36691), thanks @JReinhold!
+- Svelte: Add CSF factories with definePreview - [#36669](https://github.com/storybookjs/storybook/pull/36669), thanks @JReinhold!
+- Svelte: Migrate Svelte CSF files to CSF factories and run the Svelte sandboxes with them - [#36702](https://github.com/storybookjs/storybook/pull/36702), thanks @JReinhold!
+- Svelte: Remove deprecated parameters.component path - [#36813](https://github.com/storybookjs/storybook/pull/36813), thanks @ndelangen!
+- TanstackReact: Fix accross typo in path-utils comment - [#36634](https://github.com/storybookjs/storybook/pull/36634), thanks @obvious-autobuild!
+- WC: Keep properties named like an unrelated attribute - [#36862](https://github.com/storybookjs/storybook/pull/36862), thanks @huang-julien!
+- WC: Normalize multiline type text in WC arg type parsing - [#36805](https://github.com/storybookjs/storybook/pull/36805), thanks @huang-julien!
+- WC: Read WC meta.component through a spread of a local meta object - [#36812](https://github.com/storybookjs/storybook/pull/36812), thanks @huang-julien!
+- WC: Skip undefined and null args in the web components default render - [#36806](https://github.com/storybookjs/storybook/pull/36806), thanks @huang-julien!
+
 ## 11.0.0-alpha.7
 
 - Addon Themes: Declare the package as an ES module - [#36721](https://github.com/storybookjs/storybook/pull/36721), thanks @ump45nose!