Write changelog for 8.6.0-alpha.3 [skip ci]

CHANGELOG.prerelease.md

@@ -1,3 +1,9 @@
+## 8.6.0-alpha.3
+
+- Core: Fix invalid Websocket termination - [#30408](https://github.com/storybookjs/storybook/pull/30408), thanks @valentinpalkovic!
+- Core: Improve type compatibility with React 19 - [#30031](https://github.com/storybookjs/storybook/pull/30031), thanks @mrginglymus!
+- Preview: Add `globals` to `extract()` - [#30415](https://github.com/storybookjs/storybook/pull/30415), thanks @ndelangen!
+
 ## 8.6.0-alpha.2
 
 - Addon Test: Support Vitest 3 browser.test.instances field - [#30309](https://github.com/storybookjs/storybook/pull/30309), thanks @valentinpalkovic!

code/package.json

@@ -298,5 +298,6 @@
         "Dependency Upgrades"
       ]
     ]
-  }
+  },
+  "deferredNextVersion": "8.6.0-alpha.3"
 }

docs/versions/next.json

@@ -1 +1 @@
-{"version":"8.6.0-alpha.2","info":{"plain":"- Addon Test: Support Vitest 3 browser.test.instances field - [#30309](https://github.com/storybookjs/storybook/pull/30309), thanks @valentinpalkovic!\n- Bun: Add support for text lock file - [#30160](https://github.com/storybookjs/storybook/pull/30160), thanks @Arctomachine!\n- CLI: Corrected Next.js createScript for pnpm. - [#30304](https://github.com/storybookjs/storybook/pull/30304), thanks @zhyd1997!"}}
+{"version":"8.6.0-alpha.3","info":{"plain":"- Core: Fix invalid Websocket termination - [#30408](https://github.com/storybookjs/storybook/pull/30408), thanks @valentinpalkovic!\n- Core: Improve type compatibility with React 19 - [#30031](https://github.com/storybookjs/storybook/pull/30031), thanks @mrginglymus!\n- Preview: Add `globals` to `extract()` - [#30415](https://github.com/storybookjs/storybook/pull/30415), thanks @ndelangen!"}}