8.0.0-beta.6

• Addon-onboarding: Move onboarding to monorepo - #26176, thanks @ndelangen!
• Angular: Fix Storybook startup after init - #26213, thanks @valentinpalkovic!
• Angular: Use dedicated tsconfig for compodocs - #26214, thanks @kasperpeulen!
• Automigration: Fix overflow bug by using a better link - #26203, thanks @kasperpeulen!
• Automigration: Run the mdx-to-csf codemod during automigration - #26201, thanks @ndelangen!
• Automigrations: Create addon-postcss automigration - #26228, thanks @valentinpalkovic!
• Automigrations: Enhance experience for upgrades from Storybook 6 to 8 - #26067, thanks @valentinpalkovic!
• Automigrations: General fixes for automigrations, blockers and codemods - #26210, thanks @valentinpalkovic!
• Blocks: Fix Stories block rendering duplicate stories when globals are changed - #26110, thanks @JReinhold!
• Builder Vite: Pass on errors about not having a real stats object in smoke tests - #26195, thanks @tmeasday!
• CLI: Rename --webpack-stats-json to --stats-json as it works in Vite - #26128, thanks @tmeasday!
• Codemods: Enhance mdx-to-csf codemod - #26164, thanks @valentinpalkovic!
• Core: Export preview symbols for embedding - #26224, thanks @tmeasday!
• Docs: Don't show how to setup controls for empty argTypes in doc pages - #26200, thanks @kasperpeulen!
• Docs: Fix function prop rendering as noRefCheck in storybook docs - #26104, thanks @thisisanto!
• Doctor: Add dynamic check for incompatible Storybook packages - #26219, thanks @yannbf!
• Maintenance: Remove deprecation of manager-api's types export - #26202, thanks @ndelangen!
• Revert "Revert: "Angular: Reduce the warnings from ts-loader via stricter list of includes"" - #26226, thanks @ndelangen!
• Revert: "Angular: Reduce the warnings from ts-loader via stricter list of includes" - #26208, thanks @kasperpeulen!
• UI: Improve sidebar performance when switching stories - #26184, thanks @literalpie!
• UI: Update theme switcher to use toggle button for two themes - #25682, thanks @ivoilic!
• Vue: Improve types for array, union and intersection when using vue-docgen-api - #26177, thanks @larsrickert!