8.1.0-alpha.8

• Addon-actions: Fix falsy args printing as object - 22163 - #26917, thanks @Fatcat560!
• Addon-docs: Fix MDX compilation with @vitejs/plugin-react-swc and plugins - #26837, thanks @JReinhold!
• Automigration: Fix name of VTA addon - #26816, thanks @valentinpalkovic!
• Blocks: Add of prop to Subtitle - #22552, thanks @joaonunomota!
• Blocks: Add of prop to Title - #23728, thanks @Sidnioulz!
• CSF: Fix typings for control and other properties of argTypes - #26824, thanks @kasperpeulen!
• Controls: Added server channel to create a new story - #26769, thanks @valentinpalkovic!
• Controls: Fix crashing when docgen extraction partially fails - #26862, thanks @yannbf!
• Controls: Add UI to create new story files - #26875, thanks @valentinpalkovic!
• Core: Drop unneeded UPDATE_STORY_ARGS which was for SSv6 - #25993, thanks @tmeasday!
• Core: Ensure that simultaneous onStoriesChanged don't clobber each other - #26882, thanks @tmeasday!
• Core: Fix filters not being applied in WebKit - #26949, thanks @JReinhold!
• Core: Implement file formatter - #26809, thanks @valentinpalkovic!
• Core: Save from controls - #26827, thanks @ndelangen!
• Dependencies: Upgrade @storybook/csf to 0.1.5 - #26958, thanks @Cherry!
• Doc Tools: Signature Type Error Handling - #26774, thanks @ethriel3695!
• Docs: Fix providerImportSource extension - #26868, thanks @bashmish!
• MDX: Don't transform http:// links - #26488, thanks @JReinhold!
• Next.js: Move sharp into optional deps - #26787, thanks @shuta13!
• Next.js: Support v14.2 useParams functionality - #26874, thanks @yannbf!
• Portable Stories: Warn when rendering stories without cleaning up first - #27008, thanks @JReinhold!
• React: Support v19 in react-dom-shim - #26898, thanks @Tobbe!
• Test: Remove chai as dependency of @storybook/test - #26852, thanks @kasperpeulen!
• Test: Support module mocking with conditional subpath imports in package.json - #26688, thanks @kasperpeulen!
• UI: Fix not re-rendering tabs on state change - #26899, thanks @lifeiscontent!
• UI: Fix sidebar search hanging when selecting a story in touch mode - #26807, thanks @JReinhold!
• Vite: Merge assetsInclude property with Storybook default values - #26860, thanks @yuemori!