Core Changes

• Client directive: #40415
• Remove internal client next api detection: #40646
• Attach module trace for RSC related errors: #40652
• Use createFromFetch instead of createFromReadableStream to fetch Flight: #40656
• Change Flight response content type to application/octet-stream: #40665
• Send web vitals to Vercel analytics in app: #40669
• Refactor fetchServerResponse: #40674
• Port page and layout level API assertions to SWC transform: #40653
• Ensure smooth scroll is disabled for navigation in new and existing router: #40642
• Upgrade to latest React experimental: #40672
• Refine error messages: #40661
• Incldue styled-jsx in swc compiling: #40679
• misc: update caniuse-lite to latest: #40680
• Remove non existed exports and files: #40685
• fix(image): preload should respect crossOrigin: #40676
• Add handling for static generation in app: #40561
• Avoid direct React client API imports in the server graph: #40686

Example Changes

• chore: Migrate with-prefetching example to typescript: #40671
• chore: Refactor active-class-name example: #40670

Credits

Huge thanks to @huozhi, @shuding, @timneutkens, @hanneslund, @feedthejim, @SukkaW, and @HaNdTriX for helping!