Core Changes

• Allow passing port to next internal trace: #83907
• Turbopack: error when importing Typescript in node_modules: #83990
• Turbopack: Deterministic builds (prerender-manifest, .next/package.json, ./next/postcss.js): #84081

Misc Changes

• [turbopack] Consolodate logic for visiting functions to simplify state management: #82763
• [turbopack] Track the scope in which variables are assigned: #82845
• [turbopack] Set liveness of exports based on assignment analysis: #82802
• Turbopack: trace all state changes: #84053
• docs: We have dropped the CORS example linked: #84065
• docs: add pageExtensions note to Middleware and clarify default filename: #84045
• Fix TypeScript type error in example code: #84041
• Turbopack: fix test case and update project_update to turbo_tasks::run too: #83978
• Turbopack: run tests with multiple threads: #84074
• Turbopack: flush Node.js worker IPC on error: #84077

Credits

Huge thanks to @lukesandberg, @sokra, @mischnic, @icyJoseph, @Milancen123, and @martinfrancois for helping!