Core Changes

• Reland "[dynamicIO] warn for disallowed dynamic in dev": #71567
• next-upgrade: prompt (un)install only when there's a change: #71308
• chore(next-codemod): remove @next/font from optional Next.js packages to install: #71563
• [dynamicIO] Avoid triggering memory leak false positive with makeHangingPromise: #71576
• Avoid triggering memory leak false positive with makeHangingPromise: #71579
• Upgrade React from 65a56d0e-20241020 to 69d4b800-20241021: #71568
• avoid logging stacks for internal errors: #71575
• Avoid server action endpoint function indirection: #71572
• fix: handle terminal color in chrome console: #71581
• [dynamicIO] Update prerender to use Fizz prerender: #71580
• misc(next-upgrade): reuse process.cwd() value: #71558
• [dynamicIO]: dev navigations should show disallowed dynamic errors: #71595
• next-lint: Use ESLint v9 by default: #71371
• fix: prevent router errors from being logged on the client: #71583
• fix: next package resolving in dev overlay: #71632
• Improve type coverage of setup-dev-bundler: #71443
• fix(turbo-tasks): Implement ValueDebugFormat for ResolvedVc: #71173
• Add --turbopack CLI flag: #71657
• [dynamicIO] detect metadata boundaries in dev using server component stacks: #71666

Example Changes

• chore: Update with-supabase to be compatible with Nextjs 15: #71631
• Update Sanity example to next v15: #71640

Misc Changes

• docs(ppr): remove v14 mention for ppr: #71498
• docs: fix upgrade codemod command: #71578
• Turbopack: Always use blob: URLs for assets in middleware: #71471
• fix: metadata image route Windows path escaping: #71615
• fix: third-parties package peer dependency: #71620
• Fix module_resolution: "nodenext" with mjs or cjs: #71635
• react-sync: Automatically update peer dependencies in libraries: #71636
• chore(docs): fix typo in image.mdx docs: #71647
• docs: remove the canary note on instrumentation: #71649
• test: fix async api tests: #71652
• Enable source maps for pnpm debug: #71653
• codemod(turbopack): Rewrite more Vc fields in structs as ResolvedVc: #71172

Credits

Huge thanks to @gnoff, @devjiwonchoi, @samcx, @ztanner, @unstubbable, @huozhi, @mischnic, @lubieowoce, @eps1lon, @ivasilov, @styfle, @bgw, @stipsan, and @timneutkens for helping!