Issues

• next analyze export fails with ENOENT on an icon route that uses generateImageMetadata

  MetadataTurbopack
  vercel/next.js#99970 · Filter by author Wizzlesky124 opened on Oct 10, 2026

• Turbopack keeps unused exports of a namespace reached through another namespace (lib.core.X)

  PerformanceTurbopack
  vercel/next.js#99954 · Filter by author colinhacks opened on Oct 9, 2026

• Unused imports in generated .next/dev/types/validator.ts fail type-check with noUnusedLocals for metadata-only apps (since 16.4.0)

  TypeScript
  vercel/next.js#99919 · Filter by author lyonzin opened on Oct 9, 2026

• Code frames in next dev keep the startup terminal width after the terminal is resized

  Error Handling
  vercel/next.js#99915 · Filter by author awss1i opened on Oct 9, 2026
  1

• Server action that calls notFound() without JavaScript renders the not-found page without the root layout

  Not FoundServer Actions
  vercel/next.js#99913 · Filter by author HardMax71 opened on Oct 9, 2026

• Vercel: launcher crashes with Cannot find module './.next/server/pages/_next/image.js' when an image optimizer local source returns 5xx

  Image (next/image)Runtime
  Bug

  vercel/next.js#99911 · Filter by author arjenblokzijl opened on Oct 9, 2026
  1

• useServerInsertedHTML output is duplicated in prerendered HTML with cacheComponents

  CSS
  vercel/next.js#99905 · Filter by author dgattey opened on Oct 8, 2026

• Entries regenerated after revalidateTag(tag, profile) are expired again when the profile's expire window ends

  vercel/next.js#99903 · Filter by author awss1i opened on Oct 8, 2026
  1

• Turbopack removes an IIFE in production builds when its inner callee is annotated /* @__PURE__ */

  SWCTurbopack
  Bug

  vercel/next.js#99897 · Filter by author oenstrom opened on Oct 8, 2026

• @next/routing doesn't match dynamic API routes when i18n is configured

  Dynamic Routes
  Bug

  vercel/next.js#99895 · Filter by author oskari opened on Oct 8, 2026

• Turbopack builds fail for edge route handlers when cacheHandlers is set

  Turbopack
  Bug

  vercel/next.js#99894 · Filter by author oskari opened on Oct 8, 2026

• A stale "use cache" hit replaces its own entry in the Resume Data Cache with the background revalidation, so dev reports uncached data and the runtime prefetch loses the entry

  Bug

  vercel/next.js#99884 · Filter by author giovannetti-eric opened on Oct 8, 2026

• cacheComponents: page past its expire returns 500 because unstable_cache skips the resume data cache (NEXT_STATIC_GEN_BAILOUT)

  vercel/next.js#99866 · Filter by author tdejager opened on Oct 8, 2026

• revalidateTag(tag, 'max') cancels an earlier revalidateTag(tag, { expire: 0 }) on the same tag

  vercel/next.js#99862 · Filter by author kuuak opened on Oct 8, 2026

• cacheComponents: client navigation to a generateStaticParams path crashes with React #412 when a custom cacheHandler misses (fallback shell served as static RSC)

  Dynamic RoutesLinking and Navigating
  vercel/next.js#99861 · Filter by author tdejager opened on Oct 8, 2026

• turbopackModuleFragments: build panics with "ModuleId not found for ident ... [app-client] (ecmascript) <internal part 0>" when a function from a "use client" module is passed as a prop

  Turbopack
  Bug

  vercel/next.js#99856 · Filter by author stefanprobst opened on Oct 8, 2026

• next build hangs when a static generation worker batch exceeds V8 max string length

  Bug

  vercel/next.js#99850 · Filter by author AdzerKI opened on Oct 8, 2026

• Default "use cache" handler: small entries pin whole Buffer pool slabs, so memory far exceeds cacheMaxMemorySize (Node 26: 22x)

  Cache ComponentsPerformanceRuntime
  vercel/next.js#99848 · Filter by author thianphat opened on Oct 8, 2026

• Navigation does not scroll to top when the page content suspends without a fallback

  vercel/next.js#99843 · Filter by author AdzerKI opened on Oct 8, 2026

• Strict route matching drops a page in one route group when a sibling route group has a @slot/[...catchAll]

  Parallel & Intercepting Routes
  Bug

  vercel/next.js#99830 · Filter by author adamtowerz opened on Oct 7, 2026
  3

• cacheComponents: sync IO (Math.random/Date.now) in a client component drops the Suspense boundary's root element on PPR resume (#418)

  Bug

  vercel/next.js#99815 · Filter by author sannajammeh opened on Oct 7, 2026
  1

• Next 16.4: turbopackSharedRuntime inlines the bootstrap into the prerendered shell without a nonce, breaking hydration under a nonce CSP (cacheComponents)

  vercel/next.js#99800 · Filter by author stperic opened on Oct 7, 2026

• notFound() in a page serves an empty __next_error__ shell (no root layout, no lang, no not-found UI) in the server HTML

  Error HandlingInternationalization (i18n)Not Found
  vercel/next.js#99793 · Filter by author p11yadrian opened on Oct 7, 2026

• App Router repeatedly retries hydration while a client component chunk is loading

  PerformanceRuntime
  vercel/next.js#99792 · Filter by author filipzapletalcs opened on Oct 7, 2026

• @next/codemod agents-md: docs root is relative to the cwd, not to the --output file (breaks monorepos)

  bug
  vercel/next.js#99771 · Filter by author Stanzilla opened on Oct 7, 2026
  1