Issues

• Link click never commits when the navigation starts during the target's metadata-only prefetch (16.2.6, CPU-constrained)

  Linking and NavigatingMetadata
  vercel/next.js#100436 · Filter by author akirilyuk opened on Oct 20, 2026

• Endless segment prefetch when a redirected link's prefetch is answered with a 307 (since 16.3.1-canary.16)

  Linking and NavigatingRedirects
  vercel/next.js#100431 · Filter by author kang8 opened on Oct 20, 2026

• Pages Router: next/dynamic renders the loading state for concurrent SSR requests

  Lazy LoadingPages RouterWebpack
  Bug

  vercel/next.js#100410 · Filter by author lnuvy opened on Oct 19, 2026

• Middleware rewrite drops an empty _rsc, so a Server Action's redirect() fetch loops until "redirect count exceeded"

  MiddlewareServer Actions
  vercel/next.js#100398 · Filter by author richardwattie opened on Oct 19, 2026

• Catch-all route on Vercel: server-side usePathname() percent-encodes slashes (/a%2Fb%2Fc) for paths not returned by generateStaticParams

  Dynamic RoutesRuntime
  vercel/next.js#100386 · Filter by author glenn-jocher opened on Oct 19, 2026

• Turbopack: dependent of an async module without top-level await can read its exports before they are registered (x is not a function, cached for the process lifetime)

  Pages RouterRuntimeTurbopack
  vercel/next.js#100385 · Filter by author yunsii opened on Oct 19, 2026

• Turbopack: lazy import.meta.glob entries are not code-split and load with the page

  Lazy LoadingModule ResolutionTurbopack
  Bug

  vercel/next.js#100381 · Filter by author roqqq3 opened on Oct 19, 2026

• turbopackRustReactCompiler: named class expression is renamed (_Foo → _Foo1) but its self-references are not → ReferenceError: _Foo is not defined

  vercel/next.js#100376 · Filter by author dreamfliper opened on Oct 19, 2026

• next dev on Node 24: every server reload that goes through deleteCache keeps the previous compilation alive (Node's private module-parent links)

  vercel/next.js#100367 · Filter by author naderramez opened on Oct 18, 2026

• Cache Components: short-lived "use cache" entry served from the cache handler during warming is never marked in the Resume Data Cache, so every route warns "Unexpected cache miss"

  vercel/next.js#100364 · Filter by author shunkakinoki opened on Oct 18, 2026

• 'use cache': a read after updateTag() joins another request's in-flight fill and returns the old data

  Bug

  vercel/next.js#100345 · Filter by author jaARke opened on Oct 17, 2026
  4

• Turbopack: after a persistent build-cache restore, webpack loaders run on the previous build's file content, and stateful loaders ship it

  CSSTurbopack
  vercel/next.js#100326 · Filter by author theravengroup opened on Oct 16, 2026
  4

• Turbopack 16.4 traces every package.json dependency into a route that imports wasm from a workspace package

  OutputTurbopack
  vercel/next.js#100314 · Filter by author wodka-bot opened on Oct 16, 2026
  1

• turbopackModuleFragments: next build fails with "ReferenceError: Cannot access '…' before initialization"

  Pages RouterTurbopack
  vercel/next.js#100304 · Filter by author manwook-han opened on Oct 16, 2026

• Turbopack ignores a runtime assetPrefix, so Pages Router never hydrates (webpack works)

  Turbopack
  vercel/next.js#100303 · Filter by author quicksilversel opened on Oct 16, 2026
  1

• Turbopack (App Router): route react-loadable-manifest names an unemitted chunk when a layout's next/dynamic gate is also reached from the page (preload 404)

  Lazy LoadingTurbopack
  vercel/next.js#100293 · Filter by author ysfsarikaya opened on Oct 16, 2026

• next dev: EPERM during Watchpack's initial scan silently drops a route directory (hangs, then 404 until restart)

  TurbopackWebpack
  Bug

  vercel/next.js#100268 · Filter by author gsnetland69 opened on Oct 15, 2026

• next dev reloads a page in a loop after a restart with a changed NEXT_PUBLIC_ value (Turbopack dev cache, 16.4)

  Turbopack
  Bug

  vercel/next.js#100267 · Filter by author samuelcole opened on Oct 15, 2026
  2

• Turbopack: client-reference manifests and server chunks grow on 16.4 (standalone output larger, server RSS up)

  vercel/next.js#100260 · Filter by author nextor2k opened on Oct 15, 2026
  4

• cacheComponents: redirect() during a background revalidation is cached as 308 without a Location header

  Redirects
  vercel/next.js#100255 · Filter by author manuatgit opened on Oct 15, 2026
  1

• Turbopack: tab reloads forever after restarting next dev (first HMR update is restart, regression in 16.4.0)

  Turbopack
  vercel/next.js#100251 · Filter by author dgomez-orangeloops opened on Oct 15, 2026

• Turbopack: on a 2,000-route app, a warm next build is slower than a cold one, and 192 CPUs are slower than 24

  PerformanceTurbopack
  vercel/next.js#100250 · Filter by author ejc3 opened on Oct 15, 2026
  8

• new URL() to a package in serverExternalPackages is treated as a require() (Turbopack warning, webpack build error)

  Module ResolutionTurbopackWebpack
  vercel/next.js#100227 · Filter by author HardMax71 opened on Oct 15, 2026

• Turbopack: next/font/google drops the metric-adjusted fallback face when fallback is set (webpack emits both)

  Font (next/font)Turbopack
  vercel/next.js#100221 · Filter by author FirstReefco opened on Oct 15, 2026

• React error #419 reported for notFound() streamed into a Suspense boundary

  Error HandlingLoading UI and StreamingNot Found
  vercel/next.js#100219 · Filter by author AdzerKI opened on Oct 15, 2026