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<code>useReportWebVitals</code> (LCP) Intermittently Not Reporting When User is Idle

PerformanceAnything with regards to Next.js performance.Anything with regards to Next.js performance.

Status: Open.

Bug

#86291 In vercel/next.js;

· samtbg opened on Nov 19, 2025

RSC Error with cookies() in layout.tsx when using basePath in Next.js 16

CookiesRelated to the async cookies() function.Related to the async cookies() function.

Dynamic RoutesRelated to dynamic routes.Related to dynamic routes.

Status: Open.

Bug

#86284 In vercel/next.js;

· Heet-Bhalodiya opened on Nov 19, 2025

Docs: Does Edge Runtime support <code>Buffer</code>?

Status: Open.

Documentation

#86281 In vercel/next.js;

· zaki-yama opened on Nov 19, 2025

proxy.ts is not being invoked on Vercel when using basePath on nextjs 16.0.3

MiddlewareRelated to Next.js Middleware.Related to Next.js Middleware.

Status: Open.

Bug

#86269 In vercel/next.js;

· nooraldarraji opened on Nov 18, 2025

next/image produces placeholders that render extremely slowly in firefox

Image (next/image)Related to Next.js Image Optimization.Related to Next.js Image Optimization.

Status: Open.

Bug

#86264 In vercel/next.js;

· RJWadley opened on Nov 18, 2025

Pages router: Using <code>shallow</code> "push/replace" with proxy/middleware rewrites, results in rendering previous route

Pages RouterRelated to Pages Router.Related to Pages Router.

Status: Open.

Bug

#86261 In vercel/next.js;

· BowlingX opened on Nov 18, 2025

notFound breaks Suspense in layout with cacheComponents enabled

Cache ComponentsRelated to the `cacheComponents`, `useCache`, or `ppr` experimental flags.Related to the `cacheComponents`, `useCache`, or `ppr` experimental flags.

linear: nextConfirmed issue that is tracked by the Next.js team.Confirmed issue that is tracked by the Next.js team.

Loading UI and StreamingRelated to loading UI (loading.tsx) and streaming.Related to loading UI (loading.tsx) and streaming.

Not FoundRelated to the not-found.tsx file or the notFound() function.Related to the not-found.tsx file or the notFound() function.

Status: Open.

Bug

#86251 In vercel/next.js;

· ottetz opened on Nov 18, 2025

Proxy negative matching not working when using i18n config on Vercel

Internationalization (i18n)Related to Internationalization with Next.js.Related to Internationalization with Next.js.

MiddlewareRelated to Next.js Middleware.Related to Next.js Middleware.

Status: Open.

Bug

#86241 In vercel/next.js;

· bmamone opened on Nov 18, 2025

reactMaxHeadersLength doesn't seem to work

ConnectionRelated to the connection() function.Related to the connection() function.

HeadersRelated to the async headers() function.Related to the async headers() function.

ReactRelated to React.Related to React.

Status: Open.

Bug

#86208 In vercel/next.js;

· lianulloa opened on Nov 17, 2025

not-found.tsx: Infinite Loop when a Component Calls router.refresh

Not FoundRelated to the not-found.tsx file or the notFound() function.Related to the not-found.tsx file or the notFound() function.

Status: Open.

Bug

#86197 In vercel/next.js;

· columk1 opened on Nov 17, 2025

hydration bug

Error HandlingRelated to handling errors (e.g., error.tsx, global-error.tsx).Related to handling errors (e.g., error.tsx, global-error.tsx).

ReactRelated to React.Related to React.

TurbopackRelated to Turbopack with Next.js.Related to Turbopack with Next.js.

Status: Open.

Bug

#86184 In vercel/next.js;

· AlexeyLoktev opened on Nov 16, 2025

Navigation to routes is blocked/delayed until prefetch requests complete in Next.js 16 with CacheComponents

Linking and NavigatingRelated to Next.js linking (e.g., <Link>) and navigation.Related to Next.js linking (e.g., <Link>) and navigation.

Loading UI and StreamingRelated to loading UI (loading.tsx) and streaming.Related to loading UI (loading.tsx) and streaming.

Status: Open.

Bug

#86182 In vercel/next.js;

· arfa123 opened on Nov 16, 2025