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jest-worker: "TypeError: Unexpected response from worker: undefined" when using dynamic Routes

Dynamic RoutesRelated to dynamic routes.Related to dynamic routes.

Status: Open.

Bug

#92836 In vercel/next.js;

· ale-grosselle opened on Apr 15, 2026

Docs and runtime disagree on Partytown package name for nextScriptWorkers

Script (next/script)Related to Next.js Script Optimization.Related to Next.js Script Optimization.

Status: Open.

Bug

#92827 In vercel/next.js;

· KrzysztofKarol opened on Apr 15, 2026

next/dynamic preloads missing crossOrigin setting

Lazy LoadingRelated to Next.js Lazy Loading (e.g., next/dynamic or React.lazy).Related to Next.js Lazy Loading (e.g., next/dynamic or React.lazy).

Status: Open.

Bug

#92797 In vercel/next.js;

· wvanrensselaer opened on Apr 14, 2026

Object.fromEntries(URLSearchParams) drops duplicate keys → stale UI on navigation

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

Status: Open.

Bug

#92787 In vercel/next.js;

· krivcikfilip opened on Apr 14, 2026

Memory leak in Next.js SSR under bun --bun next start

Status: Open.

Bug

#92778 In vercel/next.js;

· Playys228 opened on Apr 14, 2026

Hidden preserved route replays stale RedirectBoundary redirect on forward navigation when cacheComponents is enabled

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

RedirectsRelated to redirecting.Related to redirecting.

Status: Open.

Bug

#92767 In vercel/next.js;

· pigeon2gugu opened on Apr 14, 2026

Docs: Add full blog article text to the rss feed

ImprovementReport possible improvements to make in our documentationReport possible improvements to make in our documentation

Status: Open.

Documentation

#92748 In vercel/next.js;

· matthewruzzi opened on Apr 13, 2026

Malformed Origin header in Next.js Server Actions returns HTTP 500 instead of 400

Pages RouterRelated to Pages Router.Related to Pages Router.

Server ActionsRelated to Server Actions.Related to Server Actions.

Status: Open.

Bug

#92703 In vercel/next.js;

· FJRG2007 opened on Apr 12, 2026

Twice requesting the same route-specific client chunk with different initiators during App Router production navigation (Doubles Network Traffic!!!)

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

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

Status: Open.

Bug

#92689 In vercel/next.js;

· gurkerl83 opened on Apr 12, 2026

[Next 16 / React 19] Hydration Failure on BFCache restore after using browser back and forward button in dev mode

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.

Pages RouterRelated to Pages Router.Related to Pages Router.

Status: Open.

Bug

#92687 In vercel/next.js;

· luan-services opened on Apr 12, 2026

Fail to load worker-entrypoint.js in Next.js 16.2+ when COEP is 'require-corp'

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

Status: Open.

Bug

#92676 In vercel/next.js;

· lucach opened on Apr 12, 2026

localFont function from next/font isn't taking array of strings

Font (next/font)Related to Next.js Font Optimization.Related to Next.js Font Optimization.

Status: Open.

Bug

#92675 In vercel/next.js;

· codayon opened on Apr 12, 2026