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Warning about multiple lockfiles in monorepo since Next.js | 15.4.6

Status: Open.

Bug

#82689 In vercel/next.js;

· MwSpaceLLC opened on Aug 15, 2025

Docs: <code>experimental.nodeMiddleware</code> is missing from latest <code>v15.4.2-canary.47</code> while docs states it is stable at future <code>v15.5</code>

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

Status: Open.

Documentation

#82662 In vercel/next.js;

· cxllmerichie opened on Aug 14, 2025

[Canary] use cache + next/dynamic fails in dev mode but works in prod — Next.js 15.4.2-canary.46

Status: Open.

Bug

#82650 In vercel/next.js;

· NGR-NP opened on Aug 14, 2025

Next.js 15.4.4+ production builds broken when using a specific 3rd-party-library - dev server is fine

Status: Open.

Bug

#82640 In vercel/next.js;

· soulchild opened on Aug 14, 2025

Building Next.js is materially slower when adding a WORKDIR to a Dockerfile

OutputRelated to the the output configuration option.Related to the the output configuration option.

Status: Open.

Bug

#82625 In vercel/next.js;

· paulzakin opened on Aug 13, 2025

onRequestError is not triggered when otel is enabled since Next.js 15.4.0

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

Status: Open.

Bug

#82612 In vercel/next.js;

· yiminghe opened on Aug 13, 2025

testProxy breaks axios with Basic Auth

RuntimeRelated to Node.js or Edge Runtime with Next.js.Related to Node.js or Edge Runtime with Next.js.

Status: Open.

Bug

#82611 In vercel/next.js;

· jokklan opened on Aug 13, 2025

[Regression] Image optimizer fails to serve images on routes requiring autorization

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

Status: Open.

Bug

#82610 In vercel/next.js;

· jakobmerrild opened on Aug 13, 2025

[Turbopack] Material UI pages router causing hydration error with mismatching css classnames

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

Status: Open.

Bug

#82607 In vercel/next.js;

· alexbrazier opened on Aug 13, 2025

[Turbopack] Build: The high bits of the position 1401321 are not all 0s or 1s: 1

linear: turbopackConfirmed issue that is tracked by the Turbopack team.Confirmed issue that is tracked by the Turbopack team.

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

Status: Open.

Bug

#82584 In vercel/next.js;

· AleksandarDev opened on Aug 12, 2025

Docs: NextRouter was not mounted when building with NODE_ENV set to development

Status: Open.

Documentation

#82574 In vercel/next.js;

· MauriceArikoglu opened on Aug 12, 2025

[Turbopack] Colour styles break when using light-dark()

CSSRelated to CSS.Related to CSS.

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

Status: Open.

Bug

#82559 In vercel/next.js;

· suuf opened on Aug 12, 2025