next.js

Core Changes

• Ensure module contexts are always included in adapter traces: #89508

Credits

Huge thanks to @ijjk for helping!

Core Changes

• Add experimental.reportSystemEnvInlining for Turbopack: #89304
• fix: use signal-based exit codes to prevent inspector blocking exit: #89351
• Add Instant Navigation Testing API: #89465
• Support MPA navigations in instant(): #89469
• Handle Pages data route skew with deployment id header, take 2: #89325
• Include owner stack for forwarded errors if available: #89493
• [CC]...

[!NOTE] This release is backporting bug fixes. It does not include all pending features/changes on canary.

• fix unlock in publish-native

This is a re-release of v15.5.11 applying the turbopack changes.

Example Changes

• chore(examples): remove with-recoil exmaple: #81836

Misc Changes

• Don't upload build cache for deployment tests: #89432
• Fix indentation of types of tests in docs: #89409
• Add separate E2E deploy env for turbopack tests: #89458
• Turbopack: Symbol.for and keyFor are sideeffect-free: #89454

Credits

Huge thanks to @mischnic, @JamBalaya56562, @wheresrhys, and...

Core Changes

• Replace flight navigation build id field with header: #88855
• Upgrade React from da641178-20260129 to ed4bd540-20260202: #89401
• Upgrade React from ed4bd540-20260202 to b1533b03-20260203: #89444
• Upgrade React from b1533b03-20260203 to 3e00319b-20260203: #89449
• Rename CACHE_ONE_YEAR for clarity and fix usage: #89450
• [Codemod] Fix agents-md on Windows: #89319...

Core Changes

• Turbopack: FreeVarReference::ReportUsage: #89302
• Make Server Function logging opt-in via logging.serverFunctions: #89321
• Restore default-enabled Server Function logging: #89407
• Re-add build-complete traces for webpack: #89402
• Skip Server Function logging for 'use cache' functions: #89408

Misc Changes

• Turbopack: Move PrettyPrintError to turbo_tasks and add te...

Core Changes

• Turbopack: Rename crates/napi to crates/next-napi-bindings and update crate name: #89314
• feat: detect @typescript/native-preview as alternative TypeScript compiler: #89149
• Revert "Fix/zlib mem node": #89322

Credits

Huge thanks to @bgw and @Suhaib3100 for helping!

Misc Changes

• Apply server actions transform to node_modules in route handlers: #89316
• [test] Deflake browser-log-forwarding verbose level test suite: #89324

Credits

Huge thanks to @unstubbable for helping!

Core Changes

• Revert "Replace build id in Pages data routes with deployment id (#88959)": #89323

Misc Changes

• Add failing test to deploy-tests-manifest: #89318

Credits

Huge thanks to @ijjk and @mischnic for helping!

Core Changes

• Fix/zlib mem node: #89099

Misc Changes

• Update Rspack development test manifest: #89278
• Update Rspack production test manifest: #89277
• Improve consistency of how Flag typed fields are handled in the macro to more structurally prevent bugs like what was fixed in #89228: #89255

Credits

Huge thanks to @naaa760, @vercel-release-bot, and @lukesandberg for helping!