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v16.0.0

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Check out our Next v16Blog Post to learn more about this release.

Core Changes

• Development: Don't import app-router / hot-reloader through next/link in application code:#83656
• Remove clientParamParsing requirement from RDC for Navigations:#83661
• Upgrade React from6b70072c-20250909 to886b3d36-20250910:#83650
• Turbopack: Use readFileSync / writeFileSync for manifest writing:#83694
• Upgrade React from886b3d36-20250910 tof3a80361-20250911:#83696
• Don't create client-side debug channel if the feature is disabled:#83699
• fix: dev should produce the correct default fallback regex to match builds/Turbopack:#83701
• [devtool] fix overlay styles are missing:#83721
• Revert "Remove clientParamParsing requirement from RDC for Navigations":#83725
• Only enable unhandledRejection filtering when opted in:#83726
• Fix index data route for adapter build-complete:#83730
• Remove leading underscore for unhandledRejection envvar:#83732
• Upgrade React fromf3a80361-20250911 to93d7aa69-20250912:#83729
• Upgrade React from93d7aa69-20250912 to8a8e9a7e-20250912:#83742
• Fix reentrancy of unhandledRejection filtering:#83741
• Fix type for unhandled rejection handler process.removeListener:#83748
• [OTel] fix: Root span name should not include high cardinality URL:#75416
• Turbopack: Remove matchers.reload() call on each request:#83720
• [Breaking] Flat config as default in@next/eslint-plugin-next:#83763
• fix: Rspack splitChunks.chunks regex:#83670
• Revert "Turbopack: Remove matchers.reload() call on each request":#83819
• fix: unstable_cache should perform blocking revalidation during ISR revalidation:#83820
• fix(Rspack): resolve HMR unresponsiveness or unexpected full reload & update dev snapshot:#83480
• Allownext.config.mts for Node.js native TS resolver:#83556
• chore: Ensure Import Trace starts in a newline:#83638
• Development: Remove matchers.reload() on each request:#83829
• Upgrade React from8a8e9a7e-20250912 to5e0c951b-20250916:#83850
• Bump typescript 5.9.2:#83833
• Allow headers, rewrites and redirects to be defined as sync functions:#83743
• Turbopack: Optimize addedRoutes and removedRoutes calculation:#83840
• [next-config-ts] Set Node.js native TS loader fallback flag to process.env:#83832
• Development: Clarify TypescriptStatus in watcher:#83857
• Upgrade sharp dependency to version ^0.34.4:#83892
• Upgrade React from5e0c951b-20250916 to128abcfa-20250917:#83906
• Add native ts resolver docs link to transpile-config:#83914
• OTel: usesrcPage for templates whennext.route is unavailable:#83911
• Remove inline CSS sourcemaps from next-devtools:#83917
• Development: Move all TypeScript related work in watcher together:#83912
• [Cache Components] Allow sync IO inside console methods :#83843
• Upgrade React from128abcfa-20250917 to84af9085-20250917:#83959
• Build: Add .next/trace-build with high level trace:#83949
• Remove force writing **/*.mts to tsconfig:#83967
• feat: Isolate dev build from prod:#83961
• Remove JS size reporting from next build:#83815

... (truncated)

• 950609f v16.0.0
• fcc3157 v16.0.0-canary.19
• c0b086c v16.0.0-canary.18
• f770793 logger: skip logging full element (#85194)
• 074262b Only allow node runtime in proxy (#85139)
• 47ceda3 [cache components] persist cache bypass UI until it's disabled (#85190)
• b66c1d6 Remove layout-router sticky/fixed debug warning (#85193)
• 96754b6 Tweaks to blocking route error message (#85191)
• 48bb490 docs: upgrade from 15 to 16 (#85176)
• 9b34b65 [upgrade] Version gate adding--turbopack flag (#85180)
• Additional commits viewable incompare view

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