next 16.3.0-canary.20

v16.3.0-canary.20

on Node.js NPM

Core Changes

• [turbopack] fix feature usage telemetry: #93100
• Add an info panel for the existing "Cache disabled" indicator: #93756
• Convert test/integration to isolated tests: #93247
• Extend instant error overlay to metadata, viewport, and sync IO errors: #93287
• Turbopack: expose hashes of source files to adapters: #93539
• bfcacheId: Opt out of state preservation: #93633
• Honor Suspense-above-body opt-in for dynamic generateViewport: #93759
• Add next internal static-routes-info CLI command: #93399
• Craigandrews/ensure isr lru is written if requests collapsed: #93766
• Fix catch-all router.query corruption with basePath + rewrites: #93294
• Surface invalid dynamic usage errors via Flight in dev: #93706
• Upgrade React from dd453071-20260506 to d5736f09-20260507: #93702
• Show inner "use cache" as cause of nested-dynamic cache error: #93707
• Fix server action forwarding loop with middleware rewrites: #93792
• Instant Insights: When unable to complete validation provide a filename for the unvalidated boundary: #93770

Example Changes

• [examples] migrate cloudinary to vercel-blob: #93762

Misc Changes

• Turbopack: don't generate next-server.js.nft.json with adapters: #93684
• Repo: Add gh stack skill: #93705
• Fix React 18 tests: #93763
• docs: clarify cacheTag limit - it is per call: #93768
• docs: devIndicators with usage example: #93784
• Convert tests using createNext -> nextTestSetup: #93767
• Turbopack: fix lock-order inversion between Storage::map and Storage::snapshots: #93788
• [turbopack] Enforce root attribute for strongly consistent reads and collectibles: #93114
• Fix Turbopack worker_threads URL resolution: #93432
• docs: less aggressive AI agent hint for an experimental API: #93811
• docs: fix typos and links: #92541
• docs: less aggressive AI agent hint for an experimental API: #93814
• Patch playwright-core to resolve _finishedPromise on requestFailed: #93802
• Revert "[test] Skip flaky cached-navigations tests": #93798
• fix: GNU xargs warns about incompatible --replace/--max-args: #93821
• fix: renumber non-sequential errors in errors.json: #93824
• simplify session dependent tasks (#91729): #93227
• fetch: respect HTTP Cache-Control headers with TTL-based invalidation (#91729): #93228
• [CC] fix: cachedNavigations missing asyncApiPromises in resumes: #93827
• Fix Date.now() cause shadowing in sync IO error overlay: #93857
• Mark .agents/skills as internal so external npx skills add hides them: #93856
• Instant Insights: only report non-validatable if dev render is error free: #93858
• Remove partialFallbacks config flag: #93859
• Fix warning in new apps caused by incorrect image dimensions: #93826

Credits

Huge thanks to @lukesandberg, @mischnic, @unstubbable, @timneutkens, @aurorascharff, @icyJoseph, @acdlite, @christopherkindl, @sokra, @gnoff, @publictheta, @gaojude, @unclebay143, @lubieowoce, @vercel-release-bot, and @samselikoff for helping!