Core Changes

• Upgrade React from 58bdc0bb-20251019 to f6a48828-20251019: #85081
• [devtools]: instrument client navigation hooks for suspense devtools: #85007
• Remove Segment from CacheNodeSeedData: #85080
• label as Prefetch/Prefetchable depending on prefetch config: #85076
• [cache components]: add 'bypass' cache indicator status: #85082
• Upgrade React from f6a48828-20251019 to 2bcbf254-20251020: #85112
• [cache components]: guard against setCacheStatus since its conditionally defined: #85125
• warn: add deprecation warning of eslint config: #85122
• add new devtools indicator loading state: #85083
• Await initial Flight response before hydrating: #85124
• fix(experimental.lockDistDir): Acquire the lock in dev earlier: #85116
• telemetry: mcp tool call: #85120
• [Turbopack] dedupe build errors: #85062

Misc Changes

• docs: experimentalClientMaxBodySize: #85105
• Docs: Add --debug-build-paths next build option: #85097
• Docs: Add note on tag limits for cacheTag: #85106
• docs: no switcher for TS only examples: #85109
• fix: Handle non-directory files in cache folder when performing cleanup: #84930
• Turbopack: Suggest using system certs when a TLS error occurs: #85009
• [turbopack] Try to fix v8 crashes on github actions: #85114
• docs: Update to Zod v4 syntax: #84807
• Docs: Add version history for next lint deprecation and update error message: #85100
• Turbopack: improve module evaluation name: #84633
• [test] Current behavior of dynamic APIs integration with React DevTools: #85111
• [Cache Components] fix env labels in perf track test: #85132

Credits

Huge thanks to @ztanner, @icyJoseph, @delbaoliveira, @acdlite, @lubieowoce, @bgw, @lukesandberg, @huozhi, @makandrr, @sokra, and @eps1lon for helping!