Core Changes

• enhance: polish hydration error layout to separate error link: #71456
• Let cache body execute with hanging inputs: #71452
• [Turbopack] Perf improvement new backend aggregation: #71356
• Upgrade React from 77b637d6-20241016 to bf7e210c-20241017: #71436
• next-upgrade: Consistent version comparison to codemod decisions: #71457
• feat: handle server extra attribute hydration error: #71462
• fix: set overlay click outside touchstart handler as passive: #71449
• codemod: only turn function to async when no hooks: #71392
• Turbopack: rscModuleMapping without extra chunks: #71326
• Turbopack: Make UnableToExternalize a warning: #71477
• Turbopack: Improve externals plugin: #71375
• [dynamicIO] refine error messaging for sync API access: #71467

Misc Changes

• [dynamicIO] clarify date docs: #71459
• [Turbopack] Perf improvements new backend: #71249
• [Turbopack] fix unresolvable typo: #71414
• [Turbopack] refactor to allow different key value stores: #71430
• [Turbopack] make snapshot organization more efficient: #71466
• test: fix 18.3 hydration test: #71472
• [Turbopack] update total size when reached: #71354
• [Turbopack] add a startup cache which caches the first 100MB of accessed data: #71431
• [Turbopack] bugfixes persistent caching: #71481
• fix: add test helper back: #71495
• docs(route-groups): add an example about opting loading skeletons to a specific route: #71328
• Assign proper function names to server actions: #71478

Credits

Huge thanks to @huozhi, @sebmarkbage, @gnoff, @sokra, @eps1lon, @mischnic, @wyattjoh, @samcx, and @unstubbable for helping!