Core Changes
- Ensure _middleware is consistent in adapter for name/id: #89559
- Ensure Errors with deep causal chains respect inspect depth: #89594
- refactor: extract route discovery into unified
discoverRoutes()API: #88971 - Ensure static metadata are static outputs for adapters: #89574
- Resolve local variable references in error code SWC plugin: #89596
- Turbopack: Add --experimental-server-fast-refresh CLI flag: #89274
- Fix deployment id header when proxying: #89593
Misc Changes
- Turbopack: add turbo-persistence benchmark: #89446
- Fix spelling in robots.mdx documentation: #89565
- Proper e2e test of function determinism - adapter: #89522
- [test] consolidate the browser log test: #89601
- Fix flaky turbo cache pull with retries and graceful fallback: #89575
- Turbopack: Pass globals to node.js workers as well: #89261
- Upgrade rustc to 2026-02-05: #89591
Credits
Huge thanks to @ijjk, @sokra, @Thomas465xd, @mischnic, @eps1lon, @huozhi, @bgub, @unstubbable, @mmastrac, and @wbinnssmith for helping!