Core Changes
- Reland experimental custom webpack support: #99234
Misc Changes
- Add CI for upgrade evals with shared preparation: #99908
- Rebuild upgrade evals around delivered apps: #99880
- Upgrade Corepack to 0.34.7: #99959
- Upgrade Turborepo to 2.11.7: #99958
- Normalize pnpm store cache keys: #99957
- test: cover Pages Router _app availability in Turbopack dev (#99789): #99910
- Turbopack: chain the Pages Router development client module graph: #98823
- turbopack: report an actionable error when Node.js child processes cannot connect: #99887
- Turbopack: Ignore realpath errors during module resolution, matching node's behavior: #99951
- test: add a
vercelgate condition for Vercel-specific deploy tests: #99837 - test: remove per-test Corepack overrides now that deploy mode enables it: #99945
Credits
Huge thanks to @devjiwonchoi, @bgw, @sokra, @lukesandberg, and @jamiboym for helping!