Core Changes

• Fix relative same host redirects in node middleware: #88253
• Remove loadConfig from main development process, pass value from child process: #88230
• Update deploy adapters outputs and handler interfaces for node and edge: #88247
• Move Ready in time before handler initialization: #88235

Misc Changes

• ci: fix javascript-urls test to account for React 18: #88249
• Turbopack: Remove tokio and turbo-task handles from Invalidator: #88242
• Turbopack: remove Stateful flag: #88196
• Upgrade to rustc 2026-01-04: #88095
• Turbopack: include children count in "task execution completed" span: #87318
• Turbopack: avoid blocking tasks for I/O work: #87661
• Turbopack: flatten trace when it reaches cut off depth: #88118

Credits

Huge thanks to @ztanner, @bgw, @ijjk, @sokra, @mischnic, and @timneutkens for helping!