Core Changes

• Track search string as part of "refresh state": #87203
• Pass RouteTree into navigation function: #87256
• Read from segment cache unknown routes: #87293
• Pass loading boundary as part of RSC data: #87825
• Revert "refactor: consolidate PPR into cacheComponents architecture (#88243)": #88421
• fix: support TypeScript noUncheckedSideEffectImports for CSS imports: #88199

Misc Changes

• docs: fix CSP example to only include unsafe-eval in development: #88407
• docs: add PR description guidance to AGENTS.md: #88408
• ci: Fix retry comments in workflow files: #88412
• [test] Deflake test/integration/invalid-custom-routes/test/index.test.ts: #88416
• [test] Remove rogue debug log: #88423

Credits

Huge thanks to @acdlite, @timneutkens, @unstubbable, @eps1lon, @wyattjoh, and @Rani367 for helping!