Core Changes

• fix: sanitize worker args for worker_threads compatibility: #90506
• Fix varyParams tracking for optional catch-all params with no value: #90496
• Don't start worker for Typescript when only doing config validation: #90504
• [Instant] Fix loading.js not being counted as a suspense boundary: #90292
• [ci] Crash if next-swc could not be loaded when NEXT_TEST_NATIVE_DIR is specified: #90387
• Fix: server-patch retry preserves push/replace intent of suspended transitions: #90533
• Cached Navigations: Serve cached segments instantly on repeat visits: #90223
• Throw when unstable_instant is used in Client Component: #90396

Misc Changes

• test: Improve test assertions to prepare for dpl query string: #90463
• [test] Fix flaky "delay re-prefetch after revalidation" test: #90503
• Revert "Turbopack: Add line numbers to debug info in release-with-assertions profile (#90474)": #90525
• Bump Turborepo to 2.8.11: #90530
• Turbopack: Move turbopack out of pnpm build and into a pnpm build-all command: #90543

Credits

Huge thanks to @mischnic, @timneutkens, @acdlite, @unstubbable, @bgw, @lubieowoce, @eps1lon, and @devjiwonchoi for helping!