Core Changes

• [refactor] Replace runtime prefetch sentinel transform stream: #90160
• fix: use Buffer.indexOf in uint8array helpers for faster byte scanning (3/8): #89864
• Automatically build and clear native build when running pnpm build: #89819
• fix(cache): DCE to avoid pulling server internals into browser bundles (4/8): #89865
• Attach active src route to next global: #90171

Misc Changes

• Turbopack: Update rust toolchain to nightly-2026-02-18: #89974
• Turbopack: Derive Default on PartialProjectOptions, remove silly partial_project_options_with_debug_build_paths helper: #90170
• Turbopack: document ModuleSideEffects better: #90132
• [ci]: pin styled-components version in tests: #90194

Credits

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