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Next.js 16.3 brings Turbopack's persistent file-system cache to next build and adds an experimental Rust React Compiler. Here is how to wire both into CI, the real numbers from Vercel, and where they break.
Manu Shukla 
Next.js 16 shipped 21 October 2025 and turns Turbopack on by default, deletes synchronous request APIs, and renames middleware. Here is every breaking change that will stop your build, with the codemods that fix them.
Manu Shukla 
Next.js 16.3 cut Turbopack dev memory up to 90% and TypeScript 7.0 went GA on July 8, 2026 with a Go compiler that type-checks up to 11.9x faster. What the Rust and Go toolchain shift means for web teams.
Manu Shukla 