3 briefs— one-minute reads, curated for senior frontend engineers.
TypeScript 7.0, the Go-based native compiler, hits GA with 8-12x faster builds and first-error times under 1.3s in VS Code, but ships no stable API, so tooling stays on 6.x via the @typescript/typescript6 alias.
1 source
The Go-native `tsgo` compiler is now in public beta. On the 1.5M-line VS Code codebase: 7.5s vs 77.8s for the JS compiler. Language service startup drops from 9.6s to 1.2s. Memory use cut roughly in half.
1 source
Microsoft shipped the TypeScript 7.0 beta with a ground-up Go rewrite. The new native compiler is roughly 10x faster and uses shared-memory multi-threading. Here's what changes for your toolchain and how to prepare for the 6.0 → 7.0 jump.
2 sources