FULL STORY
tsrs: Rust-Ported TypeScript Compiler Launches, Gains Cloudflare Backing
VoidZero released tsrs, a Rust port of the TypeScript compiler written by an AI agent, claiming 8x faster type checking. Cloudflare then announced it would take over the project with VoidZero and Max Schwenk.
2026-10-20 ~ 2026-10-20 · 2 episodes · 5 posts
Episode 1 · Cloudflare Takes Over tsrs, a Rust Port of the TypeScript Compiler (2026-10-20, 3 posts)
Cloudflare, together with VoidZero and Max Schwenk of Owner.com, has taken over tsrs, a Rust port of the TypeScript compiler that runs 8x faster than TypeScript 7.0 with 70% less memory, while TypeScript 7.1 also gains a 2.5x speedup.
- Cloudflare adopts tsrs, a Rust port of TypeScript that is 8x faster with 70% less memory — cnakazawa · 2026-10-20
- Cloudflare and VoidZero introduce tsrs, a Rust port of TypeScript up to 8x faster with 70% less memory — cnakazawa · 2026-10-20
- Cloudflare takes ownership of tsrs, the Rust TypeScript port that's 8x faster than TS 7.0 — Vjeux · 2026-10-20
Episode 2 · tsrs: Rust port of TypeScript compiler runs 8x faster (2026-10-20, 2 posts)
Developer voidzerodev released tsrs, an AI-agent-written Rust port of the TypeScript compiler built in collaboration with the TypeScript team rather than as a fork. It cuts type checking from 80 seconds to 7 seconds, roughly 8x faster.
- tsrs: an agent-written Rust port of TypeScript is 8x faster than TS 7.0 with 70% less memory — cnakazawa · 2026-10-20
- tsrs: Rust TypeScript Compiler Port Backed by TS Team Claims 8x Speed, 70% Less Memory — cnakazawa · 2026-10-20