This is pretty epic
Jarred Sumner (@jarredsumner)
Rewriting Bun in Rust
bun.com/blog/bun-in-rust
Link
Rewriting Bun in Rust
Why & how we rewrote Bun from Zig to Rust
bun.com
— https://nitter.net/jarredsumner/status/2074973674332123157#m
Jarred Sumner shared the Bun blog post “Rewriting Bun in Rust” (link…
Brief
Jarred Sumner amplified Bun’s technical post “Rewriting Bun in Rust,” calling the migration “pretty epic.” The bun.com article by @bcherny details the motivations and implementation of rewriting the Bun runtime from Zig to Rust, and the tweet links to bun.com/blog/bun-in-rust (published 2026-07-08).
Why it matters
Jarred Sumner shared the Bun blog post “Rewriting Bun in Rust” (link: bun.com/blog/bun-in-rust) and called it “This is pretty epic.”
Key details
- The blog post, attributed to @bcherny, explains why and how the Bun runtime was rewritten from Zig to Rust; the shared post metadata lists a publication date of 2026-07-08.