99.8% OF BUN'S PRE-EXISTING TEST SUITE PASSES ON LINUX X64 GLIBC IN THE RUST REWRITE (X THREAD)

Summary from the TLDR Dev newsletter

Bun is undergoing a massive 960,000-line rewrite from Zig to Rust to improve memory safety and stability, successfully passing 99.8% of its existing test suite after only six days of development.