Rewrite Bun in Rust — PR #30412 Merged
Summary
GitHub PR #30412 rewrites Bun in Rust and has been merged, dramatically expanding the Bun main branch with 6755 commits. The update notes that the canary upgrade passes the existing test suite, fixes memory leaks and flaky tests, reduces binary size by 3–8 MB, and introduces compiler-assisted tools for memory bug detection; a detailed blog post is forthcoming. Developers can try the change with bun upgrade --canary.