Bun news and analysis

The latest Bun coverage on Tech AI Wire.

The Bun blog post Bun v1.4.4 by Jarred Sumner, dated October 22, 2026, with install and upgrade commands.

Dev Stack

Bun 1.4.4 adds bun fmt, a Prettier-compatible formatter

Bun 1.4.4, released October 22, 2026, adds bun fmt, a Prettier-compatible formatter Bun says checks Prettier's own repo 286x faster than Prettier.

Oct 22, 2026

Screenshot of the Bun blog post Bun v1.4.3 by Jarred Sumner, dated October 10, 2026, with install commands and a table of contents listing bun check.

Dev Stack

Bun 1.4.3 adds bun check, a faster TypeScript type checker

Bun 1.4.3 adds bun check, a built-in TypeScript type checker that Bun says runs 3x to 6.4x faster than tsc 7.0.2 and passes all 51,210 conformance tests.

Oct 10, 2026

Dev Stack

Bun 1.4 ships the AI-driven Rust rewrite to production

Bun 1.4 is the first production release of the runtime's Zig-to-Rust rewrite, shipping faster startup and new APIs while critics question 13,044 unsafe blocks.

Aug 21, 2026

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