## Bun v1.4.3

- 種別: release
- 関連技術: bun, nodejs
- 公開日時: 2026-10-10T03:18:05.000Z
- 情報源: Bun Blog (https://bun.com/blog/bun-v1.4.3)
- パーマリンク: https://vulnpulse.app/items/bun-8ef95f09c05f

Fixes 166 issues, addressing 122 👍. bun check, a TypeScript type checker built into Bun that is 3x to 6.4x faster than tsc 7, --check for bun run, bun build and bun test, 67–89% less idle CPU, Bun.FetchSession, experimental Bun.ModuleGraph, --disallow-code-generation-from-strings, up to 2.7x faster large node:http responses, a JavaScriptCore upgrade with faster JSON.parse, faster rejected-promise handling, CompressionStream compression levels, If-Range support in Bun.serve, bun install skips tarballs it won't install, lower bun build memory with many entry points, [hashN] output names, profi…