## Bun v1.3.7

- 種別: release
- 関連技術: bun, nodejs, aws
- 公開日時: 2026-01-27T06:30:58.000Z
- 情報源: Bun Blog (https://bun.com/blog/bun-v1.3.7)
- パーマリンク: https://vulnpulse.app/items/bun-bb17f488cad5

Fixes 91 issues (addressing 243 👍). 50% faster `Buffer.from(array)`, 35% faster async/await, 3x faster `array.flat()`, 90% faster `padStart`/`padEnd` via JSC upgrade. New: `Bun.JSON5`, `Bun.JSONL`, `Bun.wrapAnsi()` (33-88x faster than wrap-ansi npm), `--heap-prof-md`, `--cpu-prof-md`, `node:inspector` Profiler API, `replMode` for `Bun.Transpiler`. Fetch now preserves header casing. HTTP/2 fixes for AWS ALB/gRPC/Fauna.