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title: Rustに移植された「Bun 1.4」正式リリース。Node.jsとの互換性向上でPlaywrightやvitestが動作、CPUとメモリの使用率が大幅改善、正規表現が高速化など
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# Rustに移植された「Bun 1.4」正式リリース。Node.jsとの互換性向上でPlaywrightやvitestが動作、CPUとメモリの使用率が大幅改善、正規表現が高速化など

## TL;DR
（要約なし・原文はリンク先を参照 / No summary available; see the source link.）

## Key Points
- technology / programming_language / software_release

## Details
(本文なし。リンク先参照)

## Source
元記事: [Rustに移植された「Bun 1.4」正式リリース。Node.jsとの互換性向上でPlaywrightやvitestが動作、CPUとメモリの使用率が大幅改善、正規表現が高速化など](https://www.publickey1.jp/blog/26/rustbun_14nodejsplaywrightvitestcpu.html)