February 27, 2026 ongoing Get alerts for bun.com

Summary: Bun launches v1.3.10 with native REPL and Windows ARM64 support

Why It Matters: Bun is expanding its reach to more hardware and adding tools that make it easier for developers to write and test code quickly. The addition of a native REPL and better Windows support makes it a more serious threat to Node.js on all operating systems.

What Changed:

  • Added a new native REPL for interactive coding.
  • Added support for Windows ARM64 devices.
  • Added a new feature to compile self-contained HTML files.
  • Added support for TC39 standard ES decorators.
  • Updated the homepage with a detailed "Everything you need to build & ship" section listing all built-in APIs.
  • Added new testimonials and use cases from Claude Code and Midjourney.
  • Updated benchmark data for Express.js, WebSockets, and Postgres.
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