Bun is a fast, all-in-one toolkit for running, building, testing, and debugging JavaScript and TypeScript, from a single script to a full-stack application.

Exciting news for Windows 10 users and beyond—Bun is now available for your platform! Bun on Windows passes 98% of our own test suite for Bun on macOS and Linux.

Bun has a built-in, npm-compatible package manager that installs packages. When installing a Vite React App, bun install runs 18x faster than yarn and 30x faster than npm on Windows.

Large projects start 2x faster

Bun has built-in support for JavaScript, TypeScript, and JSX, powered by Bun’s very own transpiler written in highly-optimized native code.

Here are some other highlights about newest version of Bun 1.1:
Bun Watch Mode: Built-in support for –watch mode optimizes the iteration cycle between making changes and having those changes affect your code.
Node.js API Optimization: Node.js APIs have been optimized for Windows, with fs.readdir() being 58% faster than Node.js
HTTP Server URL: When creating an HTTP server using Bun.serve(), you can now get the server’s URL using the server.url property.

These updates make Bun 1.1 a substantial upgrade, focusing on compatibility, performance, and developer experience.

For more detailed information, you can visit the official Bun blog.

or even you can watch video about Bun 1.1

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Hello World!