Bun

Bun - The fast all-in-one JavaScript runtime and toolkit

Bun is a next-gen JavaScript runtime that includes a built-in bundler, transpiler, test runner, and npm client for streamlined development.

Official Website

Latest News

OpenCode 2.1.3 Updates Bun Runtime and Adds Voice Model Discovery

OpenCode 2.1.3 upgrades the bundled Bun runtime, improves desktop rendering performance, and introduces experimental voice model discovery within the SDK.

10/23/2026 • 0 likes

Elysia 2.0 Release Candidate Launches for Bun Runtime

The Elysia web framework has released its 2.0 candidate for Bun, focusing on architectural stability and improved developer experience ahead of the final launch.

10/20/2026 • 0 likes

Bun Adds Built-in Code Formatter for Faster JavaScript Workflows

Bun is introducing a native code formatter that significantly outperforms Prettier while reducing dependency overhead in JavaScript and TypeScript projects.

10/13/2026 • 0 likes

Bun 1.4.3 Released With Stability Fixes and Node.js API Improvements

Bun 1.4.3 introduces critical stability fixes for network and file system operations while enhancing compatibility with Node.js APIs.

10/10/2026 • 0 likes

Bun Adds Built-in TypeScript Type Checker With New Check Command

The JavaScript runtime is introducing a native Rust-based type checker, allowing developers to validate TypeScript codebases without external dependencies.

10/7/2026 • 0 likes

Difficulty

Intermediate 2/3

Relatively approachable for Node.js developers, but mastering its bundling, transpilation, and integrated tooling requires hands-on practice.