oven-sh/bun

Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

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March 2026

Monday

Strong activity across shell safety and package manager fixes — Dylan Conway has 5 shell crash fixes open since Feb 13, robobun just shipped bundler optimizations and opened Windows shebang parsing fix yesterday. Memory leak work active on HTTP server with SSL context caching PRs pending review. 3 new PRs opened in past 24h covering test thresholds, Snap sandbox support, and Windows env parsing.

By Contributor

robobun

Shipped Windows shebang parsing fix — opened PR yesterday for install env flags handling
Batch of 5 bundler PRs in flight tackling HTML asset handling, CSS deduplication, and chunk sharing
Rolling out --compile --target=browser for self-contained HTML plus MDX/JSON5/markdown parsing
Also working SSL context caching and WebSocket RFC compliance fixes

Dylan Conway

Shipping major shell safety batch — 5 PRs opened Feb 13 targeting crashes and memory issues
Fixing seq/brace expansion crashes, cd error handling, and PATH_MAX panics
Use-after-free fix for command substitution also in the works

ssing2

Landed test coverage threshold checking — opened PR last night
Also shipped package.json spacing fixes in bun init

kylepoli

Fixed install.sh for Snap sandboxes — opened PR yesterday afternoon

jotka

Working TLS keepalive memory leak fixes alongside robobun

Ciro

Just pushed WebSocket updates today after quiet stretch

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Features

Bundler (Bun.build)

Code bundling API, entry point management, chunk generation, HTML/CSS/JSX handling, code splitting, plugins, and macros for production optimization.

1 commits · 5 contributors · 2 messages · last activity Jan 30

HTTP Server & WebSockets (Bun.serve)

Built-in HTTP/HTTPS server, WebSocket support, request/response handling, streaming, routing, and web standard APIs.

1 commits · 2 contributors · 2 messages · last activity Jan 29

Dev Server & Bake (Full-Stack Framework)

Development server with hot module reloading, React/framework support, file watching, and full-stack development environment including production bundling.

5 commits · 5 contributors · 2 messages · last activity Jan 26

Runtime & Module Loading

JavaScript/TypeScript execution engine, module resolution, loaders, transpilation, and REPL. Handles file type loading (JS, TS, JSX, TSX), module parsing, and code transformation.

11 commits · 8 contributors · 2 messages · last activity Jan 26