Guides using bun.sys for system calls and file I/O in Zig. Use when implementing file operations instead of std.fs or std.posix.

Implements JavaScript classes in C++ using JavaScriptCore. Use when creating new JS classes with C++ bindings, prototypes, or constructors.

Creates JavaScript classes using Bun's Zig bindings generator (.classes.ts). Use when implementing new JS APIs in Zig with JSC integration.

Verify a Bun runtime change by driving the debug binary end-to-end.

Find GitHub issues that a PR might fix

Guides using bun_sys for system calls and file I/O in Rust. Use when implementing file operations, opening fds, or any syscall path instead of std::fs or libc.

Upgrade Bun's WebKit fork to the latest upstream version of WebKit

Upgrade Bun's BoringSSL fork (oven-sh/boringssl) to the latest upstream google/boringssl

This guide explains how to upgrade the Node.js version that Bun reports for compatibility with Node.js packages and native addons.

Find open PRs that may duplicate a given PR