Bun promises to be the fastest JavaScript runtime with built-in bundling, testing, and package management. We review its real-world strengths and limitations for production projects.
Bun arrived with bold benchmarks and even bolder claims. A JavaScript runtime, bundler, package manager, and test runner all in one — written in Zig and built on WebKit's JavaScriptCore engine. It is genuinely fast. But is it ready for production? This honest review covers what Bun does well, where it still falls short, and when you should consider switching from Node.js.What Makes Bun FastBun's speed comes from several architectural decisions. JavaScriptCore, the engine used in Safari, has extremely fast startup times compared to V8. Bun's native file I/O APIs are implemented directly in Zig,...
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