Rspack 2.0: a 10x faster Webpack built in Rust
Rspack 2.0 has been officially released with significant performance improvements, aiming to be a faster, modern alternative to Webpack while maintaining ecosystem compatibility. The update includes enhanced build speeds, reduced default dependencies, and better support for modern JavaScript features. Rspack is increasingly adopted across the JavaScript ecosystem, with integration into numerous frameworks and tools.
- ▪Rspack 2.0 improves build performance by up to 100% compared to Rspack 1.0 and reduces memory usage by over 20% with cache enabled.
- ▪The number of default npm dependencies has been drastically reduced, with @rspack/cli now having zero dependencies.
- ▪Rspack 2.0 introduces support for modern JavaScript features such as React Server Components, import.meta, ESM packages, and improved module federation tree shaking.
- ▪Integration with major tools like Next.js, Nuxt, Angular, Storybook, and others highlights Rspack's growing adoption in the JavaScript ecosystem.
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Back to blogApril 22, 2026 #Announcing Rspack 2.0 Copy Markdown We are excited to announce the official release of Rspack 2.0! #Looking back at 1.x When we released Rspack 1.0 in August 2024, we set a clear goal: deliver a 10x performance improvement while staying compatible with the webpack API and ecosystem. Looking back at the 1.x cycle, we have largely achieved that goal. Rspack not only implemented webpack's core capabilities and plugin APIs, but also continued to improve developer experience, output optimization, and support for modern language features. Along the way, we introduced and refined incremental builds, lazy compilation, persistent cache, constant inlining, virtual modules, barrel file optimization, and more. Rspack is also being adopted by a growing number of users.
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