If you are using SWC for your project, please consider giving us a star on GitHub :) https://t.co/AKpTLfF4YF

They use SWC!

The Wasm plugin of @swc_rs is a very powerful feature

Starting from v1.15.0, the Wasm plugins of @swc_rs are now backward-compatible! Read more at https://t.co/wG6PTXEh0w Thank you so much for the hard work, quininer (on Github) and @rspack_dev! This will improve the QoL for users of @swc_rs, @rspack_dev, and @nextjs!

More speed from SWC: Lexer: 4–11% faster, Parser: 2-3% faster Shoutout to @c_punisher for making it happen 🙌

Next.js 16 • Cache Components • Turbopack enabled by default • Turbopack file system caching (beta) • Optimized navigations and prefetching • Improved caching APIs • Build Adapters API (alpha) • React 19.2 https://t.co/axFBZJUZpQ

These are PRs towards @swc_rs made by AutoDev + Claude Code - https://t.co/vmeNg7KaBR - https://t.co/JfQ1Gn3jPX - https://t.co/cVeNwKlEPG Composite Task: true Prompt: "Fix <issue_url>"

Introducing our new core team member! He has made significant contributions to improving SWC's performance. https://t.co/1q5VpQcD1p

We migrated our largest web monorepo from babel + webpack to @swc_rs + @rspack_dev and couple things stood out: 1. rspack team did an incredible job making the migration easy (it's a 6+ years old app - imagine how complicated our config is). Genius to keep it API compatible!

27x faster HMR 🚀

Just resolved an issue where the new babel-swc-loader in @repack_rn was performing poorly. From 115.4s → 2.6s 🔥 Turns out it was a 100k+ lines prebundled lib that was getting processed by a single Babel worker 🤯 Delegating this to @swc_rs decreased the build time 40x!

Are you interested in purchasing long-term support for the @swc_rs Wasm plugin? This would provide the official plugin for use with older runtimes, such as @nextjs 14.

My personal life has been busy lately and I haven't been able to spend much time on @swc_rs, which makes me even more grateful to the core team and contributors.

ECMAScript excitement 😉 Congrats to @magic_akari & @kdy1dev on shipping parsing support for TC39 Stage 3 `import defer` in SWC 🎉 import defer * as ns from "mod" This feature improves performance via lazy evaluation of (eagerly fetched) modules 👍 https://t.co/XieWwrIOPd

If you are using @swc_rs for your app, please consider donating via https://t.co/nRFq5M4vP7 or https://t.co/90SxCMZ7eZ ! If you are not making money out of it, please give us a star on Github. https://t.co/AKpTLfF4YF

I'll align the AST definition of @swc_rs with that of @tseslint. It's for interoperability with other tools, including @babeljs, which also aligned their AST with it. Tracking issue:

🚀 SWC parser just got 12-14% faster in the past 2 weeks! Our team contributed 30+ PRs and we're just getting started 💪

I'm working to improve the compression rate of the @swc_rs minifier! Current status: Total (gzipped) swc: 12.61MB terser: 12.66MB Size ratio: 99.56% swc produced smaller or equal output for 2128 files out of 2212 files, 96.20% Details at

🤣 Remove two `todo!()`s in swc and get 1~2% performance improvement of the minifier. https://t.co/5MIrL52IjD

I think I found the way to make @swc_rs Wasm plugin backward compatible to some amount. It’s not 100%, but it will make it compatible for most AST modifications. I’ll try and report back.

SWC v2 will be about removing deprecated APIs and cleaning the .swcrc schema. Stay tuned!