• Ladybird Browser Just Ported C++ Code to Rust in 2 Weeks Thanks to AI We are used to seeing web browsers that are either based onChromiumorFirefox, and many people are fed up of theduopoly-like situation here.Ladybirdis a breath of fresh air here, being a truly independent browser with its own engine built from scratch. • While development has been going on in full swing, we are yet to see an official release as of now. • The first alpha release for it is set for release sometime in 2026 for Linux and macOS. • Nevertheless, the developers of it have just announced that they are implementing some Rust bits into it. • For a while now, the Ladybird team has been on the lookout for a memory-safe language to eventually replaceC++.Swiftwas considered at one point, butpoor C++ interoperability and limited platform supportoutside Apple’s ecosystem ruled it out. • Rustwas actually evaluated and rejected back in 2024.

Article Summaries:

  • Ladybird, an independent browser with its own engine, announced that its lead developer, Andreas Kling, has successfully ported roughly 25,000 lines of its C++ codebase to Rust in just two weeks using AI tools (Claude Code and Codex). The conversion focused on LibJS, the JavaScript engine, and was fully reviewed by humans and multiple model checks. The new Rust code passed over 52,000 test262 tests and 12,000 Ladybird regression tests, with no performance regressions. Despite the milestone, C++ remains the primary language, and the Rust work is a long‑term, parallel effort.
  • We are used to seeing web browsers that are either based on Chromium or Firefox, and many people are fed up of the duopoly-like situation here. Ladybird is a breath of fresh air here, being a truly independent browser with its own engine built from scratch. While development has been going on in full swing, we are yet to see an official release as of now. The first alpha release for it is set for release sometime in 2026 for Linux and macOS. Nevertheless, the developers of it have just announced that they are implementing some Rust bits into it. What’s Happening? For a while now, the Ladybird

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