Ladybird Browser: May Update - Performance Boost and New Features

2025-06-01
Ladybird Browser: May Update - Performance Boost and New Features

The Ladybird browser project had a productive May, merging 261 pull requests from 53 contributors. The project welcomed new sponsors and officially received tax-exempt status. Key accomplishments this month include: adding 15,961 new passing Web Platform Tests (WPT) with significantly improved runtime speed; implementing a new, more tolerant JavaScript date parser; completing clipboard API and transferable streams implementations; initial support for SharedWorker; replacing the in-house BigInt implementation with LibTomMath for performance improvements; implementing var() and attr() in CSS shorthands; and performance optimizations resulting in a 10% speedup on Speedometer 2.1.

Development Ladybird Browser