Ladybird Browser: April 2026 Development Update — PDF Viewer, GTK4 Frontend, and Performance Improvements
By
richardboegli
Sesame, salt, and substance. A flagship bake.
Summary
Ladybird browser project's April 2026 development update reports 333 merged PRs from 35 contributors (7 first-timers). Key features include an inline PDF viewer via pdf.js, GTK4 frontend work, browsing history implementation, speculative HTML parsing, off-thread JavaScript compilation, async DNS resolution, and CSS anchor positioning support. The update also welcomes new sponsors and highlights ongoing open-source development efforts.
Key quotes
· 3 pulledIn April we merged 333 PRs from 35 contributors, 7 of whom made their first-ever commit to Ladybird!
PDFs now render inline through the bundled pdf.js viewer (#9132).
Ladybird is entirely funded by the generous support of companies and individuals who believe in the open web.
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