URLPattern became Baseline Newly available as of September 15, 2025.

Same-document view transitions (and more view transitions-related features) are Baseline Newly available as of October 14, 2025.

Discover some of the interesting features that have landed in stable and beta web browsers during September 2025.

Read about various happenings with Baseline during September 2025.

Browserslist has added support for Baseline queries. Find out what that could mean for your developer workflow.

Read about various happenings with Baseline during August 2025.

Join the AMA on r/webdev on September 18 and ask us anything!

Our popular Learn CSS course has been updated with new modules covering the latest CSS features.

Find out about the progress of Interop 2025, and how to submit your ideas for 2026.

Want to make the web better for a chance to win cash prizes? Join the Baseline Tooling Hackathon!