2027 web platform feature ranking
Rank the Interop 2027 proposals you care about to help Firefox pick what to push for.
Interop news
Developer Signals: shape what browsers build next
Vote for upcoming web features and share use cases that go straight to browser vendors.
Browsers situationship: when browsers agree but the spec doesn’t
Sometimes the spec moves toward the browsers, and that isn’t a failure of the process.
Submit your proposals for Interop 2027
What browsers look for: a stable spec, automated tests, and evidence of real pain.
Feature detecting “undetectable” CSS features with
@supports named-feature()The CSS Working Group’s answer to detecting behavior changes, not just parsing.
Introducing Baseline Alerts
Subscribe to notifications when web features change status across browsers.
What’s missing from SVG
A synthesis of developer feedback maps the platform’s eleven biggest gaps.
Interop 2026 names 20 browser focus areas
Cross-browser priorities and tests set for 2026’s biggest developer pain points.
How a shared test suite fixed the web’s biggest problems
History of Web Platform Tests that eliminated browser discrepancies and enabled Interop.