Web Platform Baseline Status Breakdown
Total Features: 1219
Categories:
All
CSS (6)
Text (4)
Units (4)
Workers (3)
Color types (2)
Container queries (2)
JavaScript (2)
JavaScript modules (2)
Reporting (2)
Selectors (2)
Streams (2)
WebAssembly (2)
Animation (1)
Clipping, shapes, and masking (1)
Explicit defaults (1)
HTML (1)
Image scaling (1)
Internationalization (1)
Iterators (1)
Maps (1)
MathML (1)
Scrolling (1)
Security (1)
View transitions (1)
2026
2 features
• March 2026
Newly Available
CSP violation reporting sends a report to a URL nominated by the Reporting-Endpoints header or the ReportingObserver API when a page violates its content security policy.
Chrome
74
Firefox
149
Safari
18.4
Edge
79
Baseline Date: Mar 24, 2026
Newly Available
The Reporting-Endpoints HTTP header and ReportingObserver() API send selected reports, such as Content Security Policy (CSP) violation reports or crash reports, to a nominated URL or callback function.
Chrome
96
Firefox
149
Safari
16.4
Edge
96
Baseline Date: Mar 24, 2026