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
• September 2026
Newly Available
The JavaScript promise integration (JSPI) suspends a WebAssembly module when it calls a JavaScript method that returns a promise. The module resumes when the promise is resolved. You can use this to call asynchronous Web APIs from synchronous WebAssembly.
Chrome
137
Firefox
153
Safari
27
Edge
137
Baseline Date: Sep 14, 2026
• February 2026
Newly Available
Branch hints in WebAssembly allows a browser to optimize performance when a branch is a likely to take a specific path.
Chrome
137
Firefox
148
Safari
16
Edge
137
Baseline Date: Feb 24, 2026