Web Platform Baseline Status Breakdown
Total Features: 1191
Categories:
All
CSS (101)
HTML elements (98)
Selectors (46)
JavaScript (43)
Forms (40)
WebGL extensions (37)
WebAssembly (22)
Media queries (21)
Fonts (19)
Performance (19)
Text (19)
Scrolling (18)
Arrays (17)
Layout (17)
HTML (16)
Progressive web app (15)
Typed arrays (14)
Units (14)
Canvas (13)
Background (12)
Color types (12)
Media elements (12)
Strings (12)
Clipping, shapes, and masking (11)
Security (11)
Web components (11)
WebXR (11)
Typographic font features (10)
Animation (9)
Internationalization (9)
Reporting (9)
Text wrap (9)
Clipboard (8)
Workers (8)
Containment (7)
DOM (7)
Fetch (7)
JavaScript modules (7)
Print media (7)
Sensors (7)
CSS object models (6)
Image formats (6)
Iterators (6)
Landmark elements (6)
Positioning (6)
Promises (6)
SVG (6)
Storage (6)
Streams (6)
Credential management (5)
Custom elements (5)
Explicit defaults (5)
Font synthesis (5)
HTTP (5)
Messaging (5)
Multi-column (5)
Resource hints (5)
Ruby (5)
Selection (5)
Speech (5)
Transitions (CSS) (5)
View transitions (5)
Web audio (5)
WebGL (5)
Container queries (4)
Cookies (4)
Counters (4)
File system access (4)
Flexbox (4)
Gamepad (4)
Grid (4)
Images (4)
Lists (4)
Primitive types (4)
Regular expressions (4)
WebDriver (4)
WebRTC (4)
Blend mode (3)
Borders and outlines (3)
Gradients (3)
Image scaling (3)
JSON (3)
Maps (3)
MathML (3)
Payments (3)
Reading order (3)
Scroll markers (3)
Transforms (3)
WebAuthn (3)
WebGPU (3)
White space (3)
Worklets (3)
XML (3)
Collections (2)
Compute pressure (2)
Geolocation (2)
IndexedDB (2)
Parsing and serialization (2)
Resource integrity (2)
Sets (2)
Text fragments (2)
WebMCP (2)
CSS environment variables (1)
2026
1 features
• 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
2025
1 features
• May 2025
Newly Available
When caught, an exception is reified into an exception reference, a value of the new type exnref.
Chrome
137
Firefox
131
Safari
18.4
Edge
137
Baseline Date: May 29, 2025
2024
3 features
• December 2024
Newly Available
Garbage collection tracks references for better memory management with garbage-collected languages running in WebAssmbly.
Chrome
119
Firefox
120
Safari
18.2
Edge
119
Baseline Date: Dec 11, 2024
Newly Available
Tail call optimization discards a caller frame and replaces the call with a jump instruction.
Chrome
112
Firefox
121
Safari
18.2
Edge
112
Baseline Date: Dec 11, 2024
• September 2024
Newly Available
A typed function reference can be called directly.
Chrome
119
Firefox
120
Safari
18
Edge
119
Baseline Date: Sep 16, 2024