Web Platform Baseline Status Breakdown
Total Features: 1219
Categories:
All
CSS (35)
Progressive web app (15)
WebGL extensions (12)
Forms (11)
JavaScript (11)
Performance (11)
WebXR (11)
HTML elements (10)
Scrolling (10)
Selectors (10)
Layout (8)
HTML (7)
Media queries (7)
Reporting (7)
Text (7)
Media elements (6)
Sensors (6)
Canvas (5)
Clipboard (5)
Fonts (5)
Anchor positioning (4)
Animation (4)
CSS object models (4)
Credential management (4)
DOM (4)
Fetch (4)
Speech (4)
WebAssembly (4)
WebDriver (4)
Background (3)
Container queries (3)
Gamepad (3)
Images (3)
Iterators (3)
JavaScript modules (3)
Multi-column (3)
Payments (3)
Print media (3)
Scroll markers (3)
Selection (3)
Storage (3)
Streams (3)
Text wrap (3)
Typographic font features (3)
Web components (3)
WebGL (3)
WebGPU (3)
Clipping, shapes, and masking (2)
Color types (2)
Compute pressure (2)
Cookies (2)
Custom elements (2)
Flexbox (2)
Geolocation (2)
Image formats (2)
Lists (2)
Reading order (2)
Regular expressions (2)
Ruby (2)
SVG (2)
Security (2)
View transitions (2)
Web audio (2)
WebMCP (2)
Workers (2)
Worklets (2)
Counters (1)
File system access (1)
Font synthesis (1)
Grid (1)
Image scaling (1)
IndexedDB (1)
MathML (1)
Resource hints (1)
Resource integrity (1)
Strings (1)
Transitions (CSS) (1)
WebAuthn (1)
XML (1)
Years:
All
Limited Availability
4 features
• In Progress / Not Yet Baseline
Relaxed SIMD (Single Instruction Multiple Data) introduces local non-determinism, where the results of the instructions may vary based on hardware support.
Chrome
114
Firefox
146
Safari
—
Edge
114
Status: Incomplete cross-engine support
Limited
Instructions accept 64-bit memory indexes.
Chrome
133
Firefox
134
Safari
—
Edge
133
Status: Incomplete cross-engine support
The WebAssembly builtin string functions mirror a subset of the JavaScript String API and adapt it to be efficiently callable without JavaScript glue code.
Chrome
130
Firefox
134
Safari
—
Edge
130
Status: Incomplete cross-engine support
A single module in WebAssembly can have multiple memories.
Chrome
120
Firefox
125
Safari
—
Edge
120
Status: Incomplete cross-engine support