WebAssembly Threads and Atomics
- WDAn extension to WebAssembly adding shared memory and atomic memory operations
Chrome
- ❌ 4 - 73: Not supported
- ✅ 74 - 130: Supported
- ✅ 131: Supported
- ✅ 132 - 134: Supported
Edge
- ❌ 12 - 18: Not supported
- ✅ 79 - 130: Supported
- ✅ 131: Supported
Safari
- ❌ 3.1 - 14: Not supported
- ✅ 14.1 - 18.1: Supported
- ✅ 18.2: Supported
- ✅ 18.3 - TP: Supported
Firefox
- ❌ 2 - 78: Not supported
- ✅ 79 - 132: Supported
- ✅ 133: Supported
- ✅ 134 - 136: Supported
Opera
- ❌ 9 - 60: Not supported
- ✅ 62 - 113: Supported
- ✅ 114: Supported
IE
- ❌ 5.5 - 10: Not supported
- ❌ 11: Not supported
Chrome for Android
- ✅ 131: Supported
Safari on iOS
- ❌ 3.2 - 14.4: Not supported
- ✅ 14.5 - 18.1: Supported
- ✅ 18.2: Supported
- ✅ 18.3: Supported
Samsung Internet
- ❌ 4 - 10.1: Not supported
- ✅ 11.1 - 26: Supported
- ✅ 27: Supported
Opera Mini
- ❌ all: Not supported
Opera Mobile
- ❌ 10 - 12.1: Not supported
- ✅ 80: Supported
UC Browser for Android
- ✅ 15.5: Supported
Android Browser
- ❌ 2.1 - 4.4.4: Not supported
- ✅ 131: Supported
Firefox for Android
- ✅ 132: Supported
QQ Browser
- ﹖ 14.9: Support unknown
Baidu Browser
- ﹖ 13.52: Support unknown
KaiOS Browser
- ❌ 2.5: Not supported
- ﹖ 3: Support unknown
Threads support in browsers also includes passive data segments (from the bulk-memory extension)
- Resources:
- Feature extension overview