Can I use
?

WebAssembly Import/Export of Mutable Globals

- WD

An extension to WebAssembly import and export of mutable global variables

Chrome

  1. ❌ 4 - 73: Not supported
  2. ✅ 74 - 141: Supported
  3. ✅ 142: Supported
  4. ✅ 143 - 145: Supported

Edge

  1. ❌ 12 - 18: Not supported
  2. ✅ 79 - 141: Supported
  3. ✅ 142: Supported

Safari

  1. ❌ 3.1 - 11.1: Not supported
  2. ✅ 12 - 26.0: Supported
  3. ✅ 26.1: Supported
  4. ✅ 26.2 - TP: Supported

Firefox

  1. ❌ 2 - 60: Not supported
  2. ✅ 61 - 144: Supported
  3. ✅ 145: Supported
  4. ✅ 146 - 148: Supported

Opera

  1. ❌ 9 - 58: Not supported
  2. ✅ 60 - 121: Supported
  3. ✅ 122: Supported

IE

  1. ❌ 5.5 - 10: Not supported
  2. ❌ 11: Not supported

Chrome for Android

  1. ✅ 142: Supported

Safari on iOS

  1. ❌ 3.2 - 11.4: Not supported
  2. ✅ 12 - 18.6: Supported
  3. ✅ 26.0: Supported
  4. ✅ 26.1: Supported

Samsung Internet

  1. ❌ 4 - 10.1: Not supported
  2. ✅ 11.1 - 28: Supported
  3. ✅ 29: Supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10 - 12.1: Not supported
  2. ✅ 80: Supported

UC Browser for Android

  1. ✅ 15.5: Supported

Android Browser

  1. ❌ 2.1 - 4.4.4: Not supported
  2. ✅ 142: Supported

Firefox for Android

  1. ✅ 144: Supported

QQ Browser

  1. ﹖ 14.9: Support unknown

Baidu Browser

  1. ﹖ 13.52: Support unknown

KaiOS Browser

  1. ❌ 2.5: Not supported
  2. ﹖ 3: Support unknown
Resources:
Feature extension overview