The Wayback Machine - https://web.archive.org/web/20211113062453/https://caniuse.com/wasm
Can I use ?

WebAssembly

- OTHER

WebAssembly or "wasm" is a new portable, size- and load-time-efficient format suitable for compilation to the web.

IE

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

Edge

  1. 12 - 14: Not supported
  2. 15: Disabled by default
  3. 16 - 94: Supported
  4. 95: Supported

Firefox

  1. 2 - 46: Not supported
  2. 47 - 51: Disabled by default
  3. 52: Supported
  4. 53 - 93: Supported
  5. 94: Supported
  6. 95 - 96: Supported

Chrome

  1. 4 - 50: Not supported
  2. 51 - 56: Disabled by default
  3. 57 - 94: Supported
  4. 95: Supported
  5. 96 - 98: Supported

Safari

  1. 3.1 - 10.1: Not supported
  2. 11 - 14.1: Supported
  3. 15: Supported
  4. TP: Supported

Opera

  1. 9 - 37: Not supported
  2. 38 - 43: Disabled by default
  3. 44 - 80: Supported
  4. 81: Supported

Safari on iOS

  1. 3.2 - 10.3: Not supported
  2. 11 - 14.8: Supported
  3. 15: Supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 95: Supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 64: Supported

Chrome for Android

  1. 95: Supported

Firefox for Android

  1. 92: Supported

UC Browser for Android

  1. 12.12: Not supported

Samsung Internet

  1. 4 - 6.4: Not supported
  2. 7.2 - 14.0: Supported
  3. 15.0: Supported

QQ Browser

  1. 10.4: Supported

Baidu Browser

  1. 7.12: Not supported

KaiOS Browser

  1. 2.5: Disabled by default
Resources:
WebAssembly on MDN
Official site