OffscreenCanvas

- LS

OffscreenCanvas allows canvas drawing to occur with no connection to the DOM and can be used inside workers.

IE

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

Edge

  1. 12 - 18: Not supported
  2. 79 - 87: Supported
  3. 88: Supported

Firefox

  1. 2 - 43: Not supported
  2. 44 - 84: Disabled by default
  3. 85: Disabled by default
  4. 86 - 87: Disabled by default

Chrome

  1. 4 - 57: Not supported
  2. 58 - 68: Disabled by default
  3. 69 - 87: Supported
  4. 88: Supported
  5. 89 - 91: Supported

Safari

  1. 3.1 - 13.1: Not supported
  2. 14: Not supported
  3. TP: Not supported

Opera

  1. 9 - 44: Not supported
  2. 45 - 63: Disabled by default
  3. 64 - 72: Supported
  4. 73: Supported

iOS Safari

  1. 3.2 - 13.7: Not supported
  2. 14: Not supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 81: Supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 59: Supported

Chrome for Android

  1. 88: Supported

Firefox for Android

  1. 85: Disabled by default

UC Browser for Android

  1. 12.12: Not supported

Samsung Internet

  1. 4 - 9.2: Not supported
  2. 10.1 - 12.0: Supported
  3. 13.0: Supported

QQ Browser

  1. 10.4: Not supported

Baidu Browser

  1. 7.12: Not supported

KaiOS Browser

  1. 2.5: Disabled by default
Resources:
MDN article
WebGL off the main thread - Mozilla Hacks article