Canvas (basic support)

- LS

Method of generating fast, dynamic graphics using JavaScript.

IE

  1. 5.5: Not supported
  2. 6 - 8: Not supported (but has polyfill available)
  3. 9 - 10: Supported
  4. 11: Supported

Edge

  1. 12 - 85: Supported
  2. 86: Supported

Firefox

  1. 2 - 3.5: Partial support
  2. 3.6 - 80: Supported
  3. 81: Supported
  4. 82 - 83: Supported

Chrome

  1. 4 - 85: Supported
  2. 86: Supported
  3. 87 - 89: Supported

Safari

  1. 3.1 - 3.2: Partial support
  2. 4 - 13.1: Supported
  3. 14: Supported
  4. TP: Supported

Opera

  1. 9 - 70: Supported
  2. 71: Supported

iOS Safari

  1. 3.2 - 13.7: Supported
  2. 14: Supported

Opera Mini

  1. all: Partial support

Android Browser

  1. 2.1 - 2.3: Partial support
  2. 3 - 4.4.4: Supported
  3. 81: Supported

Blackberry Browser

  1. 7: Supported
  2. 10: Supported

Opera Mobile

  1. 10 - 12.1: Supported
  2. 59: Supported

Chrome for Android

  1. 85: Supported

Firefox for Android

  1. 79: Supported

IE Mobile

  1. 10: Supported
  2. 11: Supported

UC Browser for Android

  1. 12.12: Supported

Samsung Internet

  1. 4 - 11.2: Supported
  2. 12.0: Supported

QQ Browser

  1. 10.4: Supported

Baidu Browser

  1. 7.12: Supported

KaiOS Browser

  1. 2.5: Supported

For screen readers, IE, Chrome & Firefox support the accessible canvas element sub-DOM. Firefox & Chrome also support the drawfocus ring.

Resources:
Animation kit
MDN Web Docs - Canvas API
Tutorial by Mozilla
Another tutorial
Implementation for Internet Explorer
has.js test
Canvas Tutorial & Cheat Sheet
Sub-features:
Text API for Canvas
WebGL - 3D Canvas graphics
Canvas blend modes
WebGL 2.0
Path2D