Animated PNG (APNG)

- WD

Like animated GIFs, but allowing 24-bit colors and alpha transparency

Chrome

  1. 4 - 58: Not supported
  2. 59 - 120: Supported
  3. 121: Supported
  4. 122 - 124: Supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 120: Supported
  3. 121: Supported

Safari

  1. 3.1 - 7.1: Not supported
  2. 8 - 17.2: Supported
  3. 17.3: Supported
  4. 17.4 - TP: Supported

Firefox

  1. 2: Not supported
  2. 3 - 121: Supported
  3. 122: Supported
  4. 123 - 125: Supported

Opera

  1. 9: Not supported
  2. 9.5 - 12.1: Supported
  3. 15 - 45: Not supported
  4. 46 - 105: Supported
  5. 106: Supported

IE

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

Chrome for Android

  1. 121: Supported

Safari on iOS

  1. 3.2 - 7.1: Not supported
  2. 8 - 17.2: Supported
  3. 17.3: Supported

Samsung Internet

  1. 4 - 6.4: Not supported
  2. 7.2 - 22: Supported
  3. 23: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Supported
  2. 73: Supported

UC Browser for Android

  1. 15.5: Supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 121: Supported

Firefox for Android

  1. 122: Supported

QQ Browser

  1. 13.1: Supported

Baidu Browser

  1. 13.18: Supported

KaiOS Browser

  1. 2.5: Supported
  2. 3: Supported

Where support for APNG is missing, only the first frame is displayed

Resources:
Chrome extension providing support
Chromium issue (fixed)
Wikipedia
Polyfill using canvas