WebUSB

- UNOFF

Allows communication with devices via USB (Universal Serial Bus).

Chrome

  1. 4 - 53: Not supported
  2. 54 - 60: Disabled by default
  3. 61 - 128: Supported
  4. 129: Supported
  5. 130 - 132: Supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 128: Supported
  3. 129: Supported

Safari

  1. 3.1 - 17.6: Not supported
  2. 18.0: Not supported
  3. 18.1 - TP: Not supported

Firefox

  1. 2 - 129: Not supported
  2. 130: Not supported
  3. 131 - 133: Not supported

Opera

  1. 9 - 40: Not supported
  2. 41 - 47: Disabled by default
  3. 48 - 113: Supported
  4. 114: Supported

IE

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

Chrome for Android

  1. 129: Supported

Safari on iOS

  1. 3.2 - 17.6: Not supported
  2. 18.0: Not supported
  3. 18.1: Not supported

Samsung Internet

  1. 4 - 7.4: Not supported
  2. 8.2 - 24: Supported
  3. 25: 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. 129: Not supported

Firefox for Android

  1. 130: Not supported

QQ Browser

  1. 14.9: Not supported

Baidu Browser

  1. 13.52: Supported

KaiOS Browser

  1. 2.5: Not supported
  2. 3: Not supported
Resources:
Google Developers article
Mozilla Specification Positions: Harmful