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 - 103: Supported
  4. 104: Supported
  5. 105 - 107: Supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 103: Supported
  3. 104: Supported

Safari

  1. 3.1 - 15.5: Not supported
  2. 15.6: Not supported
  3. 16.0 - TP: Not supported

Firefox

  1. 2 - 102: Not supported
  2. 103: Not supported
  3. 104 - 105: Not supported

Opera

  1. 9 - 40: Not supported
  2. 41 - 47: Disabled by default
  3. 48 - 88: Supported
  4. 89: Supported
  5. 90: Supported

IE

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

Chrome for Android

  1. 104: Supported

Safari on iOS

  1. 3.2 - 15.4: Not supported
  2. 15.5: Not supported
  3. 16.0: Not supported

Samsung Internet

  1. 4 - 7.4: Not supported
  2. 8.2 - 17.0: Supported
  3. 18.0: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

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

UC Browser for Android

  1. 12.12: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 104: Not supported

Firefox for Android

  1. 101: Not supported

QQ Browser

  1. 10.4: Supported

Baidu Browser

  1. 7.12: Not supported

KaiOS Browser

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