Web Serial API

- UNOFF

Allows communication with devices via a serial interface.

Chrome

  1. 4 - 77: Not supported
  2. 78 - 88: Disabled by default
  3. 89 - 124: Supported
  4. 125: Supported
  5. 126 - 128: Supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 88: Disabled by default
  3. 89 - 124: Supported
  4. 125: Supported

Safari

  1. 3.1 - 17.4: Not supported
  2. 17.5: Not supported
  3. 17.6 - TP: Not supported

Firefox

  1. 2 - 125: Not supported
  2. 126: Not supported
  3. 127 - 129: Not supported

Opera

  1. 9 - 64: Not supported
  2. 65 - 75: Disabled by default
  3. 76 - 108: Supported
  4. 109: Supported

IE

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

Chrome for Android

  1. 124: Not supported

Safari on iOS

  1. 3.2 - 17.4: Not supported
  2. 17.5: Not supported
  3. 17.6: Not supported

Samsung Internet

  1. 4 - 23: Not supported
  2. 24: Not supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 80: Not supported

UC Browser for Android

  1. 15.5: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 124: Not supported

Firefox for Android

  1. 125: Not supported

QQ Browser

  1. 14.9: Not supported

Baidu Browser

  1. 13.52: Not supported

KaiOS Browser

  1. 2.5: Not supported
  2. 3: Not supported
Resources:
Explainer
Mozilla position: harmful
Read from and write to a serial port
WebKit position: opposed