Can I use
?

HTTP/3 protocol

- OTHER

Upcoming version of the HTTP networking protocol, which is currently a draft. Previously known as HTTP-over-QUIC. Uses QUIC as its transport layer protocol.

IE

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

Edge

  1. 12 - 85: Not supported
  2. 86: Not supported

Firefox

  1. 2 - 71: Not supported
  2. 72 - 80: Disabled by default
  3. 81: Disabled by default
  4. 82 - 83: Disabled by default

Chrome

  1. 4 - 78: Not supported
  2. 79 - 85: Disabled by default
  3. 86: Disabled by default
  4. 87 - 89: Disabled by default

Safari

  1. 3.1 - 13.1: Not supported
  2. 14: Partial support
  3. TP: Partial support

Opera

  1. 9 - 70: Not supported
  2. 71: Not supported

iOS Safari

  1. 3.2 - 13.7: Not supported
  2. 14: Disabled by default

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 81: Not supported

Blackberry Browser

  1. 7: Not supported
  2. 10: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 59: Not supported

Chrome for Android

  1. 85: Not supported

Firefox for Android

  1. 79: Disabled by default

IE Mobile

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

UC Browser for Android

  1. 12.12: Not supported

Samsung Internet

  1. 4 - 11.2: Not supported
  2. 12.0: Not supported

QQ Browser

  1. 10.4: Not supported

Baidu Browser

  1. 7.12: Not supported

KaiOS Browser

  1. 2.5: Not supported
Resources:
Wikipedia article about HTTP/3