Can I use
?

TLS 1.3

- OTHER

Version 1.3 (the latest one) of the Transport Layer Security (TLS) protocol. Removes weaker elliptic curves and hash functions.

IE

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

Edge

  1. 12 - 18: Not supported
  2. 79 - 86: Supported
  3. 87: Supported

Firefox

  1. 2 - 50: Not supported
  2. 51 - 59: Disabled by default
  3. 60 - 62: Partial support
  4. 63 - 82: Supported
  5. 83: Supported
  6. 84 - 85: Supported

Chrome

  1. 4 - 53: Not supported
  2. 54 - 69: Disabled by default
  3. 70 - 86: Supported
  4. 87: Supported
  5. 88 - 90: Supported

Safari

  1. 3.1 - 12: Not supported
  2. 12.1 - 13.1: Partial support
  3. 14: Supported
  4. TP: Supported

Opera

  1. 9 - 53: Not supported
  2. 54 - 56: Disabled by default
  3. 57 - 71: Supported
  4. 72: Supported

iOS Safari

  1. 3.2 - 12.1: Not supported
  2. 12.2 - 13.7: Supported
  3. 14: Supported

Opera Mini

  1. all: Not supported

Android Browser

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

Blackberry Browser

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

Opera Mobile

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

Chrome for Android

  1. 86: Supported

Firefox for Android

  1. 82: Supported

IE Mobile

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

UC Browser for Android

  1. 12.12: Not supported

Samsung Internet

  1. 4 - 9.2: Not supported
  2. 10.1 - 11.2: Supported
  3. 12.0: Supported

QQ Browser

  1. 10.4: Not supported

Baidu Browser

  1. 7.12: Not supported

KaiOS Browser

  1. 2.5: Not supported
Resources:
Chrome support bug
Wikipedia article about TLS 1.3
UserVoice support request