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CSS3 Overflow-wrap

- CR

Allows lines to be broken within words if an otherwise unbreakable string is too long to fit. Currently mostly supported using the word-wrap property.

Chrome

  1. 4 - 22: Partial support
  2. 23 - 107: Supported
  3. 108: Supported
  4. 109 - 111: Supported

Edge

  1. 12 - 17: Partial support
  2. 18 - 106: Supported
  3. 107: Supported

Safari

  1. 3.1 - 6: Partial support
  2. 6.1 - 16.0: Supported
  3. 16.1: Supported
  4. 16.2 - TP: Supported

Firefox

  1. 2 - 3: Not supported
  2. 3.5 - 48: Partial support
  3. 49 - 106: Supported
  4. 107: Supported
  5. 108 - 109: Supported

Opera

  1. 9 - 10.1: Not supported
  2. 10.5 - 12: Partial support
  3. 12.1 - 91: Supported
  4. 92: Supported

IE

  1. 5.5 - 10: Partial support
  2. 11: Partial support

Chrome for Android

  1. 107: Supported

Safari on iOS

  1. 3.2 - 6.1: Partial support
  2. 7 - 16.0: Supported
  3. 16.1: Supported

Samsung Internet

  1. 4 - 18.0: Supported
  2. 19.0: Supported

Opera Mini

  1. all: Partial support

Opera Mobile

  1. 10 - 12.1: Partial support
  2. 72: Supported

UC Browser for Android

  1. 13.4: Supported

Android Browser

  1. 2.1 - 4.3: Partial support
  2. 4.4 - 4.4.4: Supported
  3. 107: Supported

Firefox for Android

  1. 106: Supported

QQ Browser

  1. 13.1: Supported

Baidu Browser

  1. 13.18: Supported

KaiOS Browser

  1. 2.5: Partial support

Partial support refers to requiring the legacy name "word-wrap" (rather than "overflow-wrap") to work.

Resources:
Bug on Firefox support
MDN Web Docs - CSS overflow-wrap
WebPlatform Docs