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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 - 154: Supported
  3. ✅ 155: Supported
  4. ✅ 156 - 158: Supported

Edge

  1. ◐ 12 - 17: Partial support
  2. ✅ 18 - 154: Supported
  3. ✅ 155: Supported

Safari

  1. ◐ 3.1 - 6: Partial support
  2. ✅ 6.1 - 26.6: Supported
  3. ✅ 27: Supported
  4. ✅ 27.1 - TP: Supported

Firefox

  1. ❌ 2 - 3: Not supported
  2. ◐ 3.5 - 48: Partial support
  3. ✅ 49 - 157: Supported
  4. ✅ 158: Supported
  5. ✅ 159 - 161: Supported

Opera

  1. ❌ 9 - 10.1: Not supported
  2. ◐ 10.5 - 12: Partial support
  3. ✅ 12.1 - 134: Supported
  4. ✅ 135: Supported

IE

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

Chrome for Android

  1. ✅ 155: Supported

Safari on iOS

  1. ◐ 3.2 - 6.1: Partial support
  2. ✅ 7 - 26.6: Supported
  3. ✅ 27.0: Supported
  4. ✅ 27.1 - 27.2: Supported

Samsung Internet

  1. ✅ 4 - 29: Supported
  2. ✅ 30: Supported

Opera Mini

  1. ◐ all: Partial support

Opera Mobile

  1. ◐ 10 - 12.1: Partial support
  2. ✅ 80: Supported

UC Browser for Android

  1. ✅ 15.5: Supported

Android Browser

  1. ◐ 2.1 - 4.3: Partial support
  2. ✅ 4.4 - 4.4.4: Supported
  3. ✅ 155: Supported

Firefox for Android

  1. ✅ 158: Supported

QQ Browser

  1. ✅ 14.9: Supported

Baidu Browser

  1. ✅ 13.52: Supported

KaiOS Browser

  1. ◐ 2.5: Partial support
  2. ✅ 3: Supported

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