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CSS Backdrop Filter

- UNOFF

Method of applying filter effects (like blur, grayscale or hue) to content/elements below the target element.

Chrome

  1. ❌ 4 - 46: Not supported
  2. ❌ 47 - 75: Disabled by default
  3. ✅ 76 - 136: Supported
  4. ✅ 137: Supported
  5. ✅ 138 - 140: Supported

Edge

  1. ❌ 12 - 16: Not supported
  2. ✅ 17 - 18: Supported
  3. ✅ 79 - 136: Supported
  4. ✅ 137: Supported

Safari

  1. ❌ 3.1 - 8: Not supported
  2. ✅ 9 - 17.6: Supported
  3. ✅ 18.0 - 18.4: Supported
  4. ✅ 18.5: Supported
  5. ✅ 26.0 - TP: Supported

Firefox

  1. ❌ 2 - 69: Not supported
  2. ❌ 70 - 102: Disabled by default
  3. ✅ 103 - 138: Supported
  4. ✅ 139: Supported
  5. ✅ 140 - 142: Supported

Opera

  1. ❌ 9 - 33: Not supported
  2. ❌ 34 - 63: Disabled by default
  3. ✅ 64 - 116: Supported
  4. ✅ 117: Supported

IE

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

Chrome for Android

  1. ✅ 137: Supported

Safari on iOS

  1. ❌ 3.2 - 8.4: Not supported
  2. ✅ 9 - 17.7: Supported
  3. ✅ 18.0 - 18.4: Supported
  4. ✅ 18.5: Supported
  5. ✅ 26.0: Supported

Samsung Internet

  1. ❌ 4: Not supported
  2. ❌ 5 - 11.2: Disabled by default
  3. ✅ 12.0 - 27: Supported
  4. ✅ 28: Supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10 - 12.1: Not supported
  2. ✅ 80: Supported

UC Browser for Android

  1. ✅ 15.5: Supported

Android Browser

  1. ❌ 2.1 - 4.4.4: Not supported
  2. ✅ 137: Supported

Firefox for Android

  1. ✅ 139: Supported

QQ Browser

  1. ❌ 14.9: Not supported

Baidu Browser

  1. ✅ 13.52: Supported

KaiOS Browser

  1. ❌ 2.5: Not supported
  2. ❌ 3: Not supported
Resources:
WebKit bug to unprefix `-webkit-backdrop-filter`
MDN Web Docs - CSS backdrop filter
Blog post