CSS Grid Layout (level 1)

- CR

Method of using a grid concept to lay out content, providing a mechanism for authors to divide available space for layout into columns and rows using a set of predictable sizing behaviors. Includes support for all grid-* properties and the fr unit.

IE

  1. 5.5 - 8: Not supported
  2. 9: Not supported (but has polyfill available)
  3. 10: Partial support
  4. 11: Partial support

Edge

  1. 12 - 15: Partial support
  2. 16 - 85: Supported
  3. 86: Supported

Firefox

  1. 2 - 18: Not supported
  2. 19 - 39: Not supported (but has polyfill available)
  3. 40 - 51: Disabled by default
  4. 52 - 53: Supported
  5. 54 - 80: Supported
  6. 81: Supported
  7. 82 - 83: Supported

Chrome

  1. 4 - 24: Not supported
  2. 25 - 28: Not supported (but has polyfill available)
  3. 29 - 56: Disabled by default
  4. 57: Supported
  5. 58 - 85: Supported
  6. 86: Supported
  7. 87 - 89: Supported

Safari

  1. 3.1 - 5.1: Not supported
  2. 6 - 10: Not supported (but has polyfill available)
  3. 10.1 - 13.1: Supported
  4. 14: Supported
  5. TP: Supported

Opera

  1. 9 - 27: Not supported
  2. 28 - 43: Disabled by default
  3. 44 - 70: Supported
  4. 71: Supported

iOS Safari

  1. 3.2 - 5.1: Not supported
  2. 6 - 10.2: Not supported (but has polyfill available)
  3. 10.3 - 13.7: Supported
  4. 14: Supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.1: Not supported
  2. 4.2 - 4.4.4: Not supported (but has polyfill available)
  3. 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. 85: Supported

Firefox for Android

  1. 79: Supported

IE Mobile

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

UC Browser for Android

  1. 12.12: Supported

Samsung Internet

  1. 4: Not supported (but has polyfill available)
  2. 5: Not supported
  3. 6.2 - 11.2: Supported
  4. 12.0: Supported

QQ Browser

  1. 10.4: Supported

Baidu Browser

  1. 7.12: Not supported

KaiOS Browser

  1. 2.5: Supported

See also support for subgrids

Resources:
Polyfill based on old spec
Polyfill based on new spec
Css Grid By Example: Everything you need to learn CSS Grid Layout
Mozilla: Introduction to CSS Grid Layout
WebKit Blog post