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
  2. 9
  3. 10
  4. 11

Edge

  1. 12 - 15
  2. 16 - 81
  3. 83

Firefox

  1. 2 - 18
  2. 19 - 39
  3. 40 - 51
  4. 52 - 53
  5. 54 - 75
  6. 76
  7. 77 - 78

Chrome

  1. 4 - 24
  2. 25 - 28
  3. 29 - 56
  4. 57
  5. 58 - 81
  6. 83
  7. 84 - 86

Safari

  1. 3.1 - 5.1
  2. 6 - 10
  3. 10.1 - 13
  4. 13.1
  5. TP

Opera

  1. 9 - 27
  2. 28 - 43
  3. 44 - 67
  4. 68

iOS Safari

  1. 3.2 - 5.1
  2. 6 - 10.2
  3. 10.3 - 13.3
  4. 13.4

Opera Mini

  1. all

Android Browser

  1. 2.1 - 4.1
  2. 4.2 - 4.4.4
  3. 81

Blackberry Browser

  1. 7
  2. 10

Opera Mobile

  1. 10 - 12.1
  2. 46

Chrome for Android

  1. 81

Firefox for Android

  1. 68

IE Mobile

  1. 10
  2. 11

UC Browser for Android

  1. 12.12

Samsung Internet

  1. 4
  2. 5
  3. 6.2 - 10.1
  4. 11.1

QQ Browser

  1. 10.4

Baidu Browser

  1. 7.12

KaiOS Browser

  1. 2.5

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