On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 26 on 2013-03-26
In Chrome Android version 26 on 2013-04-03
In Edge version 12 on 2015-07-29
In Firefox version 3.6 on 2010-01-21 Note: Gradients are limited to background-image, border-image, and mask-image.
In Firefox for Android version 4 on 2011-03-29 Note: Gradients are limited to background-image, border-image, and mask-image.
In Internet Explorer version 10 on 2012-10-26
In Quest Browser version 5.0 on undefined
In Opera version 12.1 on 2012-11-20
In Opera Android version 12.1 on 2012-10-09
In Safari version 7 on 2013-10-22
In Safari on iOS version 7 on 2013-09-18
In Samsung Internet version 1.5 on 2013-09-25
In WebView Android version 4.4 on 2013-12-09
In WebView on iOS version 7 on 2013-09-18