On the standards track: Yes
Is Experimental: Yes
Is Deprecated: No
Not in Chrome
Not in Chrome Android
Not in Edge
In Firefox version 74 on 2020-03-10
Not in Firefox for Android
Not in Internet Explorer
Not in Quest Browser
Not in Opera
Not in Opera Android
In Safari version 11.1 on 2018-04-12
In Safari on iOS version 11.3 on 2018-03-29
Not in Samsung Internet
Not in WebView Android