Safari Technology Preview 105 and Safari in the latest iOS 14.3 beta enabled support for the MediaRecorder API by default.
On the Road to WebRTC 1.0, Including VP8
Safari 11 was the first Safari version to support WebRTC.
Workers at Your Service
Update: A previous version of this post stated the Service Worker API is available in all applications using WKWebView.
A Closer Look Into WebRTC
We recently announced WebRTC support in Safari 11 on High Sierra and iOS 11 in our last WebKit blog post.
Announcing WebRTC and Media Capture
Today we are thrilled to announce WebKit support for WebRTC, available on Safari on macOS High Sierra, iOS 11, and Safari Technology Preview 32.