web-feature: Audio and video tracks

The audioTracks and videoTracks APIs for media elements switch audio and video tracks during playback.

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

WPE MiniBrowser

Linux

2026-10

Servo

Android

2026-10

ArkWeb

HarmonyOS

*

Chrome Browser

Android

*

Safari Browser

iOS

8