web-feature: WebVTT cue settings

Widely available

The VTTCue API updates various aspects of cues dynamically, such as alignment, size and position.

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

WPE MiniBrowser

Linux

2026-09

Servo

Android

2026-09

ArkWeb

HarmonyOS

*

Chrome Browser

Android

25

Safari Browser

iOS

8