On the standards track: Yes
Is Experimental: Yes
Is Deprecated: No
In Chrome version 131 on 2024-11-12 Note: Dedicated workers and WebExtension service workers, not shared workers and non-WebExtension service workers. WebExtension service workers only.
Not in Chrome Android
In Edge version 131 on 2024-11-14 Note: Dedicated workers and WebExtension service workers, not shared workers and non-WebExtension service workers. WebExtension service workers only.
Not in Firefox
Not in Firefox for Android
Not in Internet Explorer
Not in Quest Browser
In Opera version 116 on 2025-01-08 Note: Dedicated workers and WebExtension service workers, not shared workers and non-WebExtension service workers. WebExtension service workers only.
Not in Opera Android
Not in Safari
Not in Safari on iOS
Not in Samsung Internet
Not in WebView Android
Not in WebView on iOS