1. Beacon API

    Allows data to be sent asynchronously to a server with `navigator.sendBeacon`, even after a page was closed. Useful for posting analytics data the moment a user was finished using the page.

  2. mediakeysession api: closed

  3. readablestreambyobreader api: closed

  4. readablestreamdefaultreader api: closed

  5. rtcstatsreport api: `peer-connection` stats: `datachannelsclosed` in 'peer-connection' stats

  6. webtransport api: closed

  7. window api: closed

  8. writablestreamdefaultwriter api: closed

  9. css property: list-style-type: disclosure-closed

  10. css selector: closed