1. Constraint Validation API

    API for better control over form field validation. Includes support for `checkValidity()`, `setCustomValidity()`, `reportValidity()` and validation states.

  2. IntersectionObserver V2

    Iteration on the original API that also reports if the element is covered by another element or has filters applied to it. Useful for blocking clickjacking attempts or tracking ad exposure.

  3. cspviolationreportbody api: tojson

  4. deprecationreportbody api: tojson

  5. fence api: setreporteventdataforautomaticbeacons

  6. fence api: setreporteventdataforautomaticbeacons: separate `reserved.top_navigation_start` and `reserved.top_navigation_commit` `eventtype` values

  7. htmlbuttonelement api: reportvalidity

  8. interventionreportbody api: tojson

  9. reportbody api: tojson

  10. reportingobserver api: `reportingobserver()` constructor

  11. report api: tojson

  12. request api: `request()` constructor: `init.attributionreporting` parameter

  13. rtcstatsreport api: [symbol.iterator]

  14. rtcstatsreport api: `candidate-pair` stats: `totalroundtriptime` in 'candidate-pair' stats

  15. rtcstatsreport api: `data-channel` stats: `protocol` in 'data-channel' stats

  16. rtcstatsreport api: `inbound-rtp` stats: `totalaudioenergy` in 'inbound-rtp' stats

  17. rtcstatsreport api: `inbound-rtp` stats: `totaldecodetime` in 'inbound-rtp' stats

  18. rtcstatsreport api: `inbound-rtp` stats: `totalinterframedelay` in 'inbound-rtp' stats

  19. rtcstatsreport api: `inbound-rtp` stats: `totalprocessingdelay` in 'inbound-rtp' stats

  20. rtcstatsreport api: `inbound-rtp` stats: `totalsamplesduration` in 'inbound-rtp' stats

  21. rtcstatsreport api: `inbound-rtp` stats: `totalsamplesreceived` in 'inbound-rtp' stats

  22. rtcstatsreport api: `inbound-rtp` stats: `totalsquaredinterframedelay` in 'inbound-rtp' stats

  23. rtcstatsreport api: `local-candidate` stats: `protocol` in 'local-candidate' stats

  24. rtcstatsreport api: `media-playout` stats: `totalplayoutdelay` in 'media-playout' stats

  25. rtcstatsreport api: `media-playout` stats: `totalsamplescount` in 'media-playout' stats

  26. rtcstatsreport api: `media-playout` stats: `totalsamplesduration` in 'media-playout' stats

  27. rtcstatsreport api: `media-source` stats: `totalaudioenergy` in 'media-source' stats

  28. rtcstatsreport api: `media-source` stats: `totalsamplesduration` in 'media-source' stats

  29. rtcstatsreport api: `outbound-rtp` stats: `totalencodedbytestarget` in 'outbound-rtp' stats

  30. rtcstatsreport api: `outbound-rtp` stats: `totalencodetime` in 'outbound-rtp' stats

  31. rtcstatsreport api: `outbound-rtp` stats: `totalpacketsenddelay` in 'outbound-rtp' stats

  32. rtcstatsreport api: `remote-candidate` stats: `protocol` in 'remote-candidate' stats

  33. rtcstatsreport api: `remote-inbound-rtp` stats: `totalroundtriptime` in 'remote-inbound-rtp' stats

  34. rtcstatsreport api: `remote-outbound-rtp` stats: `totalroundtriptime` in 'remote-outbound-rtp' stats

  35. headers http header: content-security-policy: report-to

  36. headers http header: report-to