1. Client Hints: DPR, Width, Viewport-Width

    DPR, Width, and Viewport-Width hints enable proactive content negotiation between client and server, enabling automated delivery of optimized assets - e.g. auto-negotiating image DPR resolution.

  2. CSS3 tab-size

    Method of customizing the width of the tab character. Only effective using 'white-space: pre', 'white-space: pre-wrap', and 'white-space: break-spaces'.

  3. naturalWidth & naturalHeight image properties

    Properties defining the intrinsic width and height of the image, rather than the displayed width & height.

  4. Intrinsic & Extrinsic Sizing

    Allows for the heights and widths to be specified in intrinsic values using the `max-content`, `min-content`, `fit-content` and `stretch` (formerly `fill`) properties.

  5. CSS min/max-width/height

    Method of setting a minimum or maximum width or height to an element.

  6. rtcdtlstransport api

  7. rtcdtlstransport api: `error` event

  8. rtcdtlstransport api: getremotecertificates

  9. rtcdtlstransport api: icetransport

  10. rtcdtlstransport api: state

  11. rtcdtlstransport api: `statechange` event

  12. rtcdtmfsender api

  13. rtcdtmfsender api: caninsertdtmf

  14. rtcdtmfsender api: insertdtmf

  15. rtcdtmfsender api: tonebuffer

  16. rtcdtmfsender api: `tonechange` event

  17. rtcdtmftonechangeevent api

  18. rtcdtmftonechangeevent api: `rtcdtmftonechangeevent()` constructor

  19. rtcdtmftonechangeevent api: tone

  20. rtcrtpsender api: dtmf

  21. rtcstatsreport api: `transport` stats: `dtlscipher` in 'transport' stats

  22. rtcstatsreport api: `transport` stats: `dtlsrole` in 'transport' stats

  23. rtcstatsreport api: `transport` stats: `dtlsstate` in 'transport' stats

  24. screen api: width

  25. trustedtypepolicy api

  26. trustedtypepolicyfactory api

  27. trustedtypepolicyfactory api: createpolicy

  28. trustedtypepolicyfactory api: defaultpolicy

  29. trustedtypepolicyfactory api: emptyhtml

  30. trustedtypepolicyfactory api: emptyscript

  31. trustedtypepolicyfactory api: getattributetype

  32. trustedtypepolicyfactory api: getpropertytype

  33. trustedtypepolicyfactory api: ishtml

  34. trustedtypepolicyfactory api: isscript

  35. trustedtypepolicyfactory api: isscripturl

  36. trustedtypepolicy api: createhtml

  37. trustedtypepolicy api: createscript

  38. trustedtypepolicy api: createscripturl

  39. trustedtypepolicy api: name

  40. trustedtypes api

  41. xrrigidtransform api

  42. xrrigidtransform api: inverse

  43. xrrigidtransform api: matrix

  44. xrrigidtransform api: orientation

  45. xrrigidtransform api: position

  46. xrrigidtransform api: `xrrigidtransform()` constructor

  47. html element: dt