1. Rebeccapurple color

    The new color added in CSS Color Module Level 4

  2. HTML Media Capture

    Facilitates user access to a device's media capture mechanism, such as a camera, or microphone, from within a file upload control.

  3. ImageCapture API

    The Image Capture API provides access to the Video Camera for taking photos while configuring picture-specific settings such as e.g. zoom or auto focus metering area.

  4. Media Capture from DOM Elements API

    API to capture Real-Time video and audio from a DOM element, such as a `<video>`, `<audio>`, or `<canvas>` element via the `captureStream` method, in the form of a `MediaStream`

  5. WebVTT - Web Video Text Tracks

    Format for marking up text captions for multimedia resources.

  6. capturecontroller api

  7. capturecontroller api: decreasezoomlevel

  8. capturecontroller api: forwardwheel

  9. capturecontroller api: getsupportedzoomlevels

  10. capturecontroller api: increasezoomlevel

  11. capturecontroller api: resetzoomlevel

  12. capturecontroller api: setfocusbehavior

  13. capturecontroller api: zoomlevel

  14. capturecontroller api: `zoomlevelchange` event

  15. document api: captureevents

  16. htmlcanvaselement api: capturestream

  17. htmlinputelement api: capture

  18. htmlmediaelement api: capturestream

  19. htmltableelement api: caption

  20. vrdisplay api: capabilities

  21. window api: captureevents

  22. css property: caption-side

  23. css property: caption-side: bottom

  24. css property: caption-side: bottom-outside

  25. css property: caption-side: top

  26. css property: caption-side: top-outside

  27. css property: caption-side: `top` and `bottom` are relative to the `writing-mode` value

  28. css property: font: caption

  29. css property: text-box-edge: cap

  30. css property: text-box: cap

  31. css property: text-transform: capitalize

  32. types: `<text-edge>`: cap

  33. html element: caption

  34. html element: caption: align

  35. html element: input: capture

  36. headers http header: permissions-policy: captured-surface-control

  37. javascript built-in: error: capturestacktrace

  38. regular_expressions: capturing group: `(...)`

  39. regular_expressions: named capture group: `(?<name>...)`

  40. regular_expressions: named capture group: `(?<name>...)`: duplicate names in different disjunction alternatives are allowed