1. Canvas (basic support)

    Method of generating fast, dynamic graphics using JavaScript.

  2. contenteditable attribute (basic support)

    Method of making any HTML element editable.

  3. CSS Feature Queries

    CSS Feature Queries allow authors to condition rules based on whether particular property declarations are supported in CSS using the @supports at rule.

  4. CSS.supports() API

    The CSS.supports() static method returns a Boolean value indicating if the browser supports a given CSS feature, or not.

  5. Resource Timing (basic support)

    Method to help web developers to collect complete timing information related to resources on a document.

  6. SVG (basic support)

    Method of displaying basic Vector Graphics features using the embed or object elements. Refers to the SVG 1.1 spec.

  7. TTF/OTF - TrueType and OpenType font support

    Support for the TrueType (.ttf) and OpenType (.otf) outline font formats in @font-face.

  8. clipboarditem api: support for custom formats starting with `web `.

  9. clipboard api: supports `image/png` mime type

  10. clipboard api: supports `text/html` mime type

  11. clipboard api: supports `text/plain` mime type

  12. cssimportrule api: supportstext

  13. customelementregistry api: customized built-in element support

  14. domtokenlist api: supports

  15. fetch api: support for blob: and data:

  16. setinterval api: supports parameters for callback

  17. settimeout api: supports parameters for callback

  18. window api: getcomputedstyle: pseudo-element support

  19. worklet api: support for ecmascript modules

  20. css property: baseline-shift: super

  21. css property: display: list-item: supported on `<legend>`

  22. css property: font-variant-position: super

  23. css property: font-variant: super

  24. css property: font: support for `font-stretch` values in shorthand

  25. css property: resize: support on block level, replaced, table cell, or inline block elements

  26. css property: vertical-align: super

  27. css property: white-space: support on `<textarea>`

  28. css selector: `::after`: animation and transition support

  29. css selector: `::before`: animation and transition support

  30. css selector: `::marker`: animation and transition support

  31. html element: sup

  32. headers http header: content-security-policy: worker support

  33. headers http header: supports-loading-mode

  34. headers http header: supports-loading-mode: `credentialed-prerender` directive

  35. headers http header: supports-loading-mode: `fenced-frames` directive

  36. javascript built-in: intl: collator: supportedlocalesof

  37. javascript built-in: intl: datetimeformat: supportedlocalesof

  38. javascript built-in: intl: displaynames: supportedlocalesof

  39. javascript built-in: intl: durationformat: supportedlocalesof

  40. javascript built-in: intl: listformat: supportedlocalesof

  41. javascript built-in: intl: numberformat: supportedlocalesof

  42. javascript built-in: intl: pluralrules: supportedlocalesof

  43. javascript built-in: intl: relativetimeformat: supportedlocalesof

  44. javascript built-in: intl: segmenter: supportedlocalesof

  45. javascript built-in: intl: supportedvaluesof

  46. javascript built-in: json: javascript is a superset of json

  47. javascript built-in: string: sup

  48. javascript operator: super

  49. global_attributes: class: animation support

  50. emoji support