1. CSS3 selectors

    Advanced element selection using selectors including: `[foo^="bar"]`, `[foo$="bar"]`, `[foo*="bar"]`, `:root`, `:nth-child()`, `:nth-last-child()`, `:nth-of-type()`, `:nth-last-of-type()`, `:last-child`, `:first-of-type`, `:last-of-type`, `:only-child`, `:only-of-type`, `:empty`, `:target`, `:enabled`, `:disabled`, `:checked`, `:not()`, `~` (general sibling)

  2. High-quality kerning pairs & ligatures

    When used in HTML, the unofficial `text-rendering: optimizeLegibility` CSS property enables high-quality kerning and ligatures in certain browsers. Newer browsers have this behavior enabled by default.

  3. audiotrack api: enabled

  4. canvasrenderingcontext2d api: imagesmoothingenabled

  5. document api: fullscreenenabled

  6. document api: pictureinpictureenabled

  7. document api: querycommandenabled

  8. gpudevice api: createrenderpipelineasync: `depthcompare` and `depthwriteenabled` properties are optional when not needed (for example, formats without depth).

  9. gpudevice api: createrenderpipeline: `depthcompare` and `depthwriteenabled` properties are optional when not needed (for example, formats without depth).

  10. gpusupportedfeatures api: `subgroups` feature: `subgroup_id` and `num_subgroups` wgsl builtins available if `subgroups` feature enabled

  11. mediastreamtrack api: enabled

  12. midiaccess api: sysexenabled

  13. mimetype api: enabledplugin

  14. navigator api: cookieenabled

  15. navigator api: javaenabled

  16. navigator api: pdfviewerenabled

  17. navigator api: taintenabled

  18. offscreencanvasrenderingcontext2d api: imagesmoothingenabled

  19. paintrenderingcontext2d api: imagesmoothingenabled

  20. paymentmanager api: enabledelegations

  21. webgl2renderingcontext api: isenabled

  22. webglrenderingcontext api: isenabled

  23. xrsession api: enabledfeatures

  24. css selector: `:enabled`