1. ECMAScript 5

    Full support for the ECMAScript 5 specification. Features include `Function.prototype.bind`, Array methods like `indexOf`, `forEach`, `map` & `filter`, Object methods like `defineProperty`, `create` & `keys`, the `trim` method on Strings and many more.

  2. navigator.hardwareConcurrency

    Returns the number of logical cores of the user's CPU. The value may be reduced to prevent device fingerprinting or because it exceeds the allowed number of simultaneous web workers.

  3. sandbox attribute for iframes

    Method of running external site pages with reduced privileges (e.g. no JavaScript) in iframes.

  4. prefers-reduced-motion media query

    CSS media query based on a user preference for preferring reduced motion (animation, etc).

  5. mlgraphbuilder api: reducel1

  6. mlgraphbuilder api: reducel2

  7. mlgraphbuilder api: reducelogsum

  8. mlgraphbuilder api: reducelogsumexp

  9. mlgraphbuilder api: reducemax

  10. mlgraphbuilder api: reducemean

  11. mlgraphbuilder api: reducemin

  12. mlgraphbuilder api: reduceproduct

  13. mlgraphbuilder api: reducesum

  14. mlgraphbuilder api: reducesumsquare

  15. observable api: reduce

  16. preferencemanager api: reduceddata

  17. preferencemanager api: reducedmotion

  18. preferencemanager api: reducedtransparency

  19. css at-rule: `@media`: `prefers-reduced-data` media feature

  20. css at-rule: `@media`: `prefers-reduced-motion` media feature

  21. css at-rule: `@media`: `prefers-reduced-transparency` media feature

  22. headers http header: `sec-ch-prefers-reduced-motion` request header

  23. headers http header: `sec-ch-prefers-reduced-transparency` request header

  24. javascript built-in: array: reduce

  25. javascript built-in: array: reduceright

  26. javascript built-in: iterator: reduce

  27. javascript built-in: typedarray: reduce

  28. javascript built-in: typedarray: reduceright