Web platform features explorer

📃 January 2022 release notes

Newly available

The following features are newly available:

  • font-synthesis: The font-synthesis CSS shorthand property disables all font synthesis except the given kinds. To disable a specific kind of font synthesis, instead use the longhand properties such as font-synthesis-style and font-synthesis-weight.

New in Chrome

The following features are now available in Chrome:

  • Array findLast() and findLastIndex(): The findLast() and findLastIndex() methods of arrays and typed arrays search an array in reverse order for the first item that satisfies a test function.
  • font-synthesis-small-caps: The font-synthesis-small-caps CSS property sets whether or not the browser should synthesize small caps typefaces when they're missing from the font.
  • font-synthesis-style: The font-synthesis-style CSS property sets whether or not the browser should synthesize italic and oblique typefaces when they're missing from the font.
  • font-synthesis-weight: The font-synthesis-weight CSS property sets whether or not the browser should synthesize bold typefaces when they're missing from the font.
  • WebTransport: The WebTransport API transmits data between a client and a server, by using the HTTP/3 protocol.

New in Chrome Android

The following features are now available in Chrome Android:

  • Array findLast() and findLastIndex(): The findLast() and findLastIndex() methods of arrays and typed arrays search an array in reverse order for the first item that satisfies a test function.
  • font-synthesis-small-caps: The font-synthesis-small-caps CSS property sets whether or not the browser should synthesize small caps typefaces when they're missing from the font.
  • font-synthesis-style: The font-synthesis-style CSS property sets whether or not the browser should synthesize italic and oblique typefaces when they're missing from the font.
  • font-synthesis-weight: The font-synthesis-weight CSS property sets whether or not the browser should synthesize bold typefaces when they're missing from the font.
  • WebTransport: The WebTransport API transmits data between a client and a server, by using the HTTP/3 protocol.

New in Edge

The following features are now available in Edge:

  • Array findLast() and findLastIndex(): The findLast() and findLastIndex() methods of arrays and typed arrays search an array in reverse order for the first item that satisfies a test function.
  • font-synthesis-small-caps: The font-synthesis-small-caps CSS property sets whether or not the browser should synthesize small caps typefaces when they're missing from the font.
  • font-synthesis-style: The font-synthesis-style CSS property sets whether or not the browser should synthesize italic and oblique typefaces when they're missing from the font.
  • font-synthesis-weight: The font-synthesis-weight CSS property sets whether or not the browser should synthesize bold typefaces when they're missing from the font.
  • WebTransport: The WebTransport API transmits data between a client and a server, by using the HTTP/3 protocol.

New in Firefox

The following features are now available in Firefox:

  • color-scheme: The color-scheme CSS property sets which color schemes (light or dark) an element uses and may prevent automatic dark mode adjustments by the browser.
  • Reversed counter-reset: The reversed() CSS function for counter-reset creates a counter that counts down.
  • HWB: The hwb() CSS function picks colors using hue, whiteness, and blackness channels.
  • Locks: The navigator.locks API coordinates work with shared resources through mutually exclusive ownership of a resource's name. Also known as web locks.

New in Firefox for Android

The following features are now available in Firefox for Android:

  • color-scheme: The color-scheme CSS property sets which color schemes (light or dark) an element uses and may prevent automatic dark mode adjustments by the browser.
  • Reversed counter-reset: The reversed() CSS function for counter-reset creates a counter that counts down.
  • HWB: The hwb() CSS function picks colors using hue, whiteness, and blackness channels.
  • Locks: The navigator.locks API coordinates work with shared resources through mutually exclusive ownership of a resource's name. Also known as web locks.