December 2022 web platform update
Newly available on the web platform
Newly available
-
Small, large, and dynamic viewport units: The
sv*
,lv*
, anddv*
CSS viewport units are relative to the smallest, largest, and current (dynamic) viewport size. They are used to size elements in relation to the viewport's dimensions. Learn more. -
WebGL OES_draw_buffers_indexed extension: The
OES_draw_buffers_indexed
extension to WebGL allows you to control blending on a per-color basis when writing to multiple color buffers simultaneously. Learn more.
Now available in Edge
Limited availability
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content-visibility: The
content-visibility
CSS property delays rendering an element, including layout and painting, until it is needed. Learn more.
Now available in Firefox
Limited availability
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Import maps: A
<script type="importmap">
HTML element provides an import map as a JSON string. An import map controls how the browser should resolve module specifiers when importing JavaScript modules. Learn more. -
sin(), cos(), tan(), asin(), acos(), atan(), and atan2(): The
sin()
,cos()
,tan()
,asin()
,acos()
,atan()
, andatan2()
CSS functions compute various trigonometric functions. Learn more. -
Web MIDI: The Web MIDI API enables selecting MIDI input and output devices and sending and receiving MIDI messages. Learn more.
Now available in Firefox for Android
Limited availability
-
Import maps: A
<script type="importmap">
HTML element provides an import map as a JSON string. An import map controls how the browser should resolve module specifiers when importing JavaScript modules. Learn more. -
sin(), cos(), tan(), asin(), acos(), atan(), and atan2(): The
sin()
,cos()
,tan()
,asin()
,acos()
,atan()
, andatan2()
CSS functions compute various trigonometric functions. Learn more.
Now available in Safari
Limited availability
-
color-mix(): The
color-mix()
function mixes two colors in a given color space and by a given amount. Commonly, lighter or darker variations of a color are created by mixing with white or black. Learn more. -
font-variant-alternates: The
font-variant-alternates
CSS property, along with the@font-feature-values
at-rule, chooses when to use a font's alternate glyphs. Learn more.
Now available in Safari on iOS
Limited availability
-
color-mix(): The
color-mix()
function mixes two colors in a given color space and by a given amount. Commonly, lighter or darker variations of a color are created by mixing with white or black. Learn more. -
font-variant-alternates: The
font-variant-alternates
CSS property, along with the@font-feature-values
at-rule, chooses when to use a font's alternate glyphs. Learn more.