Platform/2023PlannedWork

This article is a stub. You can help MozillaWiki by expanding it.

Gecko Planned Work For 2023

Warning: This is page is actively in-progress and is incomplete.

Related Links:

• Firefox Release Calendar (future)
• Firefox release notes for developers (past)
• Pocket Guide: Shipping Firefox

These are areas of work planned for Gecko in 2023 for the Web Platform.

For current web platform documentation of these areas, see the subsections at:

• https://developer.mozilla.org/en-US/docs/Web/

HTML

• ...
• autocapitalize attribute (1692007)
• inert attribute (1764263)
• translate attribute (1418449)
• ...

CSS

• animation-composition property (1293490)
• calc() support infinity and NaN constants (1830759)
• Color functions: color(), lab() and lch(), oklab() and oklch() (meta 1293490)
• color-gamut (1422237)
• Constructable Stylesheets (meta 1520690)
• Container Queries (meta 1744221)
• content property support all image types including <gradient>, image-set(), url(). (1684958)
• content-visibility property (meta 1660384)
• :has pseudo-class (meta 418039)
• :lang() pseudo-class support string-matching semantics (including * wildcards) for matching language codes and comma-separated lists of languages (1121792)
• :nth-child selector supports children based on An+B rule that also matches a defined selector. See (1808229)
• @page named pages with page property (1787947)
• scripting media feature support (1166581)
• system-color values Mark, MarkText, and ButtonBorder (1638052)
• -webkit-text-security property (1826629)

SVG

• ...
• context-stroke and context-fill values inside <marker> (752638)
• crossorigin attribute support in <image> and <feImage> (1240357)
• ...

JS

• ...
• Array.fromAsync() (1795816)
• Array.toReversed() .toSorted() .toSpliced() .with(), TypedArrays.toReversed() .toSorted() .with() (1811057)
• CanvasRenderingContext2D.reset() (1709347)
• Compression Streams API, including compress and decompress data using the gzip and deflate formats (1823619)
• OffscreenCanvasRenderingContext2D.reset() (1709347)
• Workers support loading ECMAScript modules. (1812591)
• Worklets support import to statically import ECMAscript/JavaScript modules (1812591)
• ...

APIs

• ...
• CSSImportRule.supportsText support getting any supports() conditions specified using @import (1829590)
• getAutoplayPolicy() (1773551)
• getDirectory() for OPFS with File System Access API (1785123)
• roundRect() (1756175)
• Compression Streams (1823619)
• Opaque Response Blocking (ORB, 1532642)
• Response: json() static method (1758943)
• URL.canParse() (1823354)
• WebTransport API (1692754, 1818754, 1791835)
• Window.print() print dialog on Android, to print current document (1809922)
• ...

DOM

• ...
• CSSContainerRule (1787173)
• scrollend events (1797013, 1803435)
• ...

WebRTC

• ...
• RTCRtpSender.getCapabilities() (1531460)
• RTCRtpReceiver.getCapabilities() (1531461)
• RTCRtpSender.setStreams() (1510802)
• RTCSctpTransport, RTCPeerConnection.sctp (1278299)
• RTCMediaSourceStats (1804678)
• RTCPeerConnection.connectionState (1265827)
• RTCPeerConnectionStats (1265827)
• ...

HTTP

• ...
• CSP 'unsafe-hashes' value for source directives (1343950)
• ...

Media

• ...
• AV1 video codec support on Android with hardware accelerated decoding if available (1672276)
• ...

See Also

• Platform
• Platform/Planning
• Platform/2022PlannedWork