2020-11-16

WebKit (WebCore)

• Added: CSS Aspect ratio property

  Status	In Development

2020-10-23

WebKit (WebCore)

• Added: Date and Time Input Types

  Status	Partially Supported

2020-10-21

WebKit (WebCore)

• Added: Lazy image loading

  Status	In Development

2020-08-11

WebKit (WebCore)

• Added: Cross-Origin Resource Policy

  Status	Supported

• Added: HTTP Cache Partitioning

  Status	Supported

• Added: Client-Side Storage Partitioning

  Status	Supported

2020-08-04

Edge

• Added: Client-side video editing (MediaBlob)

  Status	Not Supported

2020-07-23

WebKit (WebCore)

• Changed: Async Clipboard API

  Status	In Development	→	Supported

• Added: CSS Selector :focus-visible

  Status	Under Consideration
  EnabledByDefault	false

• Added: CSS Containment Level 1

  Status	Under Consideration
  EnabledByDefault	false

2020-07-22

WebKit (WebCore)

• Changed: Web App Manifest

  Status	In Development	→	Partially Supported

• Added: inert attribute

  Status	Under Consideration
  EnabledByDefault	false

2020-06-23

Firefox

• Changed: CSS Motion Path

  Status	in-development	→	shipped
  Channel	(n/a)	→	release
  Version	(n/a)	→	72

• Changed: CSS Subgrids

  Status	in-development	→	shipped
  Channel	(n/a)	→	release
  Version	(n/a)	→	71

• Changed: Link Rel Preload

  Status	shipped	→	in-development
  Channel	release	→	(n/a)
  Version	56	→	(n/a)

• Added: CSS individual transform properties

  Status	shipped
  Channel	release
  Version	72

• Added: CSS min(), max(), and clamp()

  Status	shipped
  Channel	release
  Version	75

• Added: Event-based form participation

  Status	shipped
  Channel	release
  Version	72

• Added: Feature policy

  Status	shipped
  Channel	release
  Version	73

• Added: HTML <img> lazy loading

  Status	shipped
  Channel	release
  Version	75

• Added: MathML

  Status	shipped
  Channel	release
  Version	1

• Added: Media Session API

  Status	shipped
  Channel	release
  Version	71

• Added: Shadow Parts

  Status	shipped
  Channel	release
  Version	72

• Added: Text Decoration 4

  Status	shipped
  Channel	release
  Version	70

2020-06-15

WebKit (JavaScriptCore)

• Added: BigInt

  Status	Supported
  EnabledByDefault	true