October 2021 web platform update

Now available in Chrome

Limited availability

• contain-intrinsic-size: The contain-intrinsic-size CSS property sets the intrinsic size of an element. When using size containment, the browser will lay out the element as if it had a single child of this size. Learn more.

• Eyedropper: The EyeDropper API opens an eyedropper tool, a color picker that allows users to select a color from their screen. Learn more.

• URLPattern: The URLPattern API creates patterns that can be matched against URLs or URL components. Learn more.

Now available in Chrome Android

Limited availability

• contain-intrinsic-size: The contain-intrinsic-size CSS property sets the intrinsic size of an element. When using size containment, the browser will lay out the element as if it had a single child of this size. Learn more.

• URLPattern: The URLPattern API creates patterns that can be matched against URLs or URL components. Learn more.

Now available in Edge

Limited availability

• contain-intrinsic-size: The contain-intrinsic-size CSS property sets the intrinsic size of an element. When using size containment, the browser will lay out the element as if it had a single child of this size. Learn more.

• Eyedropper: The EyeDropper API opens an eyedropper tool, a color picker that allows users to select a color from their screen. Learn more.

• URLPattern: The URLPattern API creates patterns that can be matched against URLs or URL components. Learn more.

Now available in Firefox

Limited availability

• AVIF: AVIF (AV1 Image File Format) is an image format based on the AV1 video format. Learn more.

Now available in Firefox for Android

Limited availability

• AVIF: AVIF (AV1 Image File Format) is an image format based on the AV1 video format. Learn more.