Mozilla has released Firefox 96, an update to the browser that provides support for new CSS properties and functions, and adds image encoder support for the WebP format to the Canvas API.
Firefox 96 was published to release channel users on January 11. For CSS, Firefox now supports the c
olor-scheme property, which allows an element to indicate which color schemes in which it can be comfortably rendered. Also, the
counter-reset property now supports the
reversed() function for building reversed CSS counters, which are intended for numbering elements in descending order. The
reversed() functon can be used with the
list-item counter to number ordered lists in reverse order.
Firefox’s Canvas API for drawing graphics, meanwhile, gains image encoder support for the WebP image format. This allows canvas elements to export content as WebP data when using methods such as
- Cookies sent from the same domain but using different schemes are now considered to be from different sites with respect to the cookie SameSite directive. Also, cookies are assumed to be implicitly set
SameSiteattribute is not specified, and cookies with
SameSite=Nonerequire a secure context.
- The can
Share()API is now supported on Android, allowing code to check whether navig
ator.share()will succeed for particular targets. Also, the experimental Web Locks API is enabled by default, allowing web apps running in multiple tabs or workers to coordinate use of resources.
- For the DOM, the
IntersectionObserver()constructor now sets the default
rootMarginif an empty string is passed in the associated parameter option, rather than throwing an exception.
Elsewhere in Firefox 96, improvements have been made in noise suppression, auto-gain control, and echo-cancellation to provide a better overall sound experience. Main-thread load has been reduced as well. For security, Firefox will now enforce
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