Firefox Beta and Developer Edition
Release Notes

A simpler and more unified dialog for clearing user data is now available.
In addition to streamlining data categories, the new dialog also provides insights into the site data size corresponding to the selected time range.

Enabled AV1 hardware decode acceleration on macOS for M3 Macs.

For consistency with Firefox desktop and addons.mozilla.org, Firefox for Android's "add-ons" settings have been renamed to "Extensions".

Added an option to disable/enable the Developer Tools' Split console feature

Added support for the shape() function on clip-path property.

Added support for the shape() function on offset-path property.

Added support for interpolation between path() function and shape() function.

Implemented URL.parse(). Unlike the URL constructor, which throws when parsing fails, the static URL.parse() method instead returns null.

The CSS zoom property has been enabled by default following a lot of web compatibility and standardization work in the CSSWG.

Added support for CSS Custom :state() and CustomStateSet.

Aded support for Screen Wake Lock API.

Added support for IDBFactory.databases for enumeration of IndexedDB databases.