Implemented the env() environment variable CSS function.

Implemented the inset CSS shorthand property.

Implemented complex selectors for the :not() CSS pseudo-class.

Implemented the :is() and :where() CSS pseudo-classes.

Fixed an issue where the caret (text cursor) would sometimes not be properly visible.

Improved regular expression object handling so it can be properly garbage collected.

Fixed several crashes related to regular expression code.

Updated our promises and async function implementation to the current spec.

We could use your help evaluating the ones that are still there see the issue on our repo.

A number of site-specific overrides have been updated or removed because they are no longer necessary or current with the platform developments in terms of web compatibility.

Note that this may require some updates to tab extensions or themes. Tab titles in the browser now fade if they are too long instead of using ellipses, to provide a little more readable space to page titles.Shadow DOM and CustomElements, collectively making up WebComponents, have been enabled by default which should bring much broader web compatibility to the browser for many a site that uses web 2.0+ frameworks.Extensive and growing support for existing web standards.Support for a growing number of Pale Moon exclusive extensions.Support for many 'legacy' Firefox extensions.Increased stability: experience fewer browser crashes.Smooth and speedy page drawing and script processing.Support for easily-created lightweight themes (skins).Support for full themes: total freedom for any element's design.Familiar, efficient, fully customizable interface.Supported by our user community, and fully non-profit.Secure: Additional security features and security-aware development.Safe: forked from mature Mozilla code and regularly updated with the latest security patches.Based on our own optimized layout and rendering engine (Goanna).

Pale Moon offers you a browsing experience in a browser completely built from its own, independently developed source that has been forked off from Firefox/Mozilla code a number of years ago, with carefully selected features and optimizations to improve the browser's stability and user experience, while offering full customization and a growing collection of extensions and themes to make the browser truly your own. Make sure to get the most out of your browser! Pale Moon is an Open Source, Goanna-based web browser focused on efficiency and customization.

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