* Fixed the “Waiting for Extension Adblock Plus…” problem which some users were experiencing (https://issues.adblockplus.org/ticket/7065).
* Added the new @hide-if-contains-image@ snippet (https://issues.adblockplus.org/ticket/7088).
* Added the new @hide-if-has-and-matches-style@ snippet (https://issues.adblockplus.org/ticket/7137).

* Added the new abort-on-property-read snippet.
* Fixed a bug where an issue reporter screenshot was submitted without annotations under certain circumstances.

* Redesigned the first-run page.
* Redesigned the icon popup.
* Polished the design of the issue reporter and begun including a screenshot with each report.
* Made the following improvements to the settings page.
* Snippet filters are now required to be restricted to at least one domain.
* Started logging snippet filter hits in our developer tools panel.
* Removed support for legacy :-abp-properties() syntax.
* Special comments are now required to be given at the top of filter lists.
* Added the EasyList Portuguese filter list.
* Added the new dir-string snippet to simulate logging in the developer tools console.
* Reduced the initial memory footprint by ~16%, base memory usage by ~28%, and memory used per frame by ~660 KB.
* Fixed: Layout shifted after opening dialog for adding new filter list on the settings page.
* Fixed: Blank values for snippet arguments were ignored.
* Fixed: Sometimes all subscriptions were listed as additional subscriptions.
* Fixed: $rewrite filters using wildcards didn’t match end of URL.
* Fixed: $csp filters with blank value caused errors due to injection of an invalid header.
* Fixed: Element hiding emulation filters for the domain localhost were considered invalid.
* Fixed: Snippet filters were ignored if the user resubscribed to the ABP anti-circumvention filter list.
* Reverted to using inline styles for element hiding emulation filters.
* Ported the hide-if-contains-and-matches-style snippet.

* Added regular expression support to the "hide-if-contains" and "hide-if-shadow-contains" snippets.
* Added support to the "hide-if-contains" snippet for hiding a different ancestor of the element containing the search string.
* Fixed source archives.