* Pro: Fix parent page not filtered by language in the block editor since WP 5.6
* Pro: Fix XLIFF mime type for PHP 7.0 and PHP 7.1
* Fix settings page displaying the media modules whne no language are defined
* Enforce Yoast SEO to use dynamic permalinks #882
* Yoast SEO: Fix static front page and blog page breadcrumb
* Add compatibility with WordPress 5.8
* Raise Minimum WordPress version to 5.4
* Pro: Allow to filter blocks by language in the widget block editor
* Pro: Allow to export and import XLIFF files for string translations
* Pro: Add the language switcher in the navigation block (experimental)
* Pro: Replace dashicons by svg icons in the block editor
* Pro: The Events Calendar: Add compatibility with Views V2 (only for sites using only one domain)
* Pro: Fix + icon displayed in the block editor sidebar when the user cannot create a translation
* Add a warning section to the site health for posts and terms without languages #825
* Require the simplexml extension in the site health if a wpml-config.xml is found #827
* Remove the information about the WPML compabitility mode in settings #843
* The browser preferred language detection is now deactivated by default
* The media are now untranslated by default
* Highlight the language filter in the admin toolbar when it's active #821
* Allow to query comments in multiple languages (just as posts and terms) #840
* Don't disable the translation input field in the classic metabox #841 Props Onatcer
* Optimize all images including flags #848 Props lowwebtech
* Don't redirect if WordPress doesn't validate the redirect url to avoid redirects to /wp-admin/ #879
* Fix media appearing to have a language after the language is changed in the media library grid view #807
* Fix media not all deleted when bulk deleting from the grid view of the media library #830
* Fix when more than one language switcher are added to the same menu #853
* Fix PHP notice when adding a CPT archive link to a menu #868 Props davidwebca