Removed admin user language feature in sites running WordPress 4.7 or higher and included migration logic while upgrading WP. This feature is now integrated to WordPress itself.
Automatically download themes and plugins languages packs for active languages.
Fixed multisite install compatibility issue with WP 4.6+ using sunrise.
Fixed a compatibility issue with Yoast redirections.
Fixed an issue with the browser redirection when using languages with regional variations (e.g. fr-CA).
On multisite, the main site settings are not altered anymore during sub-site setup.
Fixed a login redirection issue in sites with languages configured as domain.
Fixed a redirection issue Nginx servers with language configured as domain.
Fixed issue with cloning non object values for wp_query object.
Fixed page template synchronization if template is set to default.
Replaced Snoopy class with the WP_Http class.
Fixed a compatibility issue with get_option('siteurl') in sites with languages set as domain.