Release Notes: Bulgarian language support was added. An improved CSS file selector in the core plugin LocalFiles Editor. When you create a sub-album in a private album, admins and the album creator automatically get permission on it. New methods in the Piwigo API to set a photo as representative of an album or to set photo manual order in an album. To increase performance, Piwigo 2.2.0 removed a bit of randomness on thumbnails when an album has no defined representant. Piwigo 2.2.4 gives you back this randomness as an option. Better detection of upgrade failure.
Release Notes: Brazilian and Argentinian language support weres added. The ability to modify templates with a plugin was added. The ability to return to default settings for a given user was added. A bug was fixed in Croatian language support related to encoding. A bug was fixed in email sent on Free.fr Websites.