This version include a new album interface display mode named list-view. Icon view can be switched to a flat item list, where items can be sorted by properties columns as in a simple file manager. Columns can be customized to show file, image, metadata, or digiKam properties.Face recognition is planned for the next digiKam 3.3.0 release. You can see the progress on YouTube. It seems that it should be released on 3.2.0, but the developer doesn't seem to think it's ready for public usage.
Go get the source or wait for your distribution to package this application