The Shortcut STRG+U to look at ArtWork full size don’t work.
After the redesigne of the surface Filters -> Highlight Field -> Duplicate MusicBrainz Unique ID doesn’t work (no highlight) at least when the line was changed (the floppy disc sign in the status column)
Before 3.8.2 you could select more than one song and click on the Context Menu -> Play sound and all songs were transfered to the music player. (It worked with up to 4 songs).
Now only the last song is send to the music player.