I had this problem recently after moving from MM4 to MM5. Artwork [embedded as tags for all my files] was not displaying in Now Playing/Selected or in Artwork list view. I ended up deleting the existing cache files at the location specified in Tools > Options > General > Temp directory. After that, ...

First off, I'm really happy with how MM5 is coming together. Huge improvements since the last build I tested. ◾ The currently playing item, when not selected, is dark gray on dark gray, happens in multiple places in the UI. ◾ I don't see the currently playing item listed down in the player strip at ...