MusicBrainz Picard 2.8.4 Improvements

Picard-2589– Support media types “DualDisc (DVD side)” and “Betacam SP”
Bugfixes

Picard-2520: Null bytes in tag values can cause crashes when sorting
Picard-2539: Picard crashes on huge releases if no cover art provider is active
Picard-2548: Loaded album does not update cover art display
Picard-2549: Moving tracks between albums shows tracks differ even when they do not
Picard-2554: Submit AcoustIDs submits even IDs that are in center pane
Picard-2556: Player popovers for volume and playback speed crash on Wayland and open on wrong position
Picard-2557: Add New Tag autocomplete list contains value typed so far
Picard-2558: Floatable toolbars unusable under Wayland
Picard-2564: Options for “Windows compatibility” and “Replace non-ASCII” get incorrectly set to inactive
Picard-2565: Rules for file name compatibility and max. path shortening are not applied when saving cover art
Picard-2568: $cleanmulti()has no effect for hidden variables
Picard-2570: Unable to drag tracks from right hand pane to Clusters
Picard-2582: distutils.errors.DistutilsClassErrorwhen building withsetup.py
Picard-2588: QObject::startTimer: Timers can only be used with threads started with QThread