Applied the 3.4.7495.36519 patch, got this error message after switching playlist from track to Jukebox view, exiting MB, then restarting and beginning a song from the jukebox view list, which plays normally; pretty much repeatable:
MusicBee v3.4.7495.36519P (Win10.0), 9 Jul 2020 14:48:
System.NullReferenceException: Object reference not set to an instance of an object.
at #=zgeY_Na03jtcNMBza84h0RtBTiTx2.#=zR$a1IGpVPif90eNNdA==.#=zaWZIE9t6esZJCvCUv2Uz0uQ=.OnMouseMove(MouseEventArgs #=zHB5no$s=)
at System.Windows.Forms.Control.WmMouseMove(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at #=zPozs6m99UHS$szbwN8SkTRY=.WndProc(Message& #=zq72y0Q4=)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)