Really like this new grouping option.
With Album Covers View grouped by any available option except Album, clicking on the A-Z jump bar throws this:
MusicBee v3.0.5906.39927 (Win6.1), 3 Mar 2016 20:15:
System.NullReferenceException: Object reference not set to an instance of an object.
at MusicBee.MusicBeeMain.#=qT42rTq_Onvqj8rbAuWOXCNmhloZJDS6mnczG83EfDeo=.#=qlzvYxO3iaKX2dwGwppJG2t_s3p7h$cXHuhCZTBBErsA=.#=qyv17O_xln3MVMsWiMXUMrw==(String #=qxVEg23SXg4sRu_lubdpDmg==, Boolean #=q4WbxNh8B$JGd6tYfzSNDLdoocSGlV9zTcW4O$4vuCZU=)
at MusicBee.MusicBeeMain.#=qT42rTq_Onvqj8rbAuWOXCNmhloZJDS6mnczG83EfDeo=.#=q71Rq8gkz$a$dM9mKLq0dGg==(String #=qYi1BYK2FGBWprAvhnULWaA==, Boolean #=qztEB3ZmbQ6jpUgMyjIsAR7AuvePU8QsSOjLoKr$mOFQ=)
at MusicBee.MusicBeeMain.#=qnIhapIwOqIV8HwO4sZ6QBw==(String #=qyZS4Db$V9zvYeyacCDV23Q==)
at MusicBee.MusicBeeMain.#=q5UM7JMj3OZ4Q_kB_rsEkbw==.#=qR5tjdVGsmfUnrI8l$q$bRw==(MouseEventArgs #=qKGipUMuCreGeoQ0qIT99FQ==)
at MusicBee.MusicBeeMain.OnMouseClick(MouseEventArgs #=q3erydH7r1bXDdSQ0fLgfXg==)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
at System.Windows.Forms.Form.WndProc(Message& m)
at #=q9kidJTGSY8SvvftDXHKnxNckLsv7pvPRRv2HaeybrWY=.WndProc(Message& #=qUz41NjDxRgFQFGpLc_6_7A==)
at MusicBee.MusicBeeMain.WndProc(Message& #=q7t16TY6mtMEwikwK215RhA==)
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)