Don't animate alpha directly on UIVisualEffectView
Don't animate alpha directly on UIVisualEffectView

jackywpy/MRProgress,mrackwitz/MRProgress,odyth/MRProgress,odyth/MRProgress,AddAloner/MRProgress,yungfan/MRProgress,hanangellove/MRProgress,colemancda/MRProgress,zaubara/MRProgress,hanangellove/MRProgress,jackywpy/MRProgress,zaubara/MRProgress,AlexanderMazaletskiy/MRProgress,colemancda/MRProgress,yarry/MRProgress,boherna/MRProgress,mrackwitz/MRProgress,yungfan/MRProgress,boherna/MRProgress,AlexanderMazaletskiy/MRProgress,yarry/MRProgress,zaubara/MRProgress,AddAloner/MRProgress