why delete some unique features in Galaxy M30?

[sanu2k]

▪︎In one UI 2 update some unique camera features are deleted. 

i.e. portrait dolly and portrait backdrop

▪︎swipe gesture for changing apps from one app to another app in navigation buttons also have been deleted. 

I'm also requesting to give a clipboard in Samsung keyboard. It may help us for better communication. 

Please give these unique features to make your devices better than others brand. 

Give the update soon...