Image parameter adjustment
I can't see the exact parameters that I'm using to increase the exposure or saturation of my images, and if I want to get the exact same exposure increase for another of my images, it's difficult. This makes consistency in long term design pose a difficulty.

New UI
Changing button icons or changing the position of buttons without improving the experience or adding functionality is not friendly to long-term users.
 

Prototypes
I have seen to your growth, and I have seen your efforts, and your intentions. But the limitations of prototype still persist, such as the complaints about all the “on scroll” interacts, also including the inability to trigger a change when the global value changes.