Image Editor - UI changes to 'accept' button
In order to edit images, you have to use three different scrollbars to do different things, including accepting each image change since the blue "accept" checkmark is below the fold of the screen. You have to scroll up with one scroll bar, scroll down with another to accept, scroll back up, and back down, and it's causing some confusion and frustration.
You can see what that looks like here:
Maybe the "Accept" button can be moved up to the top of the image as a start?