More control in color correction
I've been using mobile apps as Lr Mobile and Rush, some of the work I've been doing lately requires to be edited right on location, and this apps have been a great help. But as Lr is very powerful as it is, Rush could be a bit more. Could be handy to have more control in color correction, like curves, shadow/highlight tint, Import color presets or luts, maybe Lr presets even. Or maybe an option to activate a more pro color panel similar to Lumetri.
Another thing, speed ramps and key frames, being able to scale in or scale out would be awesome.