I'd like to suggest a couple of things. 

Couldn't find anything recent in forums regarding this: I'd like to use WSAD for scrolling around. Or at least make it configurable. I am pretty sure many gamers use WSAD + mouse combination. Arrow keys are too close to mouse and you have to move hand to E and other shortcuts.

Please make UI responsive, it makes a huge difference. This means that when you do something there are no delays and what I consider very important - make everything skippable. Unit attacking, moving or dying - left click to skip. Anything that takes more than a few 100ms, on mouse click, skip. Recent game Warlock does this pretty well.

 Now, for the bonus points, at least for enemy turns, implement go back  or undo functionality. So, you are clicking like mad and enemy does something important but you miss it as you are too trigger happy

Press back or undo a couple of times and you can replay the action. Of course that shouldn't work for tactical battles.