For the comfort of other PC gamers I would like to see added support of the use of W-A-S-D keys as directional keys.
I know that the A-S-D keys are currently attached to equipped tools/mounts etc., but it would be simple to keep the space bar as the action key (due to the lack of a jump mechanic) and move the tool select keys to the 1-2-3 keys, e.g. "1" to select/deselect a mount and "space" to use sword. The only problem here is the grab mechanic, which would have to be moved to a different key.
This is purely an opinion, opposition is expected. An obvious fix to the opposition would be to make this setup an option in settings, such as the d-pad vs. the thumb-pad on mobile.