Maybe this already exists and I didn't search enough but I think it would be nice to be able to add some commonly used microflow elements like an action or split from a keyboard shortcut.
Indeed! Related idea to vote on: https://forum.mendix.com/link/ideas/1969
Yes, could we please get a configuration of ctrl 1 till 9 in Studio Pro > Preferences to set up your own keyboard shortcuts for your desired microflow activities.
We're wasting precious time (and energy) mousing around!!