It's been said before, but since it hasen't changed and I am of the opinion that this is really important, I'm bringing it up again: the prone condition is broken.
During my turn when I am prone or fall prone, I should be able to use half of my movement to stand up again. As it stands, not only am I not able to actively stand up from prone, my turn is immediately skipped when I fall prone, even if I still have an action and/or bonus actions that I can use. Please, please, change this according to D&D 5e rules.