I was building loads of recruits in my barracks, then a block went wrong and I lost some elites which I needed to rebuild urgently. I rearranged my barracks queue and shortly after logged out.
An hour or so later I log back in to find my barracks queue in total disarray, not in the order I had left it. Additionally one batch of elites in the middle of the queue only had the instant complete option - no option to cancel or reorder
Having spent the best part of 20m clicking the little arrows to get the priority things building first (man this interface needs a move to top and move to bottom button) I was pretty miffed to find it was a complete waste of time.