I like that an exploring unit is now excluded from the tab-cycle of units. However, I was confused for several minutes after accidentally triggering auto-explore on a unit, because the unit wouldn't tab, and when I clicked on the unit there was no indication that the unit was in explore mode.

Could we get some visual indication that a unit is in explore or guard mode, both in the army pane and in the army list (top left)? (Ok, I wasn't paying attention to the army list at the time, so maybe it's already there).

Along with that, I'd like to request better AI for the exploring armies to avoid nearby armies of equal or greater strength (otherwise your scouts won't last long unless you micromanage), and to look for the nearest unknown area it can find (sometimes it seems a unit wants to cross explored area to explore somewhere, when there is unexplored area right next to it).