1. In tactical battles, before an attack takes place, allow the player to undo the movement. I have often clicked on the wrong square and screwed up my battle. Having an undo would be great. Before attacking there aren't any spoilers so there shouldn't be any issues game-play wise.
Seconded. Especially with the camera angle seeming to effect what square you actually "clicked" on, as compared to where you *think* you clicked...
2. When you ask a player to leave your territory they should remember that for a period of time, say 15 to 20 turns. Gets quite annoying when every turn you are forcing back the AI pioneers before they can settle into your homelands. I'd actually be really happy if borders could only be crossed if you had an alliance with them.
This, and the messages about, "player x is growing out of control, we must do something!" which show up EVERY TURN until you tell the AI to screw off.
5. Identical units that happen to go before the other units are still often locked in behind the front line and so waste their first turn. Please rearrange this so players can either set-up their own placement in battles or ensure the order troops attack is taken into consideration when placing them - not just relying on their class for placement.
My issue with this is more when, say you have a mage champion who happens to have a melee weapon. They get stuck on the front lines and it just so happens the enemy, this battle, has a high init bruiser who one-shots your mage because, of course, his/her defense stat is non-existent. Or the system decides, "I'm gonna stick your primary melee unit(s) 2 squares from the enemy and 5 squares from your rangers."
6. When you declare war I'd really feel better if there was a 'Are you sure?' screen just in case you accidentally click on it.
Or just about anything you can't take back easily. Possibly make this an option so people who don't care can screw up at will?
8. Following on from the Turn button, please introduce an option to have a pop-up if cities stop producing. The ZZZZZ is terribly passive and you lose sight of it anyway once you have a reasonable number of cities.
You can sort of achieve this by setting the option to auto-turn if you don't have any units without move orders or cities without build queues, but there are other things which make this option highly annoying.
Edit: aaaand... this forum has no idea what a multi-quote structure is...