Having to open a city, buy a tile, then get out out the city menu, go to the builder and improve the tile. I realize builders don't belong to a city so having it all be one click is a little more complicated then there other actions but there should be a way.
I don't remember if I posted that before. It's been an anoyance from the release of the game.
In World Congress votes on religion there's no indicator which religion belongs to which civ. Having more information on all the votes would be nice. I don't always remember which lux's i have or even which districts I have that need buildings.