I personally feel that approval time on EsoUI is really short. Usually it is almost instant and I never wait longer than 2 hours. If I update addon on Curse it could take up to 12 hours before site admin approve my uploads (right now my Dustman waiting for approval on Curse almost 5 hours).
http://www.esoui.com/forums/showthread.php?t=1787
http://www.esoui.com/forums/showthread.php?t=961