Gowron's robe disappears after he announces Quark and Grilka's wedding is official.
In Keiko & Miles' final conversation, he says Bajor is a 3-hour ride away. In earlier episodes it was always said to be 5.
When Quark throws his weapon away during his duel, it lands against a wall, well past the steps, but after the duel, the weapon has moved to the steps, just above where D'Ghor's weapon lands on the floor.
When Bashir and O'Brien are talking about the arboretum at the replimat, the hand that O'Brien uses to hold onto the PADD keeps changing as the camera angles switch back and forth.