Around 11:50 (11 minutes, 50 seconds), during the entire exchange between Michonne and Carol, several of Michonne's dreadlocks keep switching from behind her right shoulder, to in front of her right shoulder.
At about 2:20 when the scene between Gabriel and Neegan starts, it's raining and there are puddles on the street. During their talk one can see the rain through the cell window. When Gabriel leaves a couple of seconds later, it miraculously stopped raining and everything is dry (horses and people passing by, the pavement, the stairs next to the jail entrance) .