When Alex says, "I didn't think it would end this way," he is unconsciously echoing the Captain of the MCRN Donnager, who says the same thing right before scuttling the ship.
Naomi's Belter creole is re-emerging as she settles in on the refitted Mormon ship.
When Julie Mao is arguing with her father and says, "Forget you!", her mouth is actually saying the F-word. Clearly her dialog was looped for basic cable.