The Empire has implemented a new form of galactic registration known as the chain code, the Star Wars version of a social security number. Chain codes were first mentioned in Chapter 1: The Mandalorian (2019) when the client gave the Mandalorian a chain code belonging to his next mark.
Wrecker uses Gonky the Power Droid for his weightlifting routine, just like he did in A Distant Echo (2020).
A nexu was seen in this episode, they were first seen during the Battle of Geonosis in Star Wars: Episode II - Attack of the Clones (2002).
The Aurebesh text on the wall at the spaceport translates to "Imperial Informational Station".