The XX-23-S-thread tracker used by the Inquisitor was first mentioned in a 1991 West End Games role playing game guide book titled "Cracken's Rebel Field Guide".
Ezra instinctively repeats the mantra "I am one with the Force", a longer version of which will be used by Chirrut Îmwe in Rogue One: A Star Wars Story (2016): "I am one with the Force and the Force is with me".
The tracker attached to the Phantom's hull on a 'Allied Van Lines' logo that is also on the Millennium Falcon in the original trilogy.
Admiral Konstantine's Imperial I-Class Star Destroyer is called "Relentless".
This is part 2 of Empire Day.