The keyboard on Dr Pershing's desk is a modified Commodore C64 (or possibly a VIC20) home computer, first released in 1982.
The place where Dr. Pershing is speaking with the people of Coruscant is the opera house where Anakin met with Palpatine in Star Wars: Episode III - Revenge of the Sith (2005).
While Dr. Pershing and Elia are walking through the entertainment plaza, the music heard in the background is carnival styled version of "March of the Resistance" from the sequel trilogy, which has been used as the theme for the New Republic in other episodes of this series.
This is the first time Coruscant is shown in live action after the fall of the Empire in Star Wars: Episode VI - Return of the Jedi (1983).
Contrast this with a live-action Coruscant at the Empire's height, in Andor (2022).
Contrast this with a live-action Coruscant at the Empire's height, in Andor (2022).
This is the first time that the planet Coruscant (referred to as the "center of the galaxy") is defined as an "ecumenopolis".