The realm rejoices as Paradox Interactive announces the launch of Crusader Kings III, the latest entry in the publisher’s grand strategy role-playing game franchise. Advisors may now jockey for positions of influence and adversaries should save their schemes for another day, because on this day Crusader Kings III can be purchased on Steam, the Paradox Store, and other major online retailers.
In the SimGameConstants.json line27 is a value for "MaxJumpDistance" set to 30. Have you played around with that one?
As long as there is a valid route to a system (does not have to be shortest!), don't fiddle with "MaxJumpDistance". There are significant lore reasons why it is 30LY.
I don't know that an item can trigger a map change. Right now I have only been able to see storyline / even triggers. I would like to figure out using 'weeks' triggers.