Along with the expansion, a free update 3.10 has become available, expanding the base game.
In Astral Planes, players can use various opportunities to explore new phenomena and dangers of the universe. In particular, new technologies, actions and relics have been added that allow you to manipulate space and interact with the galaxy in new ways; astral planes appeared, each of which has unexpected properties; The storyline has been expanded with new moral forks.
Simultaneously with Astral Planes, update 3.10 “Pyxis” was released, free for all players. Along with the usual updates and bug fixes, this patch introduces leader consolidation, updates to civics, tradition trees, leader perks, and a host of other changes.