You can now create STAR WARS™ islands in UEFN and Fortnite Creative using curated assets, templates, characters, weapons, vehicles, and gameplay systems inspired by the STAR WARS universe.
40.00 also introduces several improvements, including the new Book of Verse programming reference, a redesigned UEFN Home Panel, and physics support for the Carryable Spawner device.
This release also adds Kappa Kappa Pickle Co. prefabs and galleries, and new items including the Stimpulse Grenade.
Read the full v40.00 release notes and fixes here: 40.00 Fortnite Ecosystem Updates and Release Notes | Fortnite Documentation | Epic Developer Community