hi @BubbleBunz
There is a post on this
Fortnite Ecosystem v31.00 with Known Issues - General / Announcements - Epic Developer Community Forums (unrealengine.com)
My initial testing on the UEFN Feature
Skydomes not working since new update V31.00 - General / Issues and Bug Reporting - Epic Developer Community Forums (unrealengine.com)
Broke in 31.00