Summary
Breakable glass components (GlassProvider) fail to render in live UEFN/Creative sessions.s
Please select what you are reporting on:
Unreal Editor for Fortnite
What Type of Bug are you experiencing?
Assets
Steps to Reproduce
1: Open UEFN and create or open any island.
2: In the Content Browser, search for a building set containing breakable glass with GlassProvider blueprints (e.g., GoldSpoon Window C A or EclipseHotel).
3: Drag and drop the asset into the level. Observe that the glass renders correctly in the UEFN editor viewport.
4:Click Launch Session / Play to start a live game session.
Expected Result
The glass panes associated with the GlassProvider component should render inside the live game session just as they do in the UEFN editor viewport.
Observed Result
As soon as the live game session launches, all GlassProvider glass panels completely disappear/fail to initialize, leaving only empty frames and the dark metal structure.
Platform(s)
PC
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Additional Notes
This affects all modern architectural window sets utilizing the procedural GlassProvider blueprint system (such as GoldSpoon and EclipseHotel).
Specifically, my core question that hasn’t been answered in previous discussions is: Why are these glass components fully visible inside the UEFN editor viewport, but completely missing when launching a live game session? Furthermore, once the map is published, will players on Performance Mode and DX12 see the glass, or will it remain invisible on published live servers too?
Any clarification on whether this is an engine limitation of UEFN test sessions or if published islands will also lack the glass would be greatly appreciated!