Summary
In the latest update (36.20), loading a material block UI with a linked value (e.g, Progress:= 1.0) causes a lag spike lasting several seconds. This issue is particularly problematic on lower-performing consoles.
Please select what you are reporting on:
Unreal Editor for Fortnite
What Type of Bug are you experiencing?
Verse
Steps to Reproduce
Create a Verse script that displays a UI to the player.
In the UI, include a Material Block widget.
Set a material parameter (e.g., Progress := 0.5) linked to the material block.
Link the opening UI to a mutator zone or a button
Expected Result
The UI you should with no lag spikes/freezes
Observed Result
Run the script and observe the lag spike when the UI is shown.
Platform(s)
PC