Unreal Engine Issues

"Cast Dynamic Shadow As Masked" is not visible at Material Instance

"Cast Dynamic Shadow As Masked" is not visible at Material Instance. There is no property in Material Instance, but it does not work even if Base property is Enable, so it seems like a bug. ...

Particle Mesh Emitters Cause Heavy FPS Stutter

Per User: After updating my project from 4.18 to 4.19, I started getting huge FPS drops at regular intervals. I managed to trace back the issue to particle systems with mesh emitters and could repr ...

Print String duration divided by number of players

Print string duration is divided by number of PIE players. ...

Unable to name a component if the name was used on a deleted component

When deleted a component in the in world component editor, that name cannot be used for another component until the editor has been restarted. ...

When the engine version updated, partial data of TMap/TSet type of DataTable is missing

When updating to 4.21, Element previously added to DataTable is missing. This only occur when you move to 4.21. If it change from 4.19 to 4.20, DataTable will keep data. it can restore broken data b ...

DetachmentRules is not applied when WhenFinished of AttachTrack is set to RestoreState.

Purpose: Create a parent-child relationship using the “Attach Track” After that, I want to release Attach in the middle of the sequence and leave the child. Set "When Finished" of "Attach Track" to ...

RVT that is set up following the Quick Start Guide shows a flat black texture

A user has reported on salesforce that their RVT material is returning black. After following the publicly available Epic Quick Start guide online I encountered the same issue. The ticket was repor ...

URuntimeVirtualTextureComponent::Invalidate does not work with Adaptive virtual textures

LOD streaming requests for distance fields are overridden with additional scene captures.

The distance field scene is shared between scene renders in a given frame. However, LOD requests are not tracked over the entire frame, but per scene render (e.g. camera or scene capture). Thus, if ...

Sequencer autosorts alphabetically on undo

[Link Removed] Jan Kaluza 2023-09-08 15:37:18 UTC I just ran into a very frustrating bug: I have around 60 actors in a sequence, and I reordered them to be in the order that I wanted to animate them ...