Unreal Engine Issues

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 ...

Non-ASCII fonts don't display in UMG

When using a non-ASCII language in the editor text in UMG will not display correctly. Found in 4.23.1 CL#9631420 Reproduced in 4.24 CL#10053396, 4.25 Main CL#10050790 ...

Wildcard Maps Inputs/Outputs Propogate Incorrectly in Macros

When a macro takes in a Map <Wildcard, Wildcard> if the output is the element in the map it is the same type value of as the key. You can see see a quick demonstration at [Link Removed]. This seems ...

Editor Periodically Has Performance Drops In Basic Scenes

The Editor experiences performance drops even in the default basic level when left alone running. I experienced them every ~3 seconds. My graph didn't show the drops very clearly so the fps counter ...

"Scene Capture Component 2D" Causes Big Performance Dip In VR

When a "Scene Capture Component 2D" is in a scene it causes a big performance dip in VR. It was ~45 fps from a ~90 fps with the "Scene Capture Component 2D". This doesn't occur if you are running th ...

Custom Launcher Profile Drop Down Menus Don't Render Correctly When DPI Is Above 100%

Drop down menus in custom launcher profiles don't render correctly when the DPI is above 100%. This is happening to the very wide drop down menus. This isn't happening in 4.23 CL#9631420. Found in ...

Creating multiple Scalar Parameter nodes with a different values will crash the editor

This is a regression from 4.24.3 CL 11590370 This was discovered when ad-hoc from home I ran into this by running this set up https://docs.unrealengine.com/en-US/Engine/Rendering/Materials/HowTo/Cle ...

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

Ensure occurs if the decal scale is set to a very small value

The variable emitting this ensure (RelativeWorldToDecalMatrix) is not actually used, so this line can be removed. FDeferredDecalPS::SetParameters ... const FLargeWorldRenderPosition AbsoluteOri ...