Unreal Engine Issues

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 ...

Setting an overlay's alpha to 0 does not display as fully transparent

Safe zone overlay ignores alpha when set to 0.0 in DefaultEngine.ini. Tested:  4.23.1 CL#9631420 , 4.25 CL#11341939 ...

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 ...

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 ...