Unreal Engine Issues

GeometryCollectionComponent take +1 frame to be marked as dirty

Debugging the code I have been able to verify that in GeometryCollectionComponent.cpp line:2318, the if condition happens every two frames. I think DynamicCollection is not setting all the frames a ...

Camera Shake Oscillation Duration no longer accepts -1 as indefinite

The Camera Shake Class no longer allows for indefinite shaking via setting a negative value in the Oscillation duration, per the tooltip instructions. This happens when using either the Play World ...

Windows Mixed Reality - Setting haptic to 1 and firing haptic causes editor crash

Creating a BSP modifies the default brush, adversely affecting placement of Volumes

When a new BSP is created, modifications are made to the level's default brush. These changes affect how volumes are placed, with different BSPs causing different behavior in volume placement. ...

r.MobileContentScaleFactor appears to be ignored defaulting to 1 on Mobile Devices

r.MobileContentScaleFactor = 0 should return Native Resolution; 1 should return Standard definiton; 2 shold return an High Definition Resolution. It seems that r.MobileContentScaleFactor is being i ...

Specular Isn't Affected for Materials Set to the Eye Shader If r.IrisNormal is Enabled

Specular Doesn't Affect a Material with the Eye Shader If r.IrisNormal is enabled. Found in 4.22 CL# 7053642, 4.23 CL# 8115738, 4.24 CL# 8302014 ...

image size does not appear to have any affect when a progress bar's image is set to tile

When trying to set the image size for the image that is tiled in a progress bar, this does not appear to have any affect. The expected result would be for it to modify the size of the image so as to ...

Differences in DistanceToNearestSurface and DistanceFieldGradient results between 4.27 and 5.0

In the UE5 case, we end up seeing very harsh lines in both the gradient and the distance to nearest surface examples whereas the results in 4.27 appear smooth.  It was also interesting to observe c ...

On Drop appears to cause update issues with widgets that are affected On Drag Enter

On Drop appears to cause update issues with widgets that are affected On Drag Enter. In this example the widget only changes colors if a delay is placed in the On Drop function. The On Drop function ...

User crashes during play/save/open project in UE 4.6.1

User reports crashing upon open, saving or playing their project in 4.6.1 in Binary. Assertion failed: TargetDelegate [Link Removed] [Line: 5407] ...