Unreal Engine Issues

“Receives Decals” is not respected on Procedural Mesh Component

(Enduring Games) I investigated it and found that the following primitive data flag test in BasePassPixelShader.usf fails: (GetPrimitiveData(MaterialParameters).Flags & PRIMITIVE_SCENE_DATA_FLAG_DE ...

Cannot paint landscape layers onto tiled landscapes

paint layers do not take effect on all tiled layers that have a material incorporated if a user attempts to paint on them from the persistent level. ...

GPU Lightmass ignores IES Profiles on Static Lights while building lighting

This is a regression tested in //UE4/Release-4.27 CL#18319896 GPU Lightmass ignores IES Profiles on Static Lights while building lighting. Tested with different Global Illumination and Reflection s ...

Changing screen percentage while in VR Preview will change screen coords for post process shaders

If a post process volume is set to use a material shader, reducing the screen percentage while in VR Preview will shift the coordinates left/right. ...

Base Pass Instruction Count increases on Compile and Save, then resets upon reopening Material

Material Base Pass Instruction Count will change from a value established when plugging in components pre-compile to a higher value on post compile, but when the material is reopened the count rever ...

Rotate Around Point Niagara Module causes jittering with Linear Force

Regression: Tested in UE5/Release-5.0, this issue also occurs meaning regression is no. The Niagara System appears to jitter whenever a force is applied after the Rotate Around Point module. If the ...

Pasting custom data floats from a text editor into a instanced static mesh component crashes the editor

When an instanced static mesh component with a material using a PerInstanceCustomData node has its data floats pasted in, the editor crashes with an "Array index out of bounds" error. The licensee w ...

Landscape weight-blended layers don't paint exclusively anymore

Linux Multi-Monitor Support Issues on GNOME Shell

Users with GNOME Shell installed have reported having issues with multi-monitor support when the monitors are not equally sized or the same aspect ratio. If the application is moved from a smaller ...

Changing Shadow Quality causes SingleLayerWater Materials to disappear

Regression: Tested in UE5/Release-5.0, issue is reproduceable. This issue appears to be related to the Opacity Mask of the material, as not having an Opacity Mask does not cause the material to dis ...