Unreal Engine Issues
Unreal Engine Issues
GPU Lightmass ignores IES Profiles on Static Lights while building lighting
UE - Graphics Features - Jun 8, 2022This 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
UE - Platform - XR - Jan 30, 2015If 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
UE - Graphics Features - Aug 24, 2015Material 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
UE - Niagara - Dec 1, 2022Regression: 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 ...
Linux Multi-Monitor Support Issues on GNOME Shell
UE - Platform - Linux - Dec 6, 2017Users 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
UE - Rendering Architecture - Materials - Nov 15, 2022Regression: 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 ...
Material Function Instances do not show up in the Material Function Call node
UE - Rendering Architecture - Materials - Jun 5, 2023This is not a regression. Tested in //UE5/Release-5.1 CL23901901. The Material Function Instance can be dragged and dropped into the Material Function Call. ...
Custom Node plugged into World Displacement cannot convert from FMaterialTessellationParameter to FMaterialPixelParameter
UE - Graphics Features - Nov 30, 2015Custom Nodes plugged into World Displacement are yielding:Error [SM5] error X3017: 'CustomExpression1': cannot implicitly convert from 'struct FMaterialTessellationParameters' to 'struct FMaterialP ...
Setting Texture Object within Niagara fails to update texture
UE - Niagara - Jan 11, 2021Based off of a saleforce ticket, it seems that reinitializing a niagara system with an updated texture, the texture does not update. The setup works correctly in 4.25, so marking as a regression. ...
ObjectPivotPoint does not work with instanced Nanite meshes
UE - Rendering Architecture - Materials - Nov 17, 2022Regression: Nanite Foliage is a new feature in 5.1, so this issue is not reproduceable in 5.0. Notes about this new support can be found under Nanite Improvements in https://docs.unrealengine.com/5. ...