Unreal Engine Issues
Unreal Engine Issues
NPC - Does not get updates from Material Parameter Collection changes in the editor
UE - Niagara - Sep 30, 2024When an MPC is selected as the Source Material Collection for an NPC, all of its current parameters are carried over to the NPC with their current values. After that, if parameters are added to, rem ...
UTextureRenderTarget2D uses TC_Default for PF_R16F instead of TC_HalfFloat
UE - Texture - Sep 27, 2024When using "ConstructTexture2D" from a render target that uses the format PF_R16F (RTF_R16F) the output texture won't retain the format and will become a four channel float texture. The texture for ...
Changing the Global Time Dilation to a very small value and returning it to a large value (by either using the slomo console command or directly in BP) makes Physics simulating ragdolls fly off into space.
UE - Simulation - Physics - Sep 26, 2024Changing the Global Time Dilation to a very small value and returning it to a large value (by either using the slomo console command or directly in BP - slomo sets TimeDilation) makes Physics simula ...
Problems with shadows on transluscent materials
UE - Rendering Architecture - Sep 24, 2024Shadows on the surface of SingleLayerWater are heavily pixelated, and don't appear to use bilinear filtering at all. Also tested on //UE5/Release-5.5, CL: 36481335 ...
Lumen doesn't use correct sky light settings when GI scalability changes from Low to High
UE - Graphics Features - Lumen - Sep 24, 2024When the Global Illumination scalability settings are changed in the editor from High to Medium, they primarily act on the r.Lumen.DiffuseIndirect.Allow and r.SkyLight.RealTimeReflectionCapture. No ...
Spline Component Spline Generation Panel does not trigger Construction Script
UE - Editor - Workflow Systems - Sep 24, 2024From Licensee Spline generation tool no longer triggers the construction script We recently updated from Unreal 5.3 to 5.4 and our level designers are having an issue with the spline mesh generatio ...
Check for sRGB on Normal and Mask samplers instead checks against Greyscale and Alpha samplers
UE - Rendering Architecture - Materials - Sep 24, 2024In FMaterialInstanceEditor::RefreshOnScreenMessages, there is a check for sRGB on Normal and Mask samplers. The issue is the check uses a TextureCompressionSettings enum cast to EMaterialSamplerTyp ...
GameFeature Plugins do not chunk as expected when using PrimaryAssetLabels
UE - Gameplay - Sep 23, 2024There is some unexpected behaviour around GameFeature Plugins (GFPs) when packaging with chunking enabled most noticeable when using PrimaryAssetLabels (PALs). Firstly, PrimaryAssetLabels do not ap ...
Blueprint improperly marked dirty when it contains a latent node with a byte enum
UE - Framework - Blueprint Editor - Sep 23, 2024In UE 5.4, when deleting actors in our levels, some blueprints will be mark dirty despite not having changed. We traced that down to FAssetRenameManager::CheckPackageForSoftObjectReferences. The af ...
Property Editors fail to select assets within paths containing valid non-alphanumeric characters
UE - Editor - Workflow Systems - Sep 20, 2024Property Editors for asset types allow you to drag assets from the Content Browser into them, or to make a selection using an Asset Picker widget. Some examples would be selecting Static Meshes or M ...