Unreal Engine Issues
Unreal Engine Issues
Casade debug cone is drawn at the wrong rotation
UE - Niagara - Aug 21, 2019The B 3DDraw Mode functionality draws at the wrong rotation for the Velocity Cone module. It seems to draw 90 degrees off. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P7 (CL - 8115 ...
Memory stomp in UTexture2DArray::SetPlatformData
UE - Texture - May 30, 2024A crash from bad memory access can happen when clearing the textures in a Texture2DArray asset. This appears to be because the order of operations when deleting the platform data is: ``` if (Privat ...
r.AllowStaticLighting=False causes Rendering Issues
UE - Graphics Features - Sep 22, 2015When setting a project to only use dynamic lighting with the console variable r.AllowStaticLighting=false, the rendering of a Skeletal Mesh in Persona is corrupted. r.AllowStaticLighting=False: in ...
[Mac][Metal] (Shadow) Rendering artifacts with 4.11 on Mac.
UE - Platform - Apple - Apr 12, 2016The first problem noted in this Answerhub post: First one is that static shadows from stationary directional light are completely broken. Screenspace buffer that should contain static shadows is ju ...
EQS Query Not Detecting Different Floors
UE - AI - Jul 7, 2016Running an EQS for something such as finding a random point on a grid will not generate results on multiple floors. See the attached screenshot for an example. Was unable to reproduce in 4.11.2 d ...
Engine Crash When Enabling Distance Field Global Illumination and Opening TM-LightingFeatures
UE - Graphics Features - Jan 11, 2017I was able to open the level once and after a few seconds of being opened the editor crashed while compiling shaders and generating mesh distance fields. Since then I have not been able to open th ...
CoreSymbolication.framework fails to load on macOS 11 Big Sur
UE - Platform - Apple - Aug 20, 2020CoreSymbolication.framework has moved, likely into the system library cache. The function, FApplePlatformSymbolication::EnableCoreSymbolication probably needs to be updated in order to accommodate.d ...
Ray traced shadow sample settings greater than 1 cause shadow artifacts
UE - Graphics Features - Lumen - Sep 23, 2020Alternative you can follow these steps to reproduce 1. Create a new project with ray tracing enabled 2. Activate the groom plugins 3. Import a groom asset into the scene 4. Add any light type to the ...
GeometryCollectionComponent visibility flag is forced to true in BeginPlay
UE - Simulation - Physics - Destruction - Jan 26, 2023The visibility flag is reset to true in UGeometryCollectionComponent::UnregisterFromISMPool. This function is called from BeginPlay. Only when ISMPoolActor is not being used, the following worka ...
Child components of child actor components in blueprints do not update transform based on parent
UE - Gameplay - Nov 10, 2015If a blueprint has a child actor component that has other components parented to the child actor component, the child components of child actor components will not update transform based on the pare ...