Unreal Engine Issues
Unreal Engine Issues
Blank project do not show steamvr motion controller and is not working.
UE - Platform - XR - Dec 18, 2019VR template in 4.24 binary engine works but not with blank project + steam guide setup. And, migrated working project from 4.23 also leads to same issue. working set(vr template) seems to have cor ...
SpeedTree assets cannot be imported via Python automated import
UE - Editor - Content Pipeline - Import and Export - May 7, 2020Licensee reports via UDN that automated import via Python of SpeedTree assets does not work The issue is that USpeedTreeImportFactory::FactoryCreateBinary() tries to generate a UI dialog, which is ...
The HISM will have double drawcalls when player opens r.Mobile.AllowDitheredLODTransition
UE - World Creation - Worldbuilding Tools - Foliage - Nov 2, 2020Please check the Function GetDynamicMeshElements in HierarchicalInstancedStaticMesh.cpp. The Function Traverse in GetDynamicMeshElements will always return two Lod levels, even the transition is f ...
Cook errors with Python developer mode enabled (deprecated imp module)
UE - Editor - Workflow Systems - Nov 5, 2020[MetaSounds] - Outputs of nodes being used in a composed graph do not have animations
UE - Audio - MetaSounds - Oct 23, 2022Outputs on composed nodes are not animating. [Image Removed] ...
Button response wrong on lastest MacbookPro
UE - Platform - Apple - Jul 24, 2022Atmosphere related scan line artifacts for Path Tracer with MGPU
UE - Graphics Features - Path Tracer - Feb 10, 2023There are two UDNs related to this issue. It makes the Path Tracer unusable with MGPU, with atmosphere enabled. I already have a one-line fix implemented and tested. The atmosphere scan line arti ...
Orientation Warping is rotating the mesh incorrectly on listen servers
UE - Anim - Gameplay - Apr 26, 2023See UDN for details: [Link Removed] ...
Enabling ZenLoader causes editor crash when undoing Level Instance deletion
UE - CoreTech - Sep 5, 2024Crash reported through UDN. With ZenLoader enabled, deleting a level instance and triggering Undo causes a crash in ULandscapeComponent::PostEditUndo() The user has provided an example project th ...
Performance will drop in PIE if simulate physics is toggled rapidly on an actor with attached components
UE - Gameplay - Nov 3, 2015Performance will drop in PIE if simulate physics is toggled rapidly on an actor with attached components User Description: Simulating physics for Primitive components causes severe performance dr ...