Unreal Engine Issues
Unreal Engine Issues
WPO is incorrectly generated on materials using Material Attributes as input to Landscape Layer Blend node
UE - Rendering Architecture - Materials - Jan 31, 2024This comes from this UDN : [Link Removed] It occurs with this setup : [Image Removed] , where Set Material Attributes expressions act as inputs to the Landscape Layer Blend material expression. ...
Crash generating grass for landscape with XY offset map
UE - LD & Modeling - Terrain - Landscape - May 8, 2015Landscape grass map generation crashes if the landscape component in question uses an XY offset map. --------- Fatal error: [Link Removed] [Line: 646] Rendering thread exception: Fatal error: [Lin ...
When a BPActor containing HISMs is multiplied with a scale, LOD display control doesn't work correctly
UE - Rendering Architecture - Nov 29, 2023Workaround 1: 1. Change HierarchicalInstancedStaticMesh.cpp in either of the following ways:void{{ FHierarchicalStaticMeshSceneProxy::GetDynamicMeshElements(const TArray<const FSceneView*>& Views, c ...
Physics not reacting correctly with physical material if velocity is not high enough
UE - Simulation - Physics - Feb 3, 2015There are issues with the way Physics is being handled with physical materials. Having a physical material setup with a restitution of 1 and a high max depenetration value will result in no bounce. ...
Crash with Ensure when resizing layout
UE - Editor - Workflow Systems - Jun 1, 2023This is a regression as the issue does not occur in //UE5/Release-5.1.1 - CL 23901901 ...
UInstancedStaticMeshComponentRemoveInstances crashes if called with an empty array
This looks like it can be fixed with an early-out when the passed array of indices is empty. Log:[2024.01.03-16.38.36:091][291]LogOutputDevice: Warning: Script Stack (1 frames) : /Game/BP_Crashy.B ...
AimOffset and Blenspace graphs causing crash for some users
OLD - Anim - Mar 30, 2015Users are experiencing crashes when using the AimOffset and Blendspace graphs. I am unable to reproduce this locally, but judging by the Bugg in crash reporter, this is not an isolated incident. [ ...
Engine Crashes On Scene Close When An Actor Is Spawned With Templated FActorSpawnParameters
UE - Simulation - Physics - Mar 5, 2020When an actor is spawned with Spawn Parameters that are templated the engine crashes when closing a scene. This wasn't happening when there wasn't a physics constraint on the spawned blueprint. Thi ...
Crash when deleting BindingOverrides if the target property is left open on the details panel
UE - Anim - Sequencer - Sep 22, 2023Crash if opening ALevelSequenceActor::BindingOverrides in the details panel and run a process that empties the BindingOverrides elements. Workaround: FMovieSceneObjectBindingID FMovieSceneObjectBi ...
SteamVR turns off vsync globally
UE - Platform - XR - Feb 21, 2020Additional Info From User: Result: Vsync will get turned off by FSteamVRHMD::Startup() setting a global console variable, regardless of your project configuration. Expected: Vsync is only deacti ...