Unreal Engine Issues
Unreal Engine Issues
MaterialInterface is not exported and therefore it's functions are not accessible
UE - Graphics Features - Jun 9, 2015MaterialInterface which is a base class for other classes (such as UMaterialInstanceDynamic) is not being exported which causes compiler errors when a user attempts to access the functions of this c ...
Add and Renaming collapsed graphs in functions breaks refs to local vars
UE - Gameplay - Blueprint Compiler - Nov 6, 2020When creating a class (of any kind i.e. an actor), when a collapsed graph is compiled the ref breaks when adding or renaming the graph. ...
Partially loaded level instance becomes fully loaded after editing nested level instance
UE - World Creation - Worldbuilding Tools - Level Instances - Sep 10, 2024FBoneContainer::MakeMeshPoseIndex crash (out-of-bounds array)
UE - Anim - Gameplay - Sep 25, 2024HISMC always shows lowest LOD
UE - World Creation - Worldbuilding Tools - Foliage - Nov 22, 2016User report: HISMCs are currently broken in master. They always show the lowest LOD available for a mesh, so if you have a HISMC with a tree mesh set, you would always see the billboard of the tree ...
[CrashReport] UE4Editor_ShaderCore!BuildShaderFileToUniformBufferMap() [shadercore.cpp:750]
UE - Graphics Features - Dec 15, 2017User comment:enabled composure and i get a hard-crash now Not seeing any vanilla builds in crash report, looks like source builds. ...
Runtime Virtual Texture primitives set to never render to main pass still cause occlusion queries
UE - Graphics Features - Mar 23, 2021RVT only primitives are being pushed through the occlusion culling. It would be more efficient to not do that. ...
Pasting a component binding onto a Spawnable will not set up parenting correctly
UE - Anim - Sequencer - Aug 6, 2021It appears that for spawnable bindings, when adding a child binding through a copy/paste it is not added to the child bindings array on the spawnable, so when GetChildPossessables is called, there a ...
Network Prediction crash when smoothing service instance data is reallocated out from under FNetworkPredictionStateView
UE - Gameplay - Network Prediction - Apr 4, 2025Received a report from a licensee using Network Prediction Plugin and Mover. There is a strong likelihood of a crash occurring when using NPP's smoothing option and spawning new NPP-simulating ins ...
Rendering sequence with livelink data has issues with smooth engine offset
UE - Virtual Production - IO - LiveLink - Apr 26, 2023[Link Removed] for reference Playing back a sequence shouldn't have buffered samples. We should have a single one, which was built from the sequence. We need to make sure when played back that it ...