Unreal Engine Issues
Unreal Engine Issues
GetStaticMeshViewport() is called without checking if it returns a valid viewport causing the Editor to crash
UE - Editor - Dec 9, 2021This is not a regression. Tested in: //UE4/Release-4.27 CL18319896 Binary //UE5/Release-5.0-EarlyAccess CL16682836 Binary //UE5/Release-5.0 CL18407655 Personal P4 When opening a static mesh without ...
Unable to package an Android DLC Using "Android APK" and "Android DLC" profiles in Project Launcher
UE - Platform - Mobile - Nov 22, 2017Packaging an Android DLC currently fails with an error message that states that plugin DLC1.0 could not be found. It was reported that this was possible in 4.17, but the repro for this does not see ...
USkinnedMeshComponent::PredictedLODLevel can be set below MinLOD
UE - Anim - Rigging - Aug 12, 2019Within USkinnedMeshComponent::UpdateLODStatus_Internal, if the USkinnedMeshComponent does not yet have a MeshObject, MaxLODIndex will be left as 0 and as a result PredictedLODLevel will be set to 0 ...
Crash when deleting BindingOverrides if the target property is left open on the details panel
zComponent - Archive - Sep 22, 2023Crash if opening ALevelSequenceActor::BindingOverrides in the details panel and run a process that empties the BindingOverrides elements. Workaround: FMovieSceneObjectBindingID FMovieSceneObjectBi ...
Crash when referencing GearVRController
UE - Gameplay - Blueprint - Jul 10, 2017SamD and I noticed that in 4.17 the GearVRController component wasn't appearing in searches in the editor. This crash doesn't occur in 4.16.1 ...
Contact Shadow artifacts with ray lengths despite length
UE - Graphics Features - Nov 17, 2016Contact Shadows have more shadowing errors with lower to mid values than in 4.13 release when the feature was still considered experimental. Even low Contact Shadow Length value is causing issues. ...
Warning: repairing painted vertex colors due to static mesh re-imports! in ContentExamples
Docs - Samples - May 4, 2017Not a regressionInfo Repaired painted vertex colors in 0.0s for 2 components in /Game/Maps/Leveldesign_Workflow. Resave map to fix. Warning Spent 0.0s repairing painted vertex colors due to stati ...
Geometry Material Alignment not functioning in 4.8
Tools - Jun 15, 2015Material Alignment on BSPs are not functioning in 4.8.0 Release. This is a regression from 4.7.6. The issue does appear to be fixed and functional in 4.9 (Promotable-CL-2581018) ...
Division by zero in FAnimNode_StrideWarping::EvaluateSkeletalControl_AnyThread
UE - MVF Character - Animation - Sep 29, 2025When an Actor's CustomTimeDilation is 0.0, functions FActorTickFunction::ExecuteTick() and FActorComponentTickFunction::ExecuteTickHelper() will call AActor::TickActor() and UActorComponent::TickCom ...
[CrashReport] UE4Editor_PropertyEditor!FDetailCategoryImpl::GetParentLayout() [detailcategorybuilderimpl.h:166]
Tools - Aug 22, 2017This is an intermittent crash occurring in the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to [Link Removed], fixed i ...