Unreal Engine Issues
Unreal Engine Issues
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 ...
Nodes to the right of an Abort Both node in a Behavior Tree appears to still receive a tick
UE - AI - BehaviorTree - Feb 6, 2023This is a regression. Tested in //UE5/Release-5.0 CL20979098 Behavior Tree appears to tick nodes to the right of an aborted node that is set to abort Both. Those nodes are not executed, but visuall ...
Applied external forces to vehicles may be nullified by sleeping
UE - Simulation - Physics - Solver - Jan 12, 2024If Entering sleeping state and applying external force are same time, the external force is nullified and the vehicle stops immediately. p.Chaos.Solver.SleepEnabled 0 or __ setting SleepLinearVel ...
Building lighting fails on Linux without Internet connection
UE - Platform - Linux - Jul 6, 2015Attempting to build lighting will stay at 0% and eventually fail if there is not internet connection for the computer. ...
Sound Cues report incorrect MaxDistance when using SoundNodeParamCrossFade
UE - Audio - Apr 23, 2015Short duration sounds (< 1.0 seconds) trigger a check on max distances by sound nodes in a sound cue. Sound cues which use SoundNodeParamCrossFade are reporting 1.0 as the max distance and thus resu ...
Meshes often render or flicker black in one eye on OSVR
UE - Platform - XR - May 6, 2016Found on: //UE4/Dev-VR CL-2967563 Often, meshes will render completely black in one eye on the OSVR. This seems to affect close meshes more frequently than far away ones. Sometimes the meshes flick ...
ApplyAnimationCurvesToComponent doesn't propagate everything to slaves
UE - Anim - Rigging - Aug 20, 2019In USkeletalMeshComponent::ApplyAnimationCurvesToComponent, while InMaterialParameterCurves and InAnimationMorphCurves are independent of one another, if either of them is empty neither is passed on ...
Actors set to Spawnable are not trackable by a camera once they've spawned
UE - Anim - Sequencer - Jan 18, 2023Tested in //UE5/Release-5.0 CL20979098 this is a regression. Attachment is of UE 5.0.3. Actors set to Spawnable are not trackable by a camera once they've spawned. The camera will track the actor w ...
r.GTSyncType 2 console command causes incorrect frame rate display on Windows platform
UE - Rendering Architecture - RHI - Feb 6, 2023The FRHIFrameFlipTrackingRunnable thread is not initialized on Windows, so RHIGetFrameRate always returns zero. As a workaround, remove the code added by CalculateFPSTimings for Windows platform, a ...
Each bone scales are improperly applied in the physical animation
UE - Simulation - Physics - Character - Feb 4, 2025Suggested fix from licensee is : PhysAnim.cpp@339 #if 0 FVector RelPos = RecipScale3D * RelTM.GetLocation(); #else FVector RelPos = (BoneIndex == 0) ? RecipScale3D * RelTM.GetLocation() : Rec ...