Unreal Engine Issues
Unreal Engine Issues
Suspend/resume iOS Metal Crash on low end device with MTLCommandBufferErrorMemoryless error with lots of geometry
UE - Platform - Mobile - May 11, 2023The project was built in Unreal 4.27.2 binary from the Epic Games Launcher. At this stage we have only observed the crash on devices with a hardware combination of Apple A9 1.8 GHz and 2GB of Memory ...
Crash when calling UPoseableMeshComponent::CopyPoseFromSkeletalComponent() from Actor's Tick while unregistering
UE - Anim - Runtime - Apr 26, 2023Under certain conditions, it appears that the function UPoseableMeshComponent::CopyPoseFromSkeletalComponent may crash because the BoneSpaceTransforms obtained from the source component are empty, p ...
Crashes when playing Slomo on NiagaraSystem with Solo and DesiredAge.
UE - Niagara - Mar 23, 2023When Slomo 2 is used to speed up the process, TicksToProcess is greater than 1, which means that ManualTick is called several times during one loop. When playback is completed by a ManualTick in t ...
[AI] Moving navmesh and navbounds to a sublevel results in a level nearly twice the size expected
UE - AI - Navigation - Feb 22, 2023Using World Composition, moving the Navmesh and NavmeshBounds from the persistent level to a sub-level results in the size of the navmesh sub-level being roughly twice the size of the decreased size ...
console command "viewmode lodcoloration" doesn't work in standalone game
UE - Rendering - Jan 4, 2023refer to attached video ...
[AI] Assert leading to crash in FRecastTileGenerator::AddReferencedObjects
UE - AI - Navigation - Dec 9, 2022Licensee has reported a couple cases of an assert happening stemming from FRecastTileGenerator::AddReferencedObjects in a built game. They are limiting the MaxTileGeneratorTasks to 1. The crash occu ...
Switching to very high sample rate audio device on XBox causes crash
UE - Audio - Nov 3, 2022When switching to an audio device with an unsupportedly high sample rate on XBox, XAudio2System->CreateMasteringVoice will crash. Ideally, it would give a warning instead and swap to the null render ...
Invalid Subsurface Scattering Color when using Per Pixel Shading Model and non-default material layers
UE - Rendering - Materials - Sep 27, 2022It appears as though when adding material layers to a material instance that uses the FromExpression shading model, the subsurface color ends up white. If you add a DebugFloat3Values and output it t ...
Root component transform is reset after reparenting an Actor-based BP with a non-native root to a parent with a native root.
UE - Gameplay - Blueprint - May 10, 2022Two conditions for this bug to appear:The new actor class we are re-parenting to overwrites the root component in C++The map is not loaded while re-parenting No current workaround other than to rep ...
Level Variant Bindings are lost when saving level with a different name
UE - Editor - Content Pipeline - Datasmith - May 5, 2022When saving a level, that has a level variant asset in it, with a different name, the bindings within the level variant are broken. ...