Unreal Engine Issues
Unreal Engine Issues
Crash occur when switching the Ray Tracing shadow function when only shadow is enabled in the Ray Tracing
UE - Graphics Features - Lumen - Sep 16, 2020According to the licensee, this problem is caused by a variable inconsistency in Cvar. The cause seems to be the difference between the CVar reference when generating RayTracingSceneRHI and the CVa ...
ios threads freeze for almost one second when notifications pop up
UE - Platform - Apple - Mar 18, 2021see the UDN .Setting bOtherAudioPlayingNow to always false can workaround the problem, but it's better to have a more robust solution. ...
Cross does not respond or crashes when "collide with attached children" is enabled
UE - Simulation - Physics - Apr 13, 2021Fatal error! Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x0000000000000000 0x00007ffb09d32bb9 UE4Editor-Engine.dll!USkeletalMeshComponent::CopyClothCollisionsToChildren() [D:\ ...
The SetEmitterEnable BP function needs implementation
UE - Niagara - Mar 2, 2020The BP function calls FNiagaraSystemInstance::SetEmitterEnable, which sets ExecutionState on the emitter instance to ENiagaraExecutionState::Inactive. FNiagaraSystemSimulation::PrepareForSystemSimul ...
Re-import Groom asset not working in UE5-Preview2
UE - Editor - Content Pipeline - Datasmith - Mar 16, 2022When "re-import" or "re-import with new file" a groom asset in UE5 Preview2, the groom failed to update with the new data/file, still ...
Foliage is placed on LevelInstanceActor does not follow basecomponent when the LevelInstanceActor moves
UE - World Creation - Worldbuilding Tools - Foliage - Jun 24, 2022Foliage usually follows when the Transform of the placed ground or floor changes. However, if the ground or floor is a Level Instance Actor, it will not follow. The cause is in the code below. voi ...
HLOD build fails depending on the value of Loading Range in the World Settings
UE - World Creation - Worldbuilding Tools - HLOD - Jun 14, 2022HLOD actors are generated on the outliner, but no geometry is generated. An error occurs in the output log. ...
Large distant objects lose skylight lighting
UE - Graphics Features - Jul 18, 2022[Bink Audio] - Bink not playing back wave files with 8000Hz Sample Rate
RAD - Jan 3, 2023Wav files with 8000Hz sample rates can be imported into the editor, but fail to play with the Bink compression setting. PCM, ADPCM, and Vorbis work as expected. LogAudioDerivedData: Warning: Cooking ...