Unreal Engine Issues
Unreal Engine Issues
Unable to delete levels with Particles in them
UE - Gameplay - Oct 9, 2019The engine is unable to Level that has a Blueprint actor with a child actor component that has a particle system component. The follow message pops up: World /Game/LevelName.LevelName is in use. — ...
Two sections can be created when MovieScene3DAttachTrack is added from Sequence Scripting
UE - Anim - Sequencer - Oct 17, 2019If you add a track for Attach from Sequencer Scripting and add a section to it, two sections are automatically added.If you don't use Sequencer Scripting, only one section will be added ...
Saving Level changes the Rotation of actors with parent-child relationships
UE - Gameplay - Components - Nov 14, 2019According to the licensee report, UnrealMath.cpp (588) constfloat SINGULARITY_THRESHOLD = 0.4999995f; It seems that this can be avoided by changing the above value. However, changing SINGU ...
Particles are only activated when the camera moves back
UE - Niagara - Mar 3, 2020UParticleSystemComponent :: CanConsiderInvisible () Particles determined to be invisible by MaxSecondsBeforeInactive seem to be activated only when the camera moves back. Is this correct behavior? ...
FLowLevelMemTracker::GetTagAmountForTracker with CustomProjectTag returns 0 always
UE - Foundation - Core - May 7, 2020FLowLevelMemTracker::GetTagAmountForTracker with CustomProjectTag returns 0 always. Because of FLLMTracker::FLLMThreadState::GetFrameStatTotals don't amount to about CustomTags. Following code will ...
Crash when creating nested child actors
UE - Gameplay - Blueprint Compiler - Aug 18, 2020Setting the root of the furthest child actor results in a crash after pressing compile on the blueprint. Example project: [Link Removed] ...
Assertion failed: IsValid() in AudioDeviceManager.h related to dragging and dropping cues into the viewport
UE - Audio - Feb 23, 2021I was not able to reproduce this issue with the user given repro steps, however the crash has occurred for multiple users according to Crash Reporter, so it is worth investigating more into ...
console command "viewmode lodcoloration" doesn't work in standalone game
UE - Graphics Features - Jan 4, 2023refer to attached video ...
Calling RemoveAllAnchors function on a non-clustered geometry collection falls extremely fast
UE - Simulation - Physics - Destruction - Feb 8, 2023Non-clustered geometry collections applied RemoveAllAnchors are not put into FPBDRigidsSOAs::DynamicGeometryCollectionArray, so acceleration is not reset every tick and they fall super fast. The fol ...