Unreal Engine Issues
Unreal Engine Issues
Playing as a Pawn that is a Duplicate of a Blueprint Class doesn't create an Attribute Set
UE - Gameplay - Oct 1, 2019Creating a duplicate of a Blueprint class that has an AttributeSet seems to be interfering with the creation of the AttributeSet. ...
Hotreload on c++ native actor component class will cause BP edit malfunctioned
UE - Gameplay - Blueprint - Jan 9, 2020[Image Removed] When the BP editor is opened, hot-reload compile will wrongly serialize a HORRELOAD_XXX object into the BP class and package which can not be found when Editor is opened again after ...
Niagara Emitter editor forgets Timeline playback ranges
UE - Niagara - Sep 14, 2020This seems to only affect an emitter and not a system asset. ...
Crash when creating a static mesh from a Procedural Mesh Component that has been used with a Create Mesh Section node
UE - LD & Modeling - Modeling Tools - Mesh Editing - May 5, 2021When creating a static mesh from a Procedural Mesh Component that has been used by a Create Mesh Section node, the editor crashes. The editor doesn't crash when selecting the Create Static Mesh butt ...
Level instance in unloaded data layer stays loaded.
UE - World Creation - Worldbuilding Tools - Level Instances - Sep 19, 2022[Audio Gameplay Volumes][Google Resonance] - Resonance Plugin Reverb Settings do not work on AGVs
Audio-Gameplay-Engineering - Oct 18, 2022Resonance Reverb Effects are not working on Audio Gameplay Volumes. They are working on legacy Audio Volumes. ...
MoviePipeline: ExecutorJob UserData field lost on Queue Load
UE - Anim - Sequencer - MRQ - Jan 6, 2023I didn't check with the debugger, but I suspect this is caused by: void UMoviePipelineExecutorJob::OnDuplicated_Implementation() { UserData = FString(); When the queue is loaded, each job is dupl ...
Mismatch of light position and PerObjectProjectedShadows
UE - Graphics Features - Jul 23, 2024Per-Object shadows cast by a stationary point light do not appear in the correct place on movable geometry. ...
Mover standalone backend allows non-persistent sync structs to carry over between frames
UE - Gameplay - Player Movement - Mover - Jul 16, 2025Only certain sync state structs are intended to persist between frames. These are configured via MoverComponent's PersistentSyncStateDataTypes array. There appears to be a bug in the way the standa ...
TMap "Categories" meta propagates into structs it shouldn't apply to
UE - Gameplay - Gameplay Tags - Sep 22, 2025When using TMap with "Categories" meta UPROPERTY tag for gameplay tags, it propagates into structs that it shouldn't reaching into. The expectation is that it would only impact the layer of gameplay ...