Unreal Engine Issues
Unreal Engine Issues
BP hierarchy change triggers incorrect map actor load warning: AttachTo: '{0}' is not static {1}, cannot attach '{2}' which is static to it.
UE - Gameplay - Blueprint - Apr 11, 2024When a blueprint's component hierarchy is changed by changing a child component's mobility value to Static while deleting its parent component which has Movable mobility, levels saved with an outdat ...
[Substrate] Workaround for DXC problem with roll unlooping
UE - Graphics Features - Substrate - Apr 8, 2024We should get to the bottom of this workaround and revert it eventually. Reported here: [Link Removed] ...
IME does not work in EditableTextBox in WidgetComponent
UE - Editor - UI Systems - Apr 5, 2024WidgetComponent controls widgets through VirtualWindow, but VirtualWindow does not have HWND, so IME cannot be enabled. The following workaround enables IME activation. void FSlateEditableTextLay ...
Editor Crash when changing Default Properties of a TArray of UStucts containing an InlineEditConditionToggle property in Blueprint Parent Class
UE - Editor - Workflow Systems - Apr 5, 2024This bug causes an editor crash. This crash occurs when changing the default values of a UStructs properties that are used as EditConditions, when they are set to InlineEditConditionToggle within a ...
GAS PlayMontageAndWait: Server applies root motion with wrong scale at last montage tick
UE - Gameplay - Gameplay Ability System - Apr 3, 2024User reported: when playing an AnimMontage via GameplayAbility with the PlayMontageAndWait ability task that has a custom value for AnimRootMotionTranslationScale, (dedicated) servers can apply an i ...
Poor performance when Player Collision view mode active in City Sample
UE - Simulation - Debug Tools - Apr 2, 2024The Editor become unresponsive and then has very low frame rates after activating the Player Collision view mode in the Small_City_LVL and Large_City_LVL maps in the CitySample project. The curre ...
TakeRecorder cannot record Auto Activate and Destroy of Niagara effect
UE - Niagara - Apr 1, 2024When Niagara FX of a recording actor is spawned during taking a record, that FX behavior must be recorded and able to be playbacked. However, Niagara Component Auto Activation by BP node is not reco ...
CommonUI Analog Cursor + Enhanced Input triggers cause triggers to get stuck when alt-tabbing
UE - Editor - UI Systems - Mar 29, 2024Came out of [Link Removed] and is related to this one too I think that this is signaling that we need better solutions for input consumption in the engine honestly. This is a constant pain point ...
GI not coming in with lighting build data when lighting built outside of main scene
UE - Graphics Features - Mar 27, 2024Volumetric Lightmaps are not shared between Persistent maps that have the same sublevels. Also observed in Release-5.4, CL 32500436 ...
Clustering GeometryCollections in sleep state forces them to awake
UE - Simulation - Physics - Mar 27, 2024The sleep state will be overwritten in ClusterUnionManager::UpdateAllClusterUnionProperties. Clustering using AClusterUnionActor results the same behavior as well. ...