Unreal Engine Issues
Unreal Engine Issues
Package Map warnings when spawning primary asset class on server after seamless travel
UE - Networking - Apr 18, 2024This issue seems to occur due to the client keeping the NetGUID for the class/object, while the server will clean up this NetGUID during travel. When the client sends the class and its NetGUID as pa ...
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 ...
ENiagaraCoordinateSpace is not exposed to Python, meaning the FXConverterUtilitiesLibrary create_script_input_enum function does not work when setting that parameter.
UE - Niagara - Cascade - Apr 8, 2024The user was having issues with setting the correct ENiagaraCoordinateSpace enum in their python script. This enum currently exists in the engine as both a user-defined enum (which is deprecated), a ...
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 ...
Improved handling of material functions for Virtual Texture usage validation in materials
UE - Rendering Architecture - Materials - Apr 4, 2024To enable proper validation between virtual texturing and opacity masked materials, a user has to check a project-level setting in order to get the material to compile, otherwise, they will encounte ...
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 ...
Opaque GPU particles appear later than translucent one when Collision module is enabled
UE - Niagara - Rendering - Apr 2, 2024When spawning GPUCompute Sim Niagara system which is consist of opaque particle emitter and translucent one, if those emitters use Collision module, opaque particle often appears one frame later tha ...
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 ...
Material Layers Ignore Virtual Texture Sampler Restrictions
UE - Rendering Architecture - Mar 25, 2024Virtual Textures can be assigned to Texture Sample Parameters that are not configured for Virtual Textures, if that parameter is inside of a Material Layer. Also found in Release-5.4, CL 32426910 ...