Unreal Engine Issues
Unreal Engine Issues
Using "Change Class" on Spawnables, Possessable references retain old Class info
UE - Anim - Sequencer - Apr 22, 2024Changing Class for Spawnable objects in Level Sequence did not have any impact on Possesable objects in Subsequence. It's still referencing the previous Class. Also found in Release-5.4, CL: 329753 ...
Unable to Create New Niagara User Parameter After Deletion without Niagara Editor Window Restart
UE - Niagara - Scripting - Apr 22, 2024When a user deletes a Niagara User Parameter within the Niagara System editor window, attempting to create a new parameter with the same name immediately after deletion results in an error. Despite ...
Blueprint Add Custom Event unable to resolve delegate signature inside a split struct
UE - Gameplay - Blueprint - Apr 19, 2024This issue occurs when a static function is created and has a struct parameter that has a delegate exposed to blueprint. When using the helper function in blueprint after having used "Split Struct ...
Changes to Instanced Properties on a BP archetype are not propagated to Actors inside Level Instances or unloaded levels.
UE - Gameplay - Blueprint - Apr 19, 2024Consider a C++ ActorComponent containing an instanced TObjectPtr property (which may be standalone or inside a container such as TMap). Now consider a Blueprint Actor containing such a component, an ...
Moving noise is visible in hair shadows when Lumen screen traces are active
UE - Graphics Features - Apr 18, 2024Dark moving noise is visible in hair in the shadows when Lumen screen traces are active. Example of noise when screen tracing is frozen:[Image Removed] Turning off Lumen screen traces using r.Lume ...
ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced
UE - Rendering Architecture - Materials - Apr 16, 2024ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced (e.g. RegisterIndex of the texture is [3] or [7]) because FMeshRenderer::RenderMaterialTexCoordScales() use ...
MaterialTextureScale calculated incorrectly for materials with WorldPositionOffset
UE - Rendering Architecture - Materials - Apr 16, 2024When a Material uses WorldPositionOffset, the MaterialTextureScale is calculated incorrectly because FMaterialUtilities::ExportMaterialUVDensities() calls FMeshRenderer::RenderMaterialTexCoordScales ...
Opening a Level inside the ReferenceViewer does not Prompt the Save window if the Level is dirty.
UE - Editor - Applied Usability - Apr 15, 2024If you right click on a level node in the reference viewer and choose edit, it will bypass prompting you to save unsaved changes in your current level, silently discarding all unsaved work. ...
SkeletalMeshActor flickers rapidly when PhysicsAsset contains multiple boxes.
UE - Anim - Synthesis - Apr 12, 2024SkeletalMeshActor using a PhysicsAsset with custom box shapes may flicker rapidly in Editor when not selected, and also flickers in PIE mode. If occlusion culling is disabled the flickering stops. ...
Landscape LOD behaviours is not working as expected (Its Calculation is not based on Sections anymore)
UE - LD & Modeling - Terrain - Landscape - Apr 10, 2024"Components can optionally be divided into either 1 or 4 (2x2) subsections to increase the resolution of the Landscape. These subsections are the base unit of Landscape LOD calculation." From Doc ...