PCG crash when using Attribute Remove Duplicates on partitioned data if one of those sets of data is empty

UE - World Creation - Procedural Tools - PCG Graph - Jul 3, 2025

Context: In PCG, the Attribute Remove Duplicates node can be used to remove duplicate attributes from an array. Problem: The licensee has observed that using the Attribute Remove Duplicates node ...

Crash When Material is Set to Deferred Decal with Emissive Decal Blend Mode and Forward Shading Enabled

UE - Graphics Features - Jan 25, 2019

When Forward Shading is enabled, if you create a material with their properties setup with the following:   Material Domain: Deferred Decal - Blend Mode: Translucent - Decal Blend Mode: Emissive T ...

Crash in persona editor when set postprocess animinstance using Linked Layer Anim to skeletal mesh

UE - Anim - Runtime - Anim Blueprints - Aug 29, 2023

Crash when set PostProcessAnimBlueprint in persona editor. Related to [Link Removed], [Link Removed]. ...

Physics Asset loses skeletal mesh reference when skeletal mesh is moved to another folder

UE - Gameplay - Apr 10, 2015

When moving a skeletal mesh from one folder to another will lose the skeletal mesh reference in the Physics Asset. A warning message will appear. Picture attached. James: Do things like FStringAss ...

Child actor component cannot be selected within blueprint viewport

UE - Gameplay - Blueprint - Nov 24, 2015

Child actor component cannot be selected within blueprint viewport. The transform can be altered and, if selected within the Components tab, the child actor component can be moved within the viewpor ...

Compile error when opening a project on child blueprint calling parent blueprint event

UE - Gameplay - Blueprint - Sep 8, 2015

child blueprints calling functions from parent blueprints generate compile errors upon opening project and pressing compile within the child blueprint. Workaround: Open parent blueprint and comp ...

Copying local variables from an event graph to a collapsed graph causes missing local variable warnings upon compil

UE - Gameplay - Blueprint - Aug 25, 2015

If a local variable is present within an event graph and then copied in a collapsed node, the copied variables will have a warning: "Unable to find local variable with name 'NewLocalVar_0' for Get ...

Reparenting a blueprint loses information created in the blueprint being reparented

UE - Gameplay - Blueprint - Jun 15, 2015

If an actor blueprint is re-parented to another actor blueprint, it will lose information in the blueprint even if nothing has been added to the second blueprint that would change the child blueprin ...

Cannot place static mesh in location if foliage mesh is already placed in same location

UE - World Creation - Worldbuilding Tools - Foliage - May 12, 2015

If a foliage object is already placed in level at a location, it will delete any static mesh that is placed in the same location. ...

Deleted actors remain in scene outliner

Tools - Mar 14, 2015

actors that are deleted via blueprints remain in the scene outliner during PIE Regression: No (Issue was occuring in 4.6)https://answers.unrealengine.com/questions/44271/why-are-destroyed-actors-in ...