Unreal Engine Issues
Unreal Engine Issues
Editor Freezes after the user attempts to set a NewSpriteAtlasGroup to an imported sprite
UE - Gameplay - Paper2D - Apr 19, 2023By setting an Atlas Group to a newly created sprite, the editor freezes. This feature is most important, even if this issue can only be reproduced by a minority of users. Repro rate: 5/5 Notes:No ...
LandscapeSplineMeshesActor instances not deleted when World Partition is disabled
UE - World Creation - Worldbuilding Tools - World Partition - Oct 30, 2024When landscape splines exist in a WP level, LandscapeSplineMeshesActor instances are created to allow streaming of splines. In a non-WP level, splines are components of the landscape actor. When a W ...
[Mootools Bug] SKP Import - Applied texture maps from previous Twinmotion versions are lost after reimport in TM 2025.1.1
TM - Interoperability - May 8, 2025Reported in SF [Link Removed] For SKP imports that were added to a file in a previous version of Twinmotion, when the .tm file is concerted to and opened in TM 2025.1.1, if the SKP model is re-impo ...
Crash when Live Coding is triggered after engine source edits Blueprints using ChildActorComponent
UE - Framework - Blueprint - Nov 28, 2025After editing engine source files and triggering Live Coding, derived Blueprints that inherit from a Blueprint containing a ChildActorComponent cause UChildActorComponent::Serialize to run on a Live ...
Structure variables in Child Blueprints do not maintain the default values set in their Parent Blueprints
UE - Gameplay - Blueprint - Jan 12, 2015Values changed to an inherited Struct variable in a Child Blueprint will be kept after compile, but any not changed will be set to 0s. ...
MakeEditWidget specifier does not create edit gizmo in blueprint editor
UE - Gameplay - Blueprint - Jul 27, 2015Using the MakeEditWidget specifier inside a UPROPERTY macro and creating a blueprint based on the class will show the translation gizmo inside the main editor viewport but the gizmo will not show up ...
Cannot bind event dispatchers between two blueprints that share a parent class
UE - Gameplay - Blueprint - Jul 23, 2015Cannot bind event dispatchers between two blueprints that share a parent class. This issue also occurs if you use the parent as a variable in the child. The bind event dispatcher seems to only take ...
Child blueprint reference to self node unpins after close and reopen from Set Array Element node
UE - Gameplay - Blueprint - Jun 1, 2015If a child blueprint attempts to set an array element of self to an array of the parent blueprint, then the editor is saved, closed, reopened, the self pin will disconnect from the Set Array Element ...
Spawning a bp, setting the location, and simulating physics in one string will cause the Set Actor Location node to be ignored
UE - Gameplay - May 8, 2015Spawning a bp, setting the location, and simulating physics in one string will cause the Set Actor Location node to be ignored User Description: One is if you spawn a physics actor which has simu ...
ESplineMeshAxis Enum is not available as a variable or struct
Tools - Aug 14, 2015ESplineMeshAxis Enum is not available as a variable or struct User Description: I have a struct that is responsible for holding many of the properties of my spline meshes. I want it to hold the ES ...