Unreal Engine Issues
Unreal Engine Issues
UnrealCEFSubProcess requires Visual Studio 2013 to be compiled
UE - Foundation - Cpp Tools - UnrealBuildTool - Oct 21, 2016When trying to build the entire engine solution or UnrealCEFSubProcess directly, Visual Studio 2013 is required to be installed for UnrealCEFSubProcess to complete successfully. There is also an err ...
Crash when opening a blueprint that referenced a struct blueprint that no longer exists
UE - Gameplay - Blueprint - May 28, 2015If a user creates a struct blueprint then references it in another blueprint and then deletes the struct while the editor is closed, the referencing blueprint will crash when opened. ...
Noticeable Difference In Temporal AA Sharpness From 4.12 To 4.13
UE - Graphics Features - Oct 17, 2016There seems to be a noticeable difference with the temporal AA sharpness in 4.13. This was confirmed by setting Temporal Sample count and sharpness with the same settings in a 4.12 project. A side b ...
MakeArray wildcard node gives a compilation error when being used in a Blueprint Macro.
UE - Framework - Blueprint - Dec 19, 2024There is an error with the SmartMacroInterface, where you can't use an empty wildcard "Make Array" node. This error makes the blueprint not compile and the macro unusable. Disabling the bUseSimpleWi ...
Cannot set array elements from an array that is contained within a struct
UE - Gameplay - Blueprint - Aug 26, 2015Cannot set array elements from an array that is contained within a struct User Description: Setup: Array of structures "StructureA". In StructureA, array of integers/strings/whatever. Result: Can' ...
Unable to change/edit elements of Blueprint instances of Actor Component set UObject arrays
UE - Gameplay - Components - Nov 20, 2016When an array of custom UObjects is defined in an actor component class, blueprint instances of the component class cannot update the array elements. Array elements only update inside the blueprint ...
CommonUI: FUITag, FUIActionTag variables can't connect with blueprint wildcard Equals node
UE - Editor - UI Systems - Jan 5, 2026Context UITag and UIActionTag are blueprint-exposed struct classes that derive from GameplayTag. GameplayTag variables can be compared in blueprint with ==. Under the hood, the node maps to UBlue ...
Landscape Splines in Partially Loaded World Partition Levels Can Cause Nanite Landscape Invalidation
UE - Graphics Tools - Terrain - Nov 7, 2025Certain placements of landscape splines in world partition levels can cause Nanite landscape proxies to invalidate, and switch back to their non-nanite version. This happens when specific regions of ...
Selection Highlight cannot be disabled for Skeletal Meshes
Tools - Feb 7, 2017Selection highlight cannot be disabled for Skeletal Meshes. They will always have the outline selection and some tinted selection over their faces. Static Meshes do not exhibit this behavior. This ...
Audio in animation editor does not work properly
OLD - Anim - Apr 21, 2017There are multiple issues with the code at present 1) The animation preview world listener is not updated. This can be solved with the following override on AnimationEditorViewportClient (Following ...