Moving a function to the parent class does not update the FunctionReference on calling nodes

UE - Gameplay - Blueprint Editor - Mar 19, 2021

When SMyBlueprint::OnMoveToParent() gets called the callsites of the function are never updated in dependent blueprints. This results in any UK2Node_CallFunction's not having their `FunctionReferen ...

Vertex Painting on Blueprint Static Mesh components lost on copy

UE - Gameplay - Components - Sep 1, 2015

After vertex painting on a Static Mesh component of a Blueprint, the Vertex paint data is lost when the Blueprint is copied. Oddly, pasting into a text editor shows VertexColorData, but it seems to ...

Output warning log when import .paper2dsprites file

UE - Gameplay - Paper2D - Nov 21, 2020

When import .paper2dsprites file, always output warning log. It seems missmatch URL TexturePackerPrefix and AppName with metadata. - PaperJsonSpriteSheetImporter.cpp const FString TexturePacke ...

Crash when exiting editor before EditorUtilityTask completes

UE - Editor - UI Systems - May 29, 2024

If exiting the editor before the EditorUtilityTask completes, it crashes. It will not crash if canceling the UtilityTask and then exit the editor. The following implementation does not allow destruc ...

Enumeration selections within structs do not properly populate within data tables

Tools - Dec 1, 2015

The first selection of Enums within a struct array do not properly pouplate the table within a datatable (see attached image datatableEnum1). Any other selection populates the datatable, however it ...

'prefix parameter names' checkbox in a material function's settings does nothing.

UE - Rendering Architecture - Materials - Nov 14, 2024

Prefix Parameter Names checkbox does not work as expected, and the Group names are unmodified. The value "UMaterialFunction::bPrefixParameterNames" does not appear to be used anywhere in the Engine ...

Rename Folder in World Outliner does not function on Mac

UE - Platform - Apple - Nov 21, 2016

Right-clicking on a folder in the World Outliner and selecting "rename" in the drop down menu is not functioning on Macs running El Capitan or Sierra. NOTE: The folder can be renamed by selecting, ...

Compiling a Blueprint class resets the actor label in the World Outliner for all instances of that class.

UE - Editor - Workflow Systems - Aug 19, 2021

Any instances of a Blueprint class that were given a custom label in the World Outliner will have their labels reset to the object instance name whenever that Blueprint class is recompiled. The lab ...

[Mac][Metal] (Shadow) Rendering artifacts with 4.11 on Mac.

UE - Platform - Apple - Apr 12, 2016

The first problem noted in this Answerhub post: First one is that static shadows from stationary directional light are completely broken. Screenspace buffer that should contain static shadows is ju ...

10 Pixels Added to Width & Height of Floating Editor Windows Each Time Project is Reopened

Tools - Dec 14, 2015

Each time the editor opens a project, the INIalt text file changes, adding 10 pixels to the width and height of floating sub windows, thus negating the usefulness of the "Save Layout" feature. *Obs ...