Unreal Engine Issues
Unreal Engine Issues
"Failed to find object 'Class None'" in project log after creation
UE - Foundation - Core - Nov 17, 2014Users reported seeing the line "LogUObjectGlobals:Warning: Failed to find object 'Class None.'" in the Output log after creating a project. I was able to confirm in a new blank code project without ...
Draw Debug String appears to render in the wrong location
Tools - Jan 23, 2018Draw Debug String appears to render in the wrong location when changing the scaling for a monitor containing the editor. ...
Set Members in Struct node doesn't work if the Struct is contained within an Array
UE - Gameplay - Blueprint - Dec 9, 2014Set Members in Struct node doesn't work if the Struct is contained within an Array. ...
Steam VOIP will drop packets with more than two people talking at once
UE - Online - Oct 5, 2016VOIP has a limited amount of concurrent clients talking before packets start to get dropped. ...
Material Instance Can't Update Material Parameters Defined in a Material Function Within a Material Layer
UE - Rendering Architecture - Materials - Nov 21, 2018When you edit the parameters of a material function that is within a material layer from the material instance, the material instance does not update. Found in 4.20 CL# 4369336, 4.21 CL# 4541578, a ...
Particle Mesh Emitters Cause Heavy FPS Stutter
UE - Graphics Features - May 4, 2018Per User: After updating my project from 4.18 to 4.19, I started getting huge FPS drops at regular intervals. I managed to trace back the issue to particle systems with mesh emitters and could repr ...
UMaterialBillboardComponent Memory Leak and Hitching (Unreal 4.19.2 + 4.19.1)
UE - Graphics Features - May 4, 2018Creating an actor with a UMaterialBillboardComponent causes Editor hitching. ...
Renaming or Moving a Map with a Landscape in it results in an error and fails to save map
UE - LD & Modeling - Terrain - Landscape - Jul 25, 2018When renaming or moving a map with a landscape in it this will fail and an error prompt will appear. ...
A version of UnrealVS for VS2019 is not included with the Engine
UE - Foundation - Cpp Tools - UnrealVS - Apr 18, 2019Version 4.22 of the Engine includes initial support for Visual Studio 2019. However, an updated version of UnrealVS for VS2019 is not included in the Engine. ...
Mesh Vertex Painting Broken for Splines
UE - Rendering Architecture - May 22, 2023The mesh painting mode appears to no longer work on splines, as the vertexes seem to have all vertex colors at 1, 1, 1, 1 by default, and can't be removed or painted anything else. ...