Unreal Engine Issues
Unreal Engine Issues
No return value for the Add nodes for Map/Set variables
UE - Gameplay - Blueprint - Jun 5, 2018Add nodes for variables using the container type Set/Map do not have a return values that states if an element was successfully added. The tool tip states that this should be the case. This return v ...
Circular reference causes unrelated binding to fail in packaged game
UE - Editor - UI Systems - Sep 19, 2017Text field does not load binding if the widget containing the text field contains an unrelated circular dependency and Event driven loader is disabled. Tested this in 4.15, 4.16, 4.17 4.15 Does n ...
scroll box inside retainer box does not respect scroll box clipping
UE - Editor - UI Systems - Feb 14, 2018There is an issue where scroll boxes inside retainer boxes do not respect scroll box clipping. This issue appears to be a regression. Versions tested: Issue does not occur in 4.17 4.17.2 CL - 36589 ...
Compile Unreal Editor with Visual Studio 2022 can result in an error - Error executing cl.exe, tool returned code: STATUS_ACCESS_VIOLATION
UE - Core - Cpp Tools - UnrealBuildTool - Jan 17, 2023Additional information in the comments. Potential work around if VS has a prompt suggesting installing addition components is to install:MSVC v143 - VS 2022 C++ Arm64 Build Tools(v14.33-17.3)MSVC v ...
FHLSLMaterialTranslator::GetMaterialEnvironment can crash or not load UMaterialParameterCollections
UE - Rendering - Architecture - Materials - Apr 30, 2025In UE 5.5, the Editor may crash in FHLSLMaterialTranslator::GetMaterialEnvironment when loading materials with Material Parameter Collections, likely due to async loading. Calling ParameterCollectio ...
Lyra 5.5 - LAS_ShooterGame_SharedInput has got a missing reference on InputMapping #1
UE - Gameplay - Input - Jan 27, 2025The templated Lyra project for 5.5 is missing a reference to IMC_Default_KBM on /ShooterCore/Experiences/LAS_ShooterGame_SharedInput because it looks like IMC_Default_KBM was renamed to IMC_Default. ...
GoogleARCoreJavaHelper functions are not correctly exported publicly
UE - Platform - XR - Oct 31, 2018The jni functions in GoogleARCoreAndroidHelper.cpp are not correctly exported, when we tried to build a Test project it failed with this exception: java.lang.UnsatisfiedLinkError: No implementatio ...
BuildGraph XML Errors Logged Incorrectly
UE - Foundation - Horde - BuildGraph - Aug 30, 2019Suggested fix from licensee: After investigation, it seems that the filename is passed as a string instead of a FileReference in Script.cs:84. Fixing the issue seems to be as simple as changing th ...
Cloth jitters in Movie Render Queue renders when temporal sampling is enabled
zComponent - Archive - Dec 6, 2022The Cloth simulation time step smoothing is interfering with the substepping fix for multi Temporal Samples by changing the very variable DeltaTime and causing some large errors in the cloth simulat ...
Camera height in the VR template appears lower (floor level)
Docs - Samples - Aug 7, 2017The camera is much lower in Latest (4.17) version of the engine than it was in the previous (4.16) version of the engine. Tested with the oculus rift Regression ...