Nesting a Structure in another Structure results in a 'Cannot parse value'

UE - Gameplay - Blueprint Compiler - Jun 28, 2022

This is a regression. Tested in //UE4/Release-4.27 CL#18319896 Nesting a Structure in another Structure results in a 'Cannot parse value' until the data value is updated. If the second structure is ...

CaseIssues with Korean input in Window 11

UE - AI Workflows - UI Systems - Jun 14, 2023

When entering Korean in the EditableBox on Windows 11, the two Korean characters after pressing the Space key are not entered. I confirmed that it occurs in UE5.1 and UE5.2, and it does not occur i ...

Overridden mesh values are lost when upgrading from 5.5.0/5.5.1 to 5.5.2 on blueprint skeletal mesh components

UE - Runtime - Animation - Jan 30, 2025

This issue is caused by the backout in 38341618.  The original code that went into 5.0 affects serialization by changing the UCS modified properties.  When upgrading, the override is lost because th ...

Ensure condition failed when destroying a Level Sequence Actor on tick

UE - Anim - Sequencer - Oct 18, 2019

In Tick processing of LevelSequencActors of World Tick, If you destroy an actor with an actor's ticks, delete it immediately from the LevelSequencActor array. I think that the problem occurred becau ...

Inconsistency is docking location when opening assets

Tools - Feb 19, 2015

When opening materials, textures and meshes the tab that opens will randomly either dock to the main editor window or open as its own window. User's video highlights inconsistency. ...

Changing the mobility of an actor attached to a Skeletal Mesh in the level will change the mobility of the skeletal mesh

UE - Gameplay - Feb 16, 2016

Items attached to the Skeletal Mesh in the World Outliner can alter the Mobility of the Skeletal Mesh. Licensee specifically does not want to have any automated changes to asset mobility to happen ...

Multi-Material Assets lose ability to assign individual actor Material Elements if one element has a Dynamic Material Assigned

UE - Gameplay - Blueprint - Jan 25, 2016

When you have a multi-material mesh assigned to a blueprint in which one of the material elements is set to a Dynamic Material via the Construction Script, you lose the ability to set teh other elem ...

"Error in Feature pack D:/Release/FeaturePacks/TP_VirtualRealityBP.upack" when opening a project in editor.

Docs - Samples - Aug 2, 2016

The following warning appears in the Output Log when opening any project in editor:LogFeaturePack:Warning: Error in Feature pack C:/Program Files (x86)/Epic Games/4.13/FeaturePacks/TP_VirtualReality ...

Match3 Crashes on IOS and Android when Packaged using Nativized Blueprint Assets

UE - Gameplay - Blueprint Runtime - Aug 19, 2016

Match3 crashes shortly after being opened on both Android and IOS devices when the experimental blueprints option "Nativized Blueprint Assets" is enabled. Verified that the issue does not occur if ...

Unable to Launch On - Plugin SlateRemote failed to load

UE - Platform - Console - UnrealFrontend - Nov 9, 2016

Workaround: Delete the StagedBuilds folder within [Project] \ Saved User is not able to LaunchOn on multiple platforms. They receive a message saying Plugin 'SlateRemote' failed to load. The plug ...