Construction script on child actor components not respected in PIE

UE - Gameplay - Blueprint - Jan 14, 2016

Child Actor Components run their construction scripts upon parent's placement in level. However, these specifications are not maintained once PIE is initiated. ...

TUnion implementation is missing

UE - Foundation - Core - Feb 24, 2015

The implementation for TUnion is commented out (in Union.cpp) causing it to not function properly. DEFINE_LOG_CATEGORY(LogUnion); has to be added to the user's source file for the VS compille to wo ...

Nativized UMG assets not visible

UE - Gameplay - Blueprint Runtime - Aug 4, 2016

Widgets appear and function fine in regular PIE. This may be a result of recent changes to widgets in Dev-Editor. Will regress upon request. ...

User confusion over Visibility/Hidden in Game track

UE - Anim - Sequencer - Sep 6, 2016

User confusion over Visibility/Hidden in Game track. We're running into some issues where it's only switching Hidden in Game when you Play, which essentially does nothing with lights, among other p ...

Need to add a project setting to launch a game in VR

UE - Platform - XR - Jun 3, 2016

Add a new Project Setting to attempt to launch project in VR by default (e.g. check this setting OR -vr in the UEngine::InitializeHMDDevices() function ...

Soft Object References set directly on parameters are not correctly referenced

UE - Gameplay - Mar 19, 2020

REGRESSION: This regressed between 4.23 and 4.24 Assets set directly in a soft object reference pin on a blueprint function are not correctly referenced. ...

Cannot create FBXEportOption in blueprints

UE - Anim - Sequencer - Jan 5, 2021

The class UFbxExportOption is not specified as a blueprint type, so it cannot be constructed in blueprints. This class is needed for exporting FBX files from a sequence, which means this functionali ...

Search for references in embedded gameplay tags editor of blueprint editor details panel does nothing

Tools - Sep 22, 2020

There is an arrow with a menu that opens when clicked. That menu binds member functions to the widget. The widget is being deleted when the user clicks on the action in the menu, before the action i ...

DrawDebugSphere & DrawDebugAltCone deref nullptr if used in constructors

UE - Graphics Features - May 2, 2016

\Engine\Source\Runtime\Engine\Private\DrawDebugHelpers.cpp DrawDebugSphere and DrawDebugAltCone both try to dereference variable 'LineBatcher' without checking for null, as the other DrawDebug func ...

Passing a TAssetPtr into a BlueprintImplementableEvent results in a build error in the generated code.

UE - Foundation - Core - Dec 2, 2015

Trying to pass a TAssetPtr to a BlueprintImplementableEvent function will result in a build failure. It appears that the TAssetPtr should be passed as a const reference, but this results in an error ...