Mass Agent Component implementation triggers Aggressive Default Reference Replacement ensure

UE - AI - Mass - Nov 13, 2023

Workaround: Construct the DefaultSubobject with ... = CreateDefaultSubobject<UMassAgentComponent>(TEXT("MASS"), true); The issue appears to be that the DefaultSubobject holds a pointer to the CDO ...

Changing a Grid widget's layer setting a runtime does not update

UE - Editor - UI Systems - May 11, 2018

When changing the layer settings for a widget with in a Grid panel at runtime there appears to be no change. The widgets do not update visibly, however when getting the layer setting it will reflect ...

UMG Animation sounds do not play in PIE

UE - Editor - UI Systems - May 25, 2016

Sounds are not playing in PIE for UMG animations. The sounds will play fine if you launch on or play in Standalone game ...

Screen Space Widget Component offset in Editor Viewport when using Windows Scaling

UE - Editor - UI Systems - Jul 23, 2018

Using Windows scaling above 100% now causes Screen Space 3D Widgets to be offset. (Pressing F11 for fullscreen or launching will cause widget to appear in correct location) ...

On mouse up appears to be captured when hovering over a widget

UE - Editor - UI Systems - Apr 13, 2016

Widget appears to take focus on mouse up and this appears to have functioned differently in earlier versions ...

3D widget Rendering upside down on Android

UE - Editor - UI Systems - Jan 14, 2015

The 3D widget looks fine in the mobile preview. However, when the project is launched to a device the widget will appear upside down. ...

Widget does not completely fill the screen on hmd

UE - Editor - UI Systems - May 24, 2017

Widget does not completely fill the screen on hmd ...

Bug: Replace With Notify option not fully functional

UE - Anim - Runtime - Mar 7, 2025

When you select multiple notifies and attempt to replace them with another notify using "Replace with Notify", it will sometimes replace other random notifies and not the ones you have selected. ...

A REINST error occurs in widgets reference one another

UE - Editor - UI Systems - Oct 23, 2015

If the user has two widgets (widgetA and WidgetB) and they use widgetB inside of WidgetA via the user created section and then they alter widgetB the reference to WidgetB will show a REINST Error. ...