Widgets will bind input delegates to the Player Controller's Input Component, but never unbind them

UE - Editor - UI Systems - UMG - Jan 30, 2024

This is a bug introduced with 18468289 a while ago. We added this functionality for [Link Removed], which allows input event nodes to be placed within widgets and have them behave correctly.  This ...

Error with variable during blueprint compile when selecting and deselecting widget name in UMG

UE - Editor - UI Systems - UMG - Jan 29, 2024

Selecting/deselecting the name of the widget on the UMG Designer will detect bleuprint changes. If compile blueprint at this time, it will output an error "due to old pin". The widget name has not a ...

UMG Animation MPC track cannot preview

UE - Editor - UI Systems - UMG - Jan 23, 2024

The reason should be in FMaterialShader::GetParameterCollectionBuffer , Scene is nullptr and cached value GDefaultMaterialParameterCollectionInstances ** doesn't update. ...

The UI layer system in Lyra leaks widgets when changing level

UE - Editor - UI Systems - UMG - Jan 12, 2024

Detect OnHovered event in child widgets even if HitTest(Self/Child) is disabled in RetainerBox

UE - Editor - UI Systems - UMG - Jan 11, 2024

When HitTest(Self/Child) is disabled in RetainerBox, the child widget is assumed to not fire all hit test events. However, in this case, the hit test event is fired in the child widget. This is an i ...

Mouse lock on a widget in the RetainerBox is misaligned and locked in the wrong position in the standalone/package application

UE - Editor - UI Systems - UMG - Jan 9, 2024

Locking the mouse to a widget covered by a Retainerbox locks it in a different position in the standalone/packaging application than in PIE.  This does not happen if RetainerBox is disabled and the ...

Cannot set background color for UI Domain material preview

UE - Editor - UI Systems - UMG - Dec 18, 2023

Hitting a breakpoint in widget blueprint while running PIE with Selected Viewport mode blocks entire editor rendering

UE - Editor - UI Systems - UMG - Oct 6, 2023

This problem does not occur when running PIE with New Editor Window mode. ...

The getter/setter function bAllowRightClickDragScrolling incorrectly refers to AlwaysShowScrollbarTrack

UE - Editor - UI Systems - UMG - Aug 28, 2023

UScrollBox::AlwaysShowScrollbarTrack has its own getter/setter function (SetAlwaysShowScrollbarTrack/IsAlwaysShowScrollbarTrack). In another property for UScrollBox::bAllowRightClickDragScrolling, ...