Unreal Engine Issues

UPrimitiveComponent mouse events when underneath Slate widgets not correct

Licensee is adding a widget to the viewport overlay via AddViewportWidgetContent(). The widget receives mouse input when hovered. They return unhandled from all their widget's onmouse functions and ...

The "Project World location to Widget position" node does not return the correct screen position unless the widget's anchor point is set to the top left

When using a widget that has an anchor point that is not set to the upper left the "Project world location to widget position" node does not return the expected location on screen. ...

Crash when widget is replaced and no longer valid

When changing the Visibility of a RetainerBox wrapped widget to “Not Hit-Testable(Self&AllChildren)”, the widget incorrectly accepts the hit test

The result of changing the Visibility of a widget placed as a child of RetainerBox is not reflected. Here we have disabled hittest for the Button widget, but hittest is incorrectly accepted. This is ...

Image widget not showing up when a material is applied and a text block is placed over it

If an image is added to a UMG widget with a material applied to it. It will no longer show up in the viewport if a text block is added to the same widget (above the material via the Zorder). ...

Can't click 3D widget components in mobile preview

When using mobile preview users cannot click on widgets such as buttons if they are placed in 3D widgets ...

Clicking and dragging on a Widget component of an actor that spawns a copy and deletes it's self can cause a crash

When a widget component is clicked and dragged upon rapidly and that widget creates a copy of it's self and destroys the previous version it can cause a crash. ...

Widgets added via the user created section do not update when changes are made to the child widgets

When updating a widget's settings, those changes will not be reflected in the defaults of any instances where that widget has been used. ...

UMG: crash when a namedslot has content in a widget blueprint and its instance

workaround: open WBP_A and remove its namedslot content to avoid having two contents in the same namedslot. ...

Reparenting a UserWidget within that widget's events can break links between UWidgets and their SWidget.

Reparenting a widget within it's own event can cause that widget's tree to have null references instead of references to slate widgets. This happens because when a widget is reparented, we remove a ...