Unreal Engine Issues

Widget retains reference for widgets that have been replaced and deleted

Widget references remain even after the referenced widgets have been deleted. This happens if the widget was replaced with another user created widget. ...

Replacing a Widget and then reusing it's name for another widget will cause a crash

The user named a border "background" then replaced it with a canvas panel. After this they made an image and named it "background" and this cause a crash. Some kind of naming conflict. ...

UMG widgets aren't cleared when levels are swapped via 'open LevelName'.

If a level has UMG widgets, swapping to other levels (including the level you're already on) doesn't clear away the UMG widgets. ...

Replacing a UI widget element and then undoing it causes the Widget Blueprint's UI elements to be deleted on editor restart

When using the Replace With option and then undoing it, upon engine restart the Widget Blueprint's UI components are all removed from the Widget Blueprint. It seems the undo is crucial to the issue, ...

UMG Widgets containing child widgets that have bound animations fail to save

Adding a child widget that contains a bound animation to a separate widget blueprint results in failure to save. Working in 4.22.3 Tested in: 4.22.3 CL#7053642, 4.24.1 CL#10757647, 4.25 CL#108892 ...

References to original assets/widgets are left behind when replacing them in UMG

Crash occurs while replacing a Widget Component with a user created Text Block

This is not a regression. Tested in //UE4/Release-4.27 CL18319896. The crash occurred. Crash occurs while replacing a Widget Component with a user created Text Block blueprint. ...

Replace with child on subtree of the NamedSlot is broken after reloading a widget.

"Replace with child" does not work well with the NamedSlot widget after reloading the widget blueprint in Contents Browser. ...

UMG: Crash When playing an animation with the Same Name as a Widget

Editor crashes when a UMG widget (Text block, whatever) and an animation track share the same name and the animation is played. NOTE: The Editor will not allow you to name a Widget the same as an a ...

UMG Animations do not play while the widget is offscreen

Currently, widget animations are updated in UUserWidget's NativeTick. Widgets do not tick when they are offscreen (as intended), but as a side effect, animations are paused and will resume once the ...