Widget Flickering Observed in RetainerBox with Incorrect LayerId

UE - Editor - UI Systems - UMG - Nov 19, 2024

Setting the Phase Count of a RetainerBox to 2 or more may cause other widgets within the same UserWidget to flicker. Upon investigation, we found that during frames where the flickering occurs, the ...

Users would like to be able to capture UMG within matinee when recording

UE - Anim - Sequencer - Jan 9, 2015

Users would like the ability to capture any Widgets that are added to the screen during their matinee. ...

Packaging failed! toast does not replace the previous toast

Tools - Nov 29, 2017

Packaging failed! toast does not replace the previous toast. Users are able to click the Dismiss button for the most recent toast, but not for any others. The Show Output Log link works on all acti ...

Crash when placing a native UserWidget in a panel within another UserWidget

UE - Editor - UI Systems - Oct 7, 2019

The engine crashes when trying to initialize a native UserWidget within another widget. This happens because UUserWidget::GetSlotNames gets called before the widget tree is initialized, and we don't ...

Scroll box bar cannot be dragged when used in a widget component

UE - Editor - UI Systems - Jun 23, 2017

The Scroll box cannot be scrolled by clicking and dragging the scroll bar when used as a widget component. ...

Virtual keyboard does not come up when using a widget that allows text editing

UE - Platform - Mobile - Jan 19, 2017

Virtual keyboard does not come up when using a widget that allows text editing ...

Tiling Sprite in UMG uses whole image

UE - Editor - UI Systems - Sep 21, 2020

When a Sprite that has been created from a Texture Atlas is used in a Widget, it can not be tiled. Instead the whole Texture Atlas is tiled.  Reported in version 4.25.3(CL 13942748). Tested and fou ...

TSR does not converge while using the color grading widget

UE - Editor - Applied Usability - Jun 17, 2025

TSR (and TAA) does not converge when interacting with the color grading widget, but while keeping the mouse still. This makes it real-time previews more difficult. The expected behavior would be tha ...

UserWidget Struct members cannot be cleared when set from a parent widget

UE - Editor - UI Systems - Sep 22, 2016

Struct members belonging to a UserWidget can be set from a parent widget, but they cannot be cleared. Upon compiling, the member will be set back to it's previous value. ...

Renaming a Struct variable that is used in a Widget BP creates 'Warning: Unknown property in' warnings in the Output Log

UE - Gameplay - Blueprint - Apr 27, 2016

Renaming a Struct variable that is used in a Widget BP creates 'Warning: Unknown property in' warnings in the Output Log User Description: I think this should be brought up as these seems to be a ...