Cannot not add child to horizontal box after drag and drop

UE - Editor - UI Systems - Apr 28, 2016

After dragging a widget around, a horizontal box will no longer accept children ...

Import overwrite Yes to All/No to All broken

Tools - Jan 4, 2017

This is a painful bug for audio, because many times we are replacing hundreds if not thousands of files this way. ...

Crash When Playing After Setting Size of Retainer Box to Minus

UE - Editor - UI Systems - Nov 25, 2019

Retainer box has minus size occurs crash when PIE, standalone and package.  Probably, we should add any codes for adjust size to 0 or more to  URetainerBox::SynchronizeProperties(). ...

UWIdget classes with missing ReleaseSlateResources() overrides

UE - Editor - UI Systems - Oct 7, 2015

UListView, USlider and possibly others don't have ReleaseSlateResources overridden despite having shared pointers to stuff. ...

MaterialProxyReplace node does not work with Approximate setting in HLOD generation or Actor Merge

UE - World Creation - Worldbuilding Tools - HLOD - May 15, 2023

This is the same behavior for HLOD generation of World Partition. Replace is useful when there is a material that changes parameters with information such as camera. ...

Duplicating an actor that calls a custom event from another actor receives compile error

UE - Gameplay - Blueprint - Jun 23, 2015

Duplicating an actor that calls a custom event from another actor receives compile error until the node is removed and replaced. ...

Assigning an image that is not the default to the Disabled state of a button does not work

UE - Editor - UI Systems - Jan 15, 2015

Tools team notes: Make disabled state hidden. If the user applies an image to the disabled state of a button the button will not reflect this change in game. For example if I were to set the disabl ...

Slider doesn't properly bubble the OnKeyDown event

UE - Editor - UI Systems - Apr 7, 2016

Once a slider receives keyboard focus, the keys will not navigate away regardless of the navigation settings. This is because the slider's OnKeyDown function does not pass along the call when the ev ...

Outline colors do not update properly when changing them on the fly

UE - Editor - UI Systems - Slate - Feb 17, 2017

Partial screen black out when using a Multi line text box on iOS

UE - Editor - UI Systems - Sep 20, 2017

Parts of the screen are blacked out on iOS devices when using a Multi line text box inside of a widget component ...