Crash when calling capture mouse as the return value in an OnKeyDown

UE - Editor - UI Systems - Sep 25, 2017

The editor crashes when calling an over ridden On Key down function in a widget in order to capture the mouse with the return value of the function. ...

The Name and Expression for the math node are tied together. Changing one changes the other

UE - Gameplay - Blueprint - Jun 19, 2015

When changing the name of the math expression node it will in turn change the expression. Trying to name the node results in the math being replaced with the new name. This also works in reverse. If ...

Duplicate object assert on ClothConfigNv object creation.

UE - Simulation - Physics - Character - Apr 29, 2020

It looks like there are situations where the deprecated config hasn't finished loading before the config map items are recreated causing the assertion: Assertion: Attempting to replace an object th ...

Text blocks are playing "Simon says" All texts blocks become the same text block.

UE - Editor - UI Systems - Jan 19, 2015

After clicking on the little down arrow for localization dragging any of the textblock widgets (that are not set to the default text) will result in all of the text blocks (that are not set to the d ...

SButton does not release mouse capture if it becomes disabled before MouseUp event occurs

UE - Editor - UI Systems - Slate - Mar 8, 2016

It appears that if a slate widget becomes disabled, the MouseUp events won't fire. As a side effect, a mouse capture will not be released if something causes the button to become disabled before the ...

Anchor text can be scaled via the scale box

UE - Editor - UI Systems - Mar 13, 2017

Anchor text can be scaled via the scale box. The scaling for the anchors of widget can be affect if placed in a scale box ...

Ensure/failure when changing the class of a scene component that has bVisualizeComponent enabled

UE - Framework - Blueprint Editor - Oct 20, 2023

Failure occurs at compile time during GC when the replacement component that we create is being destroyed. This component includes the BillboardComponent instance that's attached to the scene compon ...

Image rendering is incorrect when RichTextBlock that displays an image is a child of Retainer Box

UE - Editor - UI Systems - Mar 29, 2021

This issue occurs when using an image with RichTextBlockImageDecorator for RichTextBlock. This displays RichTextBox of RetainerBox and RichTextBox as it is. In the case of UMG Editor, the image is ...

Lots of extra (unwanted) space at the end of a text block when a sizable amount of text is applied

UE - Editor - UI Systems - Apr 23, 2015

NICK: Sounds like accumulated imprecision after multiple lines of text. A user applied a EULA to a Text block and then set the text block inside of a scroll box. The end result was a lot of empty s ...

GPU memory leak during large source control operations

UE - Editor - Workflow Systems - Jul 28, 2022

We've seen some reports of GPU memory leaks during source control operations caused by the animation of the throbber widget, potentially leading to a crash if GPU memory runs out. The crash has been ...