With two viewports some show flags reset after clicking new actor in Outliner

UE - Editor - Workflow Systems - Feb 12, 2022

In my 2nd viewport I like to turn Mode Widgets and Selection off. After I turn them off, if I select any actor through the Outliner, both those show flags turn back on in my 2nd viewport. I think a ...

SteamVR - WidgetComponent DrawAtDesiredSize lag spike

UE - Platform - XR - Dec 3, 2019

Having an actor with a WidgetComponent + DrawAtDesiredSize will cause a lag spike when size changes in VR. Additionally, If you enter a value other than 100 in SetWorldToMetersScale the 'draw at ...

Trying to use a button's default style to set the style of another button will result in a blank white texture

UE - Editor - UI Systems - Oct 19, 2015

If the user gets the default style of a button and then uses that widget style to set the style of another button the second button will then have a blank white texture for it's style rather than th ...

Changing Texture Parameter via SetMateriaInstanceTextureValue remain old texture's reference

UE - Graphics Features - Mar 13, 2020

When editing the texture parameter of Material Isntacne using Editor Utility Widget, the old texture is linked with the SoftReference. When change the texture parameter in Material Instance Editor, ...

Large snap scaling causes meshes to scale 0

UE - Editor - Workflow Systems - Mar 3, 2016

With a large snap scale just selecting the uniform scaler will make the content scale to 0. It seems like it is far too easy for meshes to accidentally be scaled to 0 with snap scaling. Another exa ...

ListView crashes when GlobalInvalidation is enabled.

UE - Editor - UI Systems - Slate - Jan 11, 2022

Reverting to the fix in [Link Removed] (CL#17788567) will avoid the crash. ...

Calling a native interface function implemented by a non-nativized Blueprint asset from a nativized Blueprint asset will silently fail at runtime.

UE - Gameplay - Blueprint - Apr 29, 2020

In the sample project we have a Widget Blueprint asset (SomeWidget) that implements a native interface (PrintSomethingInterface.h). However, in the DefaultEditor.ini file, we've also excluded all Wi ...

Custom Stencil Is Not Rendering In UI Materials

UE - Graphics Features - Nov 30, 2018

Widgets with a UI Material that uses Custom Stencil will not render meshes with a set stencil. This is working as expected in 4.19 CL# 4033788. Found in 4.20 CL# 4369336, 4.21 CL# 4541578, and 4.22 ...

EditInlineNew UObject properties in a UserWidget Blueprint are reset to None when the Blueprint is compiled.

UE - Gameplay - Blueprint - Nov 4, 2016

When a widget Blueprint that is derived from a custom UserWidget class containing a custom EditInlineNew UObject class property is compiled, any value that has been set in the UObject property is re ...

Making a Movie Scene Section Parameters struct in Blueprints will use the incorrect Can Loop values

UE - Gameplay - Blueprint - Jul 26, 2021

Can Loop is the edit condition for two other values in the struct, and those will have values by default when the node is created, so Can Loop will be true in the make struct node.  You can work ar ...