Translucent User Interface materials do not have a thumbnail preview

Tools - Feb 15, 2018

Translucent User Interface materials do not have a thumbnail preview. I do not see this issue with Translucent Surface materials. REGRESSION: No, this issue also occurs as far back as 4.17.2 ...

Crash running construction script after compiling BP function library

UE - Gameplay - Blueprint - Sep 15, 2020

Editor can assert when changing the signature of an editor authored Blueprint Library Function (FuncA) if that function is called from a Blueprint Library Function (FuncB) via an actor's constructio ...

Compiler warning after renaming variable in animation template

UE - Anim - Runtime - Anim Blueprints - Aug 15, 2023

See UDN: [Link Removed] ...

In Persona, Viewport shortcuts remain default after changing Key Binding preferences

OLD - Anim - Dec 22, 2015

After adjusting viewport shortcuts in Editor Preferences, the Persona viewport seems only partially responsive to the changes. It's as if the viewport shortcuts are hardcoded for Persona. Example ...

Adjusting transform of a mesh with LODs causes LODs to flicker

UE - World Creation - Worldbuilding Tools - Foliage - Jun 3, 2015

If a hierarchical instanced static mesh has LODs and is scaled in a blueprint, the mesh will rapidly switch between LODs, causing a flickering effect. Note: This only seems to occur if the camera ...

Arrays chosen through a Select node cannot be altered

UE - Gameplay - Blueprint - Jun 3, 2015

Arrays chosen through a Select node cannot be altered. Note - This is also reproducible using any of these nodes instead of using 'Add':Add UniqueSet Array ElemInsert ...

The Open Level command is causing Android devices to freeze up

UE - Platform - Mobile - Dec 1, 2014

If you use the Open level node in the newest promoted build, once the project is deployed to an Android device, when triggered with a UMG, the project will freeze and be unplayable. Issue does not ...

Calling a child's child in a child blueprint from a spawn actor from class node that is being called back to the child causes an error

UE - Gameplay - Blueprint - Jun 29, 2015

Calling a child's child in a child blueprint from a spawn actor from class node that is being called back to the child causes an error. Basically, when using the spawn actor node referencing the chi ...

"Play" node does not restart the animation when triggered

UE - Gameplay - May 13, 2015

"Play" node in the Blueprint Editor does not restart the animation when it is triggered. Problem crops up when somebody wants to replay the animation assigned to the skeletal mesh more than once. ...

Projects with "TargetPlatform" set as a dependency cannot be packaged to Windows 64-bit if the project is made using the binary version of the Editor..

UE - Foundation - Core - Apr 10, 2015

Including "TargetPlatform" as a private dependency of a code project created using the binary version of the Engine prevents the Editor from being able to package the project for Win64. Removing the ...