When OpenGL ES 3.1 is enabled for Android build in Handheld AR Template, camera inverts colors

UE - Platform - XR - Mar 26, 2018

When OpenGL ES 3.1 is enabled in Android Build settings, device prompts user to choose to "Allow ARInvertColor to take pictures and record video". If allowed, colors are inverted by the camera. If ...

UDIM UVs are wrong

UE - Graphics Features - Feb 19, 2020

UE4 applies 1-x transform to V coordinate when importing UVs from mesh. This is to handle GL/D3D differences in texture origin, but it breaks UDIM page addressing. It's possible to apply a fix to ...

Split pins on nodes within sub-graphs in an animation blueprint are broken

UE - Anim - Runtime - Mar 16, 2021

There's a bug in the anim bp compiler which results in split pins on animation nodes not being merged properly back onto their parent pin during compilation. The result of this is that any input to ...

Untracked Metadata does not work on arrays of soft objects

UE - CoreTech - Jul 19, 2021

The "untracked" metadata field turns off tracking of soft object references so they will not appear in the content browser or modify things like cooking rules. It works fine on individual references ...

Building Geometry removes Blueprint Actors from a level

UE - Gameplay - Blueprint - Nov 28, 2022

Regression: Tested in UE5/Release-5.0, the issue does not occur so it is a regression. This issue appears to be effecting Blueprint Actors specifically, as creating a Blueprint of any other class d ...

Crash occurs clearing Image in UMG_Throbber Appearance Settings

Tools - Sep 30, 2016

Editor crashes when you attempt to clear the image in the throbber UMG. Log is attached txt file Tested in 4.13.2 CL 3145013 - This does not happen ...

Crash When Pasting More Than 1024 Characters Into Component Name

UE - Gameplay - Blueprint - Mar 16, 2017

I think this issue is mostly caused by users accidentally pasting a lot of text from (for example)a blueprint node while renaming a component. All you have to do is have a BP node in your clipboard ...

Crash Occurs When Importing a .ABC File as Skeletal Mesh Into Project That Already Contains Asset's Materials

OLD - Anim - Jun 8, 2018

Editor crashes when importing an .abc file as a skeletal mesh and the assets materials already exist inside the project. -Materials need exist inside project before import -If the .abc file is imp ...

A Blueprint that references a macro from a macro library cannot be saved if the macro is deleted and then the deletion is undone

UE - Gameplay - Blueprint - Sep 9, 2015

A Blueprint that references a macro from a macro library cannot be saved if the macro is deleted and then the deletion is undone. The following error is given: Can't save ../../../../../../UnrealEn ...

zero-volume being cutoff and not restarted when non-zero

Licensee reported issue with recent changes to sorting that include volume-weighting. Previously, the sort was just due to priority (which was usually 1.0 and thus the sort was nearly random) and ha ...