Subclass disappears from class variable drop-down on re-open

UE - Gameplay - Blueprint - Mar 13, 2017

Subclass disappears from class variable drop-down upon reopening the project. There is a workaround for the issue but it is strange in nature. Opening the level blueprint and adding the node in scre ...

Black artifacts when navigating viewport

UE - Graphics Features - Apr 18, 2017

When navigating the viewport, placed actors can leave a "black shadow" as the camera viewpoint changes. The artifacting remains until "Game view" or wireframe mode is activated. This only occurs i ...

Incorrect values from NAND node with 3 inputs

UE - Gameplay - Blueprint - May 2, 2017

The values printed from the nand boolean node display incorrect values for the specific set-ups with 3 inputs that are in the repro steps. The node works as intended with 2 inputs, and with some of ...

World Outliner selection does not update transform widget location during play

Tools - May 23, 2017

World Outliner selection does not update transform widget location during play. This issue can be easily fixed simply by reselecting the object, this issue only affects the first time the object is ...

Point Lights Y-Axis Rotation Changed from 4.18 to 4.19

UE - Graphics Features - Jun 6, 2018

Possibly related to [Link Removed]. This affects Static, Stationary, and Movable point lights when upgrading a project from 4.18 to 4.19.2 or Main (tested in CL 4101872). If you click the "Reset to ...

Crash using VisualizeTexture command with texture id

UE - Graphics Features - Jul 1, 2019

Crash always occurs when executing Visualize Texture Command with Texture id. Looks like GVisualizeTexture.Mode doesn't affect correctly. Workaround: VisualizeTexturePresent.cpp FVisualizeText ...

Editor Shortcuts stop working if the editor is launched with a non-Latin-based language

Tools - Nov 4, 2019

Editor shortcuts will not work if you launch the editor with a non-Latin-based language (ex. Russian, Chinese).  The editor must be closed and restarted with English (or possibly any Latin alphabet- ...

Capture Source not changing in Planar Reflections

UE - Graphics Features - Sep 14, 2020

Changing the Capture Source in Planar Reflections is not working as expected. Without being able to change the source, Post Process Materials are not rendering in the Reflection. Reported in versio ...

Left Clicking a menu that contains an option with a submenu will cause the submenu to close while hovering its options

UE - Editor - UI Systems - Mar 25, 2022

If a menu has an entry that is a submenu, and that submenu has entries in it that are also submenus, then the entire menu will close when left clicking the submenu button instead of hovering it. So ...

FAnimUpdateRateParameters::GetInterpolationAlpha appears to be returning an invalid value for TrailMode

UE - Anim - Aug 5, 2023

It appears that  FAnimUpdateRateParameters::GetInterpolationAlpha is not returning a sensible value when running in TrailMode.  Currently the only variable in the calculation is EvaluationRate which ...