Exiting SteamVR while vr-previewing causes editor to stop rendering correctly

UE - Platform - XR - Aug 5, 2016

see webm video below ...

SkyLight IBL looks blurry on Android

UE - Platform - Mobile - May 12, 2021

Right click editor/Slate windows blackout after a while of repeatedly clicking them.

UE - AI Workflows - UI Systems - Slate - Jun 8, 2022

Licensee video of the issue here - [Link Removed]  This can be worked around with this setting:  [Link Removed] However it is not a solution as this setting actually causes other programs, e.g. sl ...

Editor crash on level load when bUseActorFolders is true after dragging Actor into another folder in the Outliner

UE - World Creation - Worldbuilding Tools - OFPA - Mar 7, 2023

From licensee: Hello! Our level streaming setup enables the bUseActorFolders on our levels. When moving the Actor into another folder via the Outline, the editor will crash on the next load Assert ...

MRQ - No Rayrtaced Shadows casted from Groom Caches with only 1 Spatial Sample

UE - Rendering - Graphics Features - May 28, 2025

A groom cache will not cast a raytraced shadow with only 1 spatial sample. It does not matter how many temporal samples you have. ...

The speed and delay of Animators is increased in exports when the scene contains 3D Grass

TM - Rendering - Jul 23, 2025

Reported in SF [Link Removed] For animators (translators and rotators), when the scene contains the 3D Grass materials, videos exported from the scene will display animators delay and speed up abou ...

Static Point build different lighting shape to what the Gizmo shows

UE - Graphics Features - Jun 1, 2018

It has no problem in 4.18 ...