Orthographic Rendering - Lumen Reflection Artefacts

UE - Rendering Architecture - Apr 28, 2023

Mutable custom versioning issue from 5.5->5.6

UE - Anim - Mutable - Sep 19, 2025

In 5.6, a handful of new entries in `FCustomizableObjectCustomVersion` were added, including `SetDisplayNamePropertyAsPinNameOfTableNodes`. Looking back at the history, `SetDisplayNamePropertyAsPinN ...

CSM has artifacts if shadow distance less than 2000

UE - Graphics Features - Jun 12, 2019

Startup Movies Fail to Play when Audio Devices are Disabled

Tools - Feb 1, 2016

If a user launches a project in Standalone mode and has a Startup movie while the audio devices on the computer are disabled, the movie will fail to play. As soon as you re-enable an audio device, ...

Runtime Virtual Texture Volume does not update correctly after World Origin shifting

UE - Graphics Tools - Terrain - Landscape - Nov 26, 2020

"Current state is a conduit and will reset to ref pose" warning when using a conduit to select an entry state

UE - Anim - Gameplay - Dec 12, 2022

AnimBlueprintLog: Error: Current state is a conduit and will reset to ref pose. This can happen if a conduit is an entry state and there isn't at least one valid transition to take. State Machine(Te ...

MapCheck warnings when opening a map using landscape override material

UE - Graphics Tools - Terrain - Landscape - Mar 13, 2024

Niagara mesh renderers with a volumetric material trigger a handled ensure and are invisible in the scene

UE - Niagara - Jul 29, 2020

Volumetric materials on a Niagara mesh renderer will not appear in the scene and cause a handled ensure.  ...

Global SkyAtmosphere and Clouds Issues (Ambient Light)

UE - Graphics Features - Dec 3, 2024

Ambient Light on Volumetric Clouds from Sky Atmosphere always is calculated as if the clouds are at the north pole of the planet. Using a sphere-shaped Sky Atmosphere and Volumetric Clouds causes t ...