Atmosphere Sunlight shafts, artifacts, for both cascaded and virtual shadow maps.

UE - Rendering Architecture - Feb 5, 2024

Very large objects casting dynamic shadows on the sky atmosphere can lead to flickering (cascaded shadow maps) or square patterns (virtual shadow maps). ...

Lumen indirect lighting artifacts when far from world origin

UE - Graphics Features - Lumen - Feb 6, 2024

Lumen seems to not be using Large World Coordinates somewhere. The Lumen Scene develops artifacts at large distances (5000 KM) from the world origin. ...

Networked Root Motion Sources can experience desynchronisation that is not present in animation root motion under forced adjustment

UE - Gameplay - Feb 13, 2024

In a networked environment with high packet loss (or high forced adjustment factor), motion applied using Root Motion Sources can desynchronise under conditions that animation root motion does not. ...

Exponential Editor Slate Performance Cost When Editing An Asset With Nested Instanced Structs

UE - Editor - Workflow Systems - Feb 20, 2024

UDN Issue: [Link Removed] ...

When the Initial Position of an Animation Asset is entered outside the expected range, the animation gets stucked and does not refresh.

UE - Anim - Runtime - Mar 18, 2024

The animation gets "corrupted" when the Initial Position value has an invaildad value. In this case, this means that the Initial Position value is outside the range of the duration of the Animation. ...

Look at Android GetTimeStamp local file handling

UE - Platform - Mobile - May 29, 2020

Only files in UFS or NonUFS manifest that are local are returning a non-minvalue timestamp.  While this is expected it is causing issues with logging file handling. See: https://udn.unrealengine.co ...

Shader Complexity not working correctly on Deferred Decals

UE - Graphics Features - Sep 3, 2020

If you place a deferred decal in the world and then set the view mode of the viewport to "Shader Complexity", the decal doesn't affect the complexity value. ...

"Base Pass Shader" stat results are missing or display incorrect information while using Vulkan

UE - Rendering Architecture - Shaders - Nov 15, 2021

Base Pass Shader results are not showing, or showing up incorrectly when looking at the Stats results within the material editor of an Unreal Editor using Vulkan. Regression Tested: //UE4/Release-4 ...

Scaling actor along the Z Axis while the X and Y axis are set to 0.01 causes the Actor to stop rendering in the scene

UE - Graphics Features - May 27, 2022

This is a regression tested in //UE5/Release-5.0 CL18319896 Scaling a Static Mesh along the Z Axis while the X and Y axes are set to 0.01 causes the Actor to stop rendering in the scene once the Z ...