Separate translucency rendering and material BumpOffset UV issues

UE - Rendering Architecture - Oct 20, 2023

It appears as if the primary screenpercentage is being sent as the screen size to separate translucency materials, even though separate translucency has its own screenpercentage (r.SeparateTransluce ...

p.NetShowCorrections debug capsules do not match character's orientation with custom gravity direction

UE - Gameplay - Player Movement - Jun 25, 2025

This looks to be because the debug drawing uses FQuat:Identity for the capsules, rather than the character's orientation. ...

"Clothing" options do not appear after importing an apx made with the 3.4 plugin

UE - Simulation - Physics - Character - Jan 13, 2017

"Clothing" options do not appear after importing an apx made with the 3.4 plugin Regression: Sort of. 4.14 now uses the 3.4 version of PhysX and this only appears to happen with apx files exporte ...

SkyLight IBL looks blurry on Android

UE - Platform - Mobile - May 12, 2021

Fatal error when creating listen server on an instance with a PendingNetGame

UE - Networking - Apr 28, 2025

This seems to occur because the PendingNetGame is not destroyed when the instance browses to the new level to start listening. In UEngine::LoadMap, UWorld::SetGameMode will create the game mode, pro ...

Relative Rotation of Component Fluctuates When Setting Relative Location

UE - Gameplay - Jun 14, 2017

When attaching a component to a camera in the Character, setting its relative location is causing the relative rotation to fluctuate by 2-4 degrees depending on the rotation of the camera component. ...

Numerous LogMetal: Warning: AsyncCopyFromBufferToBuffer on overlapping ranges Warnings

UE - Graphics Features - Mar 13, 2018

Numerous LogMetal: Warning: AsyncCopyFromBufferToBuffer on overlapping ranges Warnings Warnings do not appear to be linked to any visual/performance problems in the editor. Could be safely ignored. ...

Incorrect shadow on movable objects with ES3.1

UE - Platform - Mobile - Jan 10, 2020

While in ES 3.1 - lighting on movable meshes from static directional light appears to be rotated 90 degrees. The direction of light on movable mesh, both static mesh and skeletal mesh, doesn't match ...

NavMesh generation should not care for Actors that are hidden in the Editor.

UE - AI - Navigation - Aug 5, 2025

The problem is that the Cube is still loaded but "HiddenEd". It's AActor::bHiddenEdLayer property is set to true by the WorldPartition System. The Actor is dirty which makes the WP system pin it (wo ...

Texture Compression Quality vs. Speed Tooltip shows Incorrect Range for Settings

Tools - Nov 23, 2016

Texture Compression Quality vs. Speed settings menu description and Tooltip do not match. ...