Playing video in the Editor's Media Player on a Mac results in a degradation in quality with some noticeable banding present

UE - Platform - Apple - Dec 19, 2018

Playing a video on a Mac using the Editor's Media Player results in the video appearing to have had its data compressed, and with an apparent decrease in quality. In particular, there is noticeable ...

Object Scale Not Working with Instanced Static Mesh

UE - Graphics Features - May 19, 2016

Using Object Scale in your material with an Instanced Static Mesh does not change the color of the material if you scale the individual instances of the Instanced Static Mesh component. If you scal ...

Visual discrepancy appears with local position offset while mipmaps are enabled

UE - Graphics Features - Oct 20, 2017

There is a visual discrepancy appears with the local position offset while mipmaps are enabled, when using a custom node that takes information from the local position node, with a texture that cont ...

Crash when opening a texture or editing its properties after stopping a preview in the material editor

UE - Rendering Architecture - Materials - Sep 5, 2025

When a texture asset has certain properties edited, its PostEditChangeProperty() method calls to UTexture::NotifyMaterials(), which triggers a recompilation of materials that reference it in their m ...

Billboard appears darker on Mobile preview than in editor

UE - Platform - Mobile - Jun 11, 2018

When playing in mobile preview or on the mobile device. The color is darker than what is seen in the editor. ...

Duplicating skeletal mesh assets with groom in world outliner changes Hair UV layout

UE - Rendering Architecture - Materials - Dec 10, 2021

Having duplicate characters with groom, hair UV layout changes which results in visible shift in character look and also changes color based on camera distance and lights in the scene (hair would fl ...

FColorSpaceTransform Crash on Linux due to misalignment

UE - Virtual Production - Rendering - Color - Dec 15, 2023

FLinearColor FColorSpaceTransform::Apply(const FLinearColor& Color) crashes while attempting to VectorLoadAligned() when running the UnrealEditor on Ubuntu 22.04. ...

Screen position expression does not work in UMG

UE - Editor - UI Systems - May 12, 2015

Screen position does not appear to work when used in UMG. The Material appears to be one solid color. ...

Show all available assets in editor using FStringAssetReference and AllowedClasses

Tools - Apr 22, 2016

Currently using FStringAssetReference and AllowedClasses will populate the asset picker with only valid instances that are currently placed in the level. This request would show all available asset ...

Mobile Preview - Higher Gamma in 4.22+

UE - Platform - Mobile - Apr 5, 2019

Colors are 'washed out' / higher gamma in 4.22 mobile preview modes. Confirmed in 4.23 MAIN @ CL 5755712 ...