Key Interpolation method is not saved when calling the color picker by key editing of Sequencer

UE - Anim - Sequencer - Feb 17, 2022

The problem is that the interpolation method is not saved when editing the Vector Parameter. ...

Linear Color Texture causes break point through Material Function into Material Instance

Tools - Jan 29, 2015

When changing the Texture in a Material Instance made from a Material with Parameters found in a Material Function, Visual Studio throws a breakpoint. I was able to continue past the breakpoint (3 ...

Hex code that is applied to a light is forcibly changed with using the Details panel in the World Outliner

Tools - Oct 7, 2015

If a user sets the light color with a node (Set Light Color) in blueprints, it will use the exact Hex code that is given. However, if the user uses the world outliner to set the light color of a lig ...

HDR values are not updating in Pixel Inspector

Tools - Jan 5, 2017

HDR setting in the Pixel Inspector does not update with the color you hover over. The color bar should update similar to Final Color settings and value of Luminance setting should update as well. ...

Niagara - When Interpolated Spawning is disabled, the first frame of each particle unexpectedly does not take into account the Particle Update stage

UE - Niagara - Feb 28, 2025

Foreword: Even if the behavior described here is by design, it is rarely (if ever) expected or desired. This was discussed and agreed to be treated as a bug. Explanation below. When interpolated sp ...

SunTemple is washed out in one color on some Android devices.

UE - Platform - Mobile - Jan 16, 2017

This was discovered during the 4.15 mobile compat. ...

Slate UI asset colors washed out on iOS

UE - Platform - Mobile - Feb 24, 2017

UI widgets are appearing a much brighter than they should TEST MACHINE SPECS: iPhone 7, iPhone SE, iPad Pro ...

Light shaft smear color due to TAA bleeding

UE - Graphics Features - Feb 10, 2020

See https://udn.unrealengine.com/questions/553031/volumetric-fog-bug.html?childToView=554676#answer-554676 ...

Material Emissive Color not working with SkyAtmosphereIlluminance Material Expression

UE - Graphics Features - Jan 9, 2025

A licensee has reported that they are unable to use an emissive material utilizing the SkyAtmosphereLightIlluminance material expression together with Nanite and Lumen. The linked UDN has some more ...