Reflection Vector not translating into ES2 when applied via an Emissive Color

UE - Platform - Mobile - May 28, 2015

When you have a Reflection Vector plugged into a Cubemap and applied to the Emissive Channel of an Unlit Material, the Cubemap will not render on a mobile device with ES2 or in ES2 (Mobile/HTML) Pre ...

Change background color/tooltip of behavior tree's root level decorators

UE - AI - Dec 1, 2015

Users find it confusing when they add decorators on root composite and none of those decorators work. We need to keep them for subtree feature though. And it can result in root-note decorators not ...

Material Editor: Material Expression Constant Node Preview Incorrect Color

UE - Rendering Architecture - Materials - Jun 4, 2020

Users can create multiple tracks for the same parameter in sequencer

UE - Anim - Sequencer - Oct 25, 2016

Users can create multiple tracks for the same parameter in sequencer. In the case of changing a spotlight color the change in color results in a new track being created ...

Landscape Spline meshes lose vertex color paint after moving to another level

UE - LD & Modeling - Terrain - Landscape - May 11, 2018

UDN: https://udn.unrealengine.com/questions/432735/%E5%9C%A8%E6%B5%81%E5%85%B3%E5%8D%A1%E4%B8%AD%E6%8F%8F%E7%94%BB%E6%A0%B7%E6%9D%A1%E6%9B%B2%E7%BA%BF%E4%B9%8B%E5%90%8E%E5%A6%82%E6%9E%9C%E6%8A%8A%E ...

Lumen generates gradated shading even if the light is a constant color sky light

UE - Graphics Features - Lumen - Jul 22, 2022

Lumen generates a gradated shading even if objects are lit by a 360-degree constant sky light.[Link Removed][Link Removed] I looked into this and found that this comes from Spherical Harmonics int ...

Circular Throbber does not appear to be affected when setting the tint

UE - Editor - UI Systems - Jan 25, 2016

Circular throbber does not appear to change colors when changing the tint ...

Scene color is copied every draw call if materials read from it (redundant copy optimization is broken)

UE - Graphics Features - Aug 31, 2016

See TranslucentRendering.cpp // todo: this optimization is currently broken DrawingContext.bSceneColorCopyIsUpToDate = (DrawingContext.TranslucenyPassType == ETranslucencyPass::TPT_Separat ...