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 ...

Erractic Light Component Behavior in Blueprints

UE - Gameplay - Blueprint - May 11, 2015

You cannot PIE if you attempt to adjust the Intensity of a Light via the slider in a BP that is placed in the Level already. In addition the color slider does not stay open when editing values for ...

Adjusting Default Light Settings for Atmospheric Fog causes Crash

UE - Graphics Features - May 2, 2016

Adjusting default light settings in the Color Picker palette for atmospheric fog causes the engine to crash in UE 4.12 Preview Regression: This does not occur in UE4.11 ...