Unreal Engine Issues

Material Editor Tooltips for Sine and Cosine Expressions are Incorrect

The tool tips for Sin and Cosine within the material editor need to be modified. The tool tips are inconsistent and do not match the information in official documentation. [Link Removed] ...

Casting to ActorComponentOwner inside of nested Inline instanciated Blueprints owned by ActorComponentOwner disappear after Editor restart.

A set of objects which can be instantiated Inline in the Editor that contain an array of References to their children that have nested Blueprint objects inheriting from a Native Base Class can cause ...

Colors of Individual Lens Flare Tints Cannot be Changed in UE 4.18+

If you create a project in 4.17 and follow the Repro steps, you will be able to adjust the colors of individual lens flares. If you copy the 4.17 project into 4.18, 4.19, 4.20 Preview, or 4.21 the f ...

Composite Textures Normal to Roughness Alpha doesn't generate valid data

Media Sound Component does not respect SoundClass Volume on Android

Media Sound Component, Sound Class Volume not applied on Android. Tested with Galaxy S5 4.19.2 CL 4033788 4.20p5 4173640 4.21 CL 4179794 - Packaging error on android ...

Changing default values in a user defined struct will break links

Changing user defined struct values appears to break any nodes that use pin splitting for the given struct. It would appear that some parent pins aren't set correctly during reconstruction, which or ...

Loading CVAR preset does not apply the parameters to other nodes in multi-user until manually toggled on/off

Loading a CVAR preset does not apply the parameters in the preset to other nodes in multi-user. These parameter values must be toggled On/Off manually after loading to apply correctly. ...

Is there a particle smoke that matches the world lighting 100%?

Niagara particle sprites with a Translucent Material are glowing in a completely dark area. This issue is also observed with the deprecated Cascade particles. Particle brightness is also dependent ...

Manipulating Morph Target on Master Component distorts Slave Components

Manipulating Morph Targets on Master Component distorts Slave Components. It makes no difference if the slave component has the morph target being manipulated in the master See attached image and ...

No Implementation of Constructor in FNetBitReader

It seems that in CoreNet.h, there are two constructors declared. However, only the first constructor is defined in CoreNet.cpp. If you look in CoreNet.h, you'll notice that FNetBitReader( int64 In ...