Crash when changing multiple Landscape Blend Layer nodes from Weight blend to Height blend

UE - LD & Modeling - Terrain - Landscape - Mar 13, 2017

A crash occurs when setting the Blend Type for multiple Landscape Layer Blend nodes from Weight Blend to Height Blend. ...

Opening the color picker causes values to change

Tools - Sep 18, 2017

Opening the Color Picker for some color variables causes them to change each time the color picker is opened. Tested with: Light Color and the Albedo variable on ExponentialHeightFog Does NOT occur ...

Point lights with source length building static lighting in incorrect direction

UE - Graphics Features - Mar 21, 2018

There is an issue where Point lights with source length building static lighting in the incorrect direction, the axis in which the light to be built seem to conflict with the preview build. This iss ...

SpawnActor: Actor with StaticMeshActor native parent class spawns with offset when NOT using locally stored transform

UE - Simulation - Physics - May 9, 2018

An Actor with a StaticMeshActor native parent class will spawn with offset when NOT using locally stored transform. Removing collision from StaticMesh has no effect. Changing Collision Handling Ov ...

Ribbon particles moving fast are inconsistent in initial position.

UE - Niagara - May 21, 2019

The fast-moving ribbon particle trail looks different on the server and client. It looks as though the client was drawing the previous frame. ...

Ray Traced Reflections Get Darker The Higher The Rougness Value is for Metallic Materials

UE - Graphics Features - Lumen - Jun 11, 2019

Instead of reflecting an average color of the surrounding, reflections become black with increased roughness values. Found in 4.22 CL# 6574378 and 4.23 CL# 6925347 ...

Placeable UCLASS specifier doesn't override parent classes NotPlaceable UCLASS specifier

UE - Foundation - Core - Jul 12, 2019

When the child of an actor with the UCLASS specifier NotPlaceable has the UCLASS specifier Placeable it still isn't placeable. This behavior doesn't occur in 4.20.3. Found in 4.22 CL#7053642 Reprod ...

Niagara Systems are reset after changing the sg.EffectsQuality

UE - Niagara - Sep 24, 2019

Changing the effect quality from the console window causes Niagara systems to reset their visibility. Tested in 4.22.3(CL - 7053647), 4.23 (CL - 8386587), 4.24 (CL - 9023396) ...

Landscape Resample Tools does not keep Streaming Proxy

UE - LD & Modeling - Terrain - Landscape - Nov 25, 2019

alone ...

Creating a new C++ Synth Component results in a failed compile linker error.

UE - Audio - Dec 19, 2019

Upon creating a new Synth Component C++ Class in Unreal 4.24, the compiler will fail to compile with a Linker error. ...