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. ...

Landscape Grass scale not applied when min and max are same value

UE - World Creation - Worldbuilding Tools - Foliage - Feb 13, 2020

If min and max scale are the same in a LandscapeGrassType asset, scale will not be applied. Confirmed in 4.25 MAIN @ CL 11318998 ...

"Navmesh needs to be rebuilt" error message while running a Listen Server and Client

UE - AI - Navigation - Mar 1, 2022

Navmeshes produce a "Navmesh Needs to be rebuilt" error while running a Listen Server and a Client. ...

Incorrect keying when a Transform Origin is applied

UE - Anim - Sequencer - Mar 28, 2023

See steps to repro. Our key recomposition algorithms need to take into consideration the Transform Origin manipulations. ...