WorldSettings::Pauser doesn't always replicate when the game is paused.

UE - Networking - Aug 9, 2016

Variable "Pauser" in World Settings is often not replicated to the clients when the game is paused. ...

Collision is not updated on Slave Meshes when using "Set Master Pose Component"

OLD - Anim - Feb 17, 2016

Collision pose is not updated on Slave Meshes when using "Set Master Pose Component". This occurs with both Physics assets and Per-Poly collision This severely effects anybody making characters ou ...

Expose 'WorldUp' direction for CableComponents

UE - Gameplay - Oct 13, 2015

When the Cable component is set to specific rotations it will no longer render the cable actor that is attached to a mesh. Image is attached with multiple setups. Workaround to get it to render: ...

Event dispatcher not working as intended when using Mobile Preview and UMG

UE - Editor - UI Systems - Nov 24, 2014

When setting up UMGs, the Print String will not show in the mobile preview. ...

The 'Add Movement Input' node no longer functions on a Default Pawn

UE - Gameplay - Apr 1, 2015

The 'Add Movement Input' node no longer functions on a Default Pawn. This worked in 4.5.1 & 4.6.1. ...

Using a user generated timeline in blueprint causes an exception in engine code.

UE - Gameplay - May 13, 2015

This crash is caused by an exception that is thrown due to the functions inside of a blueprint based off a user-defined class that is suppose to mimic Timelines. ...

Selecting a bone inside of the Persona's Skeleton tab while running DX12 causes a crash

UE - Graphics Features - Dec 9, 2015

When running in Dx12 on Windows 10, the editor will crash if you click on a bone that you wish to edit in the Skeleton tab of Persona ...

Noticeable Audio Pop when Opening a New Level after Spawning and Playing a Sound with Volume Multiplayer at 0.0

UE - Audio - May 18, 2017

A licensee is reporting an audible pop when transitioning between levels with a sound spawned and playing at volume multiplier of 0.0. The original report was a discrepancy between the old audio en ...

Instance Static Mesh element not rendered if array element is removed and another is added

UE - Gameplay - Dec 5, 2017

Instance Static Mesh element is not rendered if array element is removed and another is added. The collision is still present and the instance count will still register as if the non-rendered elemen ...

Collision properties of a component cannot be changed in Viewport

UE - Simulation - Physics - Apr 26, 2018

When using any collision preset other than QuerryOnly, the collision properties cannot be changed when the actor is in the Viewport. ...