Win64 - Unplugging audio device causes game to freeze

UE - Audio - Nov 30, 2017

Win64 - Unplugging audio device causes game to freeze. Log is spammed with messages like the following after the device is removed:[2017.11.30-19.38.32:716][386]LogAudio: Warning: Waited 69.495094m ...

TransformVector node break compilation material instance but primary material is successfully compiled

UE - Graphics Features - Jan 31, 2018

There is an issue occuring where TransformVector node break compilation material instance but primary material is successfully compiled. When using a custom node to set the value this node intends t ...

[SolidWorks] Complex assemblies will not import correctly

UE - Editor - Content Pipeline - Datasmith - Importer - Aug 25, 2018

Using Solidworks 2017 Service pack 4.1 the sldasm files only partially import. Instances, folders, and suppressed parts also mess up the import. Suppressed parts show up from different configuration ...

Collision settings of an Instanced Static Mesh setup in the Construction Script are not preserved when the Actor is added to an Instanced Level

UE - Framework - Components - May 23, 2022

Tested in //UE4/Release-4.27 CL 18319896 using Level Streaming the camera was ignored by the ISM_Cube. Collision settings of an Instanced Static Mesh setup in the Construction Script are not preser ...

Array of Instanced Objects on Component Does Not Propagate to Children Correctly

UE - Foundation - Core - UObject - Jun 6, 2017

Attempting to add an entry to an array of instanced objects is not correctly displaying that entry in a child class based on that actor. It is expected that the inherited component in the child acto ...

Unable to edit default values of TMap struct variable stored in an inherited component from the full blueprint editor

UE - Gameplay - Blueprint Editor - Jun 29, 2017

When you have a struct variable that is part of a TMap which is stored in an inherited component, the struct is not editable in the full blueprint editor. It is editable in the data only blueprint e ...

Value of Mass In Kg is multiplying in value when clicked

UE - Simulation - Physics - Jul 27, 2017

When changing the value of Mass In Kg for a child of a Skeletal Mesh Actor, the value is getting multiplied with every select, deselect, and enter press on the value. The number the value is multipl ...

Light leak on mesh when in shadowed area

UE - Graphics Features - Nov 8, 2017

When Cast Shadow and Self Shadow Only in the Lighting Section of the Details of a mesh, the light will randomly hit the mesh even though it is in a shaded area. Light appears to flicker and will com ...

First four landscape tools are not accessible in VR Editor Mode

UE - Editor - Workflow Systems - Jan 8, 2018

Tested in Oculus.  Found in 4.18.2 CL 3794801, 4.17.2 CL 3658906.  Not able to reproduce in 4.19 Main due to a crash upon launching VR Mode.   Users are able to select any of the first four sculpt ...

Split screen causes rendering issues with lightshafts

UE - Graphics Features - Feb 21, 2018

There is an issue occurring where Split screen causes rendering issues with light shafts. This issue does not occur if you use the command " r.lightshaftquality 0" The issue no longer occurs. This i ...