Material Instance Can't Update Material Parameters Defined in a Material Function Within a Material Layer

UE - Rendering - Architecture - Materials - Nov 21, 2018

When you edit the parameters of a material function that is within a material layer from the material instance, the material instance does not update. Found in 4.20 CL# 4369336, 4.21 CL# 4541578, a ...

Child actor component class does not update on the client if a class is assigned by default

UE - Gameplay - Blueprint Runtime - Nov 21, 2018

Child Actor Components class settings does not appear to replicate as expected. When the class is changed at run time, the change is not reflected on the client. Additional note: If the class is ...

Mobile VR App Crash with Monoscopic Far Field and Multi-View enabled

UE - Platform - Mobile - Nov 23, 2018

Mobile VR (Oculus Go) App Crash with Monoscopic Far Field and Multi-View enabled Workaround: Do not use Monoscopic Far Field and Multi-View at the same time Also confirmed in 4.22 Main @ CL 45 ...

Actor in same location warning not working if the origin of a static mesh is not within the collision primitive

UE - Gameplay - Nov 26, 2018

If the origin of the static mesh actor is not included within the static mesh primitives, the duplicate actor in same location warning will not proc when building a level. ...

Unreal Frontend crashes when loading a ue4stats file

UE - Foundation - Core - Nov 27, 2018

If Unreal Frontend has been built in the Development Editor configuration, attempting to open a ue4stats file in the Profiler tab results in the Unreal Frontend crashing. The crash does not occur if ...

Making magenta noise in Emissive Map when creating proxy mesh

UE - Graphics Features - Nov 26, 2018

Since magenta is a special color used for initialization of the UE4 and it may have occurred problem because we are performing a branch using equal.[Link Removed][Link Removed] Licensee wants to us ...

Visibility of World Outliner doesn't affect skylight

UE - Graphics Features - Nov 27, 2018

Visibility of World Outliner doesn't affect skylight. But it affects other kinds of lights like Point Light, Directional Light. I found that USkyLightComponent::CreateRenderState_Concurrent() doesn ...

Get time to closest marker stops returning values after markers are added to other animations

OLD - Anim - Nov 30, 2018

When Sync Markers are added to other animations, the Get Time to Closest Marker node stops returning any information. ...

Custom Stencil Is Not Rendering In UI Materials

UE - Graphics Features - Nov 30, 2018

Widgets with a UI Material that uses Custom Stencil will not render meshes with a set stencil. This is working as expected in 4.19 CL# 4033788. Found in 4.20 CL# 4369336, 4.21 CL# 4541578, and 4.22 ...

Get HMD Worn State does not appear to working as expected for HTC Vive

UE - Platform - XR - Dec 3, 2018

The Get HMD worn State does not update the worn state when the headset is put on/taken off. Rather it only updates when the headset sleeps or wakes ups. This means that the headset can be taken off/ ...