Unreal Engine Issues

Instanced Static Meshes Incorrect Normals when Scaled Non-Uniformly

When comparing the World Normals of an Instanced Static Mesh being scaled non-uniformly to that of a regular Static Mesh, their normals do not match one another. I have attempted to look over the d ...

Replicated variables defined in Actor Component blueprints do not actually replicate

Replicated properties defined in an actor component blueprint are not being replicated because UActorComponent::GetLifetimeReplicatedProps isn't adding the blueprint properties to the OutLifetimePro ...

Packaging a plugin for iOS fails when using remote build from a Windows PC

Packaging a plugin for iOS fails when using remote build from a Windows PC. This may be related to [Link Removed]. ...

Editor becomes unresponsive when Playing Editor with 3 or more players when an Oculus is hooked up

The editor appears to freeze when PIE is set to run with 3 or more players and an Oculus is hooked up to the machine. As a note this issue occurs the second time that PIE is used. ...

Incorrect Skysphere Material Reflection with Ray Tracing

The reflected Sky material looks blurry and low res when set to unlit, however setting the material to Default Lit has the correct reflection. Even though the reflection is correct the lighting brea ...

Optimization Viewmodes are not visible when Android Preview is enabled

A user has reported that the Optimization Viewmodes menu does not appear with any options when the Preview Rendering Level is set to Android ES2 or ES3.1. Regression?: Yes This did not occur in 4.2 ...

GetAllMobileRelevantLayerNames drops those layers which are only connected to RuntimeVirtualTextureOutput Node

in UMaterial::GetAllReferencedExpressions, the mobile branch ignores every CustomOutputExpressions including RuntimeVirtualTextureOutput. ...

Android Vulkan SM5 crash at startup

Iris - replication errors for actors in runtime data layer when reconnecting

It seems like upon reconnecting to the server, the client receives a bunch containing the actor before it has loaded the data layer. See attached log snippet for errors. ...

Build failure packaging for android with GoogleVR plugin enabled

Android is failing to package when GoogleVR is enabledUATHelper: Packaging (Android (ATC)): UnrealBuildTool: BUILD FAILED UATHelper: Packaging (Android (ATC)): UnrealBuildTool: C:\NVPACK\android-sd ...