Unreal Engine Issues

Incorrect normal calculation when rotating a ProceduralMeshComponent

Issue happens on meshes loaded from FBX and used to create a ProceduralMeshComponent with CreateMeshSection_LinearColor function ...

[CrashReport]UE4Editor-AudioMixerXAudio2!Audio::FMixerPlatformXAudio2::OpenAudioStream(Audio::FAudioMixerOpenStreamParams const &) [AudioMixerPlatformXAudio2.cpp:951]

This issue is occurring on startup for users. This could be potentially related to a recent Windows Update. ...

unreal.py stub can overload IDE parsing limits

We should consider splitting this into separate per-module files that are merged together via imports. Any strong dependencies (eg, inheritance) need to import the type being inherited. ...

TeleportTo result with Chaos is different from PhysX

The result with Chaos is not wrong, rather it returns a correct correction vector, that vector is perfectly horizontal to the teleport buried against the landscape mesh. Therefore, teleportation wil ...

FFastArraySerializer property not replicated when using ForceNetUpdate on dormant actor

See the linked UDN for more information. It also seems as though calling ForceNetUpdate before making the changes to the fast array results in the changes being properly replicated. ...

Motion blur does not work with ray traced translucency enabled

[CrashReport] FTaskGraphCompatibilityImplementation::ProcessThreadUntilRequestReturn

Generated from CrashReporter ...

DistanceToNearestSurface used for post process broken when separate actor culled

This one may not necessarily be a bug, as this is related to the nature of culling. If it is not, please let me know if there is an alternative method the licensee could use here in order to track a ...

VirtualScoutingInteractor BP does not allow for rotation offset

Very thin meshes cause flickering with emissive materials.

The licensee has reported that when you make a mesh extremely thin (e.g. z = 0.0001), it can cause emissive materials applied to the mesh to flicker. ...