Unreal Engine Issues

Non-public BlueprintCallable function calls do not compile in a nativized Blueprint.

A nativized Blueprint cannot currently invoke a non-public BlueprintCallable function that's defined in native C++ code without resulting in a C++ compile error. Example: APlayerController::PlayDyn ...

Severe ghosting on animated objects when camera stops moving in sequences when using path tracer

Pixels seem to stop updating in the path tracer when a camera stops moving in sequence. Old color values from objects that have moved seem to still affect pixels they should not.  ...

IOS project builded with Metal 2.1 and launched from Xcode will cause crash

FPhysicsInterface_PhysX::LineTrace_Geom fails for welded bodies

FPhysicsInterface_PhysX::LineTrace_Geom does not properly respond to welded child bodies. ...

ApplicationReceivedScreenOrientationChangedNotificationDelegate does NOT work properly on Android

ApplicationReceivedScreenOrientationChangedNotificationDelegate supports iOS but not Android. Probably, Java_com_epicgames_ue4_GameActivity_nativeOnConfigurationChanged should be useful for fix thi ...

SteamVR crash with DirectX 12

SteamVR will crash with dx12 enabled. You may need to attempt to teleport or open the console for the crash to occur. Also confirmed in MAIN 4.24 CL 7713732 ...

Blueprint Actors do not respect Rotate to Surface Normal Rules; in Editor's Viewport Snapping Options

Blueprint Actors do not respect Rotate to Surface Normal Rules; in Editor's Viewport Snapping Options The surface normal rotation handling comes from UActorFactory, and in all the cases where items ...

SetAnimRootMotionTranslationScale Is not exposed to Blueprints

The SetAnimRootMotionTranslationScale in Character.h is not callable by blueprints. ...

OnRep_Controller is not called when Controller is set in AController::OnRep_Pawn()

We don't call OnRep_Controller after it's set to null in AController::OnRep_Pawn, so overridden implementations won't get called. While it's a little weird to call OnReps explicitly on the client o ...

FLODUtilities::RegenerateLOD does not account for disabled cloth sections getting stripped

When FLODUtilities::RegenerateLOD retrieves the ClothBindings, it does not account for disabled cloth sections getting stripped and can connect the Cloth Data to the wrong sections. See FillCloth ...