Incorrect native code generation when Blueprint nativization is enabled for objects instanced through the editor and assigned to an instanced object reference property on the CDO

UE - Gameplay - Blueprint - Aug 14, 2018

When converting a Blueprint class to native C++ code, we're not currently distinguishing between an instanced default subobject assigned to an instanced object reference property within the CDO that ...

Scene Capture 2D Doesn't Capture 3D Widget If It Is Off Sceen and Capture Every Frame Is Disabled

UE - Graphics Features - Aug 14, 2018

The scene capture 2d doesn't capture a 3d widget if it starts off screen with capture every frame disabled. Found in 4.15 CL# 3450819, 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4275031 May be r ...

Lit Translucency Receiving Shadows with Forward Shading Enabled

UE - Graphics Features - Aug 13, 2018

When forward shading is enabled, particles that have materials with their lighting mode set to "VolumetricNonDirectional" will recieve shadows. Attached images provided by user. Found in 4.19 CL# ...

Projects without PhysX not compiling

UE - Simulation - Physics - Aug 13, 2018

Compiling without "WITH_PHYSX" leads to compile errors. https://udn.unrealengine.com/questions/450489/projects-without-physx-not-compiling.html Projects without PhysX (WITH_PHYSX disabled) will not ...

[Landscape] returns Incorrect Physical Material

UE - Simulation - Physics - Aug 13, 2018

Doing a line trace on a landscape does not return the correct physical material unless "Generate Overlap Events" was enabled after changing the physical material. If the physical material on the lan ...

Assertion failed in FAudioDevice::UnregisterSoundClass when GC

UE - Audio - Aug 13, 2018

The licensee reported that check(IsInAudioThread()) was failed in FAudioDevice::UnregisterSoundClass when GC. The following is the call stack: 1 #00 pc 030d7b58 libUE4.so HandleError (/home/pirates ...

[CrashReport] UE4Editor_UnrealEd!UEditorBrushBuilder::EndBrush() [editorbrushbuilder.cpp:53]

Tools - Aug 10, 2018

No user comments in crash group 48 bool UEditorBrushBuilder::EndBrush( UWorld* InWorld, ABrush* InBrush ) 49 { 50 //!!validate 51 check( InWorld != nullptr ); ...

Skylight Intensity Doesn't Behave The Same in OpenGL as with DirectX

UE - Graphics Features - Aug 10, 2018

Skylights in OpenGL will not behave hte same as it does in DirectX and will be incredibly bright. Images of the issue are also in the attached project folder. Working as intended in 4.19 CL# 403378 ...

Local notifications do not appear on Android SDK 26

UE - Platform - Mobile - Aug 9, 2018

Local notifications do not work properly on Android with SDK version 26. This is important as Google is now requiring Android SDK 26 or later for new apps. Regression?: No This occurred in 4.19.2 ...

Attempting to compile an editor plugin that spawns an instance of ACullDistanceVolume causes a linker error

UE - Gameplay - Aug 9, 2018

A linker error is encountered if an Editor plugin spawns an ACullDistanceVolume instance. This is caused by neither having ENGINE_API or MinimalAPI specified in its UCLASS macro. Regression?: No Th ...