Initializing custom Component on Actor in constructor causes odd hierarchy and details panel issues

UE - Gameplay - Blueprint - Feb 19, 2019

When testing with a simple setup, as follows: MySceneComponent has a UProperty(VisibleAnywhere, BlueprintReadOnly) of a USphereComponent pointer, initiated in the Constructor AMyActor has a UProper ...

Confusing build error message provided when semi-colon is not added after a forward declaration in an Interface header file

UE - Foundation - Cpp Tools - UnrealHeaderTool - Feb 15, 2019

If a forward declaration of a class is made in the header file for an Interface class, and no semi-colon is included at the end of the forward declaration line, the build will fail with a confusing ...

Input Axis Mapped to 'Pinch' no longer sends Axis Value

UE - Platform - Mobile - Feb 15, 2019

Axis Event mapped to pinch no longer returns values. Working in 4.19 Confirmed on Android + iOS  Confirmed in MAIN 4.23 @ CL 4961509 ...

ISM is not transformable in standalone if mesh distance fields are generated

UE - Graphics Features - Feb 15, 2019

Instanced static mesh is not transforming when running in standalone or a packaged project. The collision of the mesh will scale but not its visual. ...

AttachToComponent replication snapping to position instead of keeping relative location

UE - Networking - Feb 15, 2019

When using AttachToComponent at runtime, the attachment does not replicate properly for some clients. The relative transform/rotation is not maintained. The user who reported this issue mentioned th ...

[CrashReport] UE4Editor-Core!FDebug::CheckVerifyFailedImpl(char const *,char const *,int,wchar_t const *,...) [AssertionMacros.cpp:418]

UE - Rendering Architecture - RHI - Feb 15, 2019

Two comments from users:Running in -dx12 mode to test raytracinglaunching editor Generated from CrashReporter ...

Daydream "Quit Game" node returns to homescreen of device instead of Daydream VR home

UE - Platform - XR - Feb 14, 2019

Google App store rejects UE4 apps with the response: "App switches to a 2-dimensional view unexpectedly When in VR, your app should never display any 2D images. For more information and examples, p ...

User Defined Struct causing crash due to accessing freed memory when using Stompmalloc

UE - Gameplay - Feb 14, 2019

A licensee has reported that Custom Structs can cause a crash when using StompMalloc under certain situations. Regression?: No This occurs in 4.20 ...

Volumetric Lightmaps do not work with Landscape texture mapping

UE - Graphics Features - Feb 13, 2019

It appears that the Lightmass Volumetric Lightmap does not work with Landscape textures. When it samples the Landscape with some textured material, the resulting lighting build data does not match t ...

Hot reload can no longer be performed after adding an empty class to a Blueprint-only project

UE - Foundation - Core - Feb 7, 2019

Adding an empty code class to a Blueprint-only project prevents the project from being able to perform any hot reloads. When clicking the Compile button in the Editor, a warning is added to the log ...