Creating a new C++ Synth Component results in a failed compile linker error.

UE - Audio - Dec 19, 2019

Upon creating a new Synth Component C++ Class in Unreal 4.24, the compiler will fail to compile with a Linker error. ...

Initial overlaps aren't populated by BeginPlay

UE - Gameplay - Dec 18, 2019

Get overlapping components/actors is not fully populated with initial overlaps by BeginPlay in 4.24, like they were in 4.23 ...

Sequencer evaluation can skip events due to gaps in frame number ranges

UE - Anim - Sequencer - Dec 18, 2019

Sequencer rounds when converting time ranges to frame number ranges, which can cause one frame gaps. If an event falls on that gap, it will not be triggered.  ...

BP nativization emits incorrect C++ code for noexport-typed struct field access in some cases.

UE - Gameplay - Blueprint - Dec 18, 2019

In BlueprintCompilerCppBackendUtils.cpp: #define MAP_BASE_STRUCTURE_ACCESS(x) \ BaseStructureAccessorsMap.Add(x, TEXT("#x")) Needs to be changed to: #define MAP_BASE_STRUCTURE_ACCESS(x) \ ...

ARCore - "Get Supported AR Video Formats" returns empty on Android

UE - Platform - XR - Dec 18, 2019

Get Supported AR Video Formats node only functions on iOS. (ARCore Library has similar 'Get ARCore Camera Config' node currently) Tested with iPad A1701 and Note 9 ...

Tessellation Materials are not working on Landscapes

UE - LD & Modeling - Terrain - Landscape - Dec 17, 2019

Tessellation is not working on landscapes, but it does works fine on static meshes. This is a regression from 4.23.1 (CL-9631420) where the tessellation was visible with this setup. This was tested ...

USD Stage is not available on Mac and Linux

UE - Editor - Content Pipeline - Import and Export - Dec 17, 2019

On Mac and Linux the option to open the USD Stage window is not there like it is on Windows. This is not a regression since USD Stage was not preset in 4.23.1 (CL-9631420) on any platform. ...

Morph target LOD over 0 not worrking with GPU skin

UE - Rendering Architecture - RHI - Dec 17, 2019

I do not know what happen here and I need the help of the rendering team to debug this issue. There is no log at all even with -d3debug If you import the file SK_LOD_Morph_Working.fbx its a similar ...

Action Rpg Sample Creating a new GameplayCue handler crashes the editor in 4.24

UE - Gameplay - Dec 17, 2019

In Action Rpg sample, creating a new Blueprint of type GameplayCueNotifyActor or GameplayCueNotifyStatic, results in an Engine crash. The call stack leads to a PrintF Slate warning message that woul ...