Combo box does not function in packaged build

UE - Editor - UI Systems - May 10, 2017

The ComboBox (string) element for UMG is not correctly displaying, The array options do not appear and can not be selected, for the packaged build, while PIE behaves as expected. Regression: This ...

Editor Crash on Mac after creating blueprint structure

UE - Gameplay - Blueprint - May 10, 2017

Creating a blueprint structure in the content browser causes the editor to lock up and become unresponsive. ...

Linux: async loading code crashes when memory pooling is enabled

UE - Platform - Linux - May 9, 2017

The reasons is a bad interaction between FIND_MEMORY_STOMPS code in AsyncLoading.cpp and memory pooling. Async loading will set PrecacheBuffer to read/only and will never reset it back, expecting ...

Contains node for array allows different Reference with no error thrown

UE - Gameplay - Blueprint - May 9, 2017

When using the contain node for an array there is a delay is getting a proper warning to show under certain conditions. This issue occurs when a pin for the bottom is connected before the array is. ...

Color Picker No longer Retains Hex Values

Tools - May 9, 2017

The color picker doesn't remember values pasted or entered into the Hex Linear or Hex SRGB field. ...

Spatialization is inaccurate on iOS/tvOS

UE - Audio - May 9, 2017

Also occurs in 4.16 Tested on iPhone6S+_4982 OS: 10.2.1 and tvOS 10.2 ...

ShadowProject gpu performance regression from Aftermath

UE - Graphics Features - May 9, 2017

The issue was originally noticed between 4.15.1 and 4.16 Preview, but now appears to have regressed between 4.15.1 and 4.15.2. ...

Blueprint fails to compile when broken struct pin of Get Class Defaults is used

UE - Gameplay - Blueprint - May 8, 2017

When the Get Class Defaults node contains a struct pin, breaking the struct causes the resulting pin to read "StructName_StructVarName". This causes the blueprint to fail to compile if the pin is u ...

Projects crash when launching onto Firefox 64-bit

UE - Platform - Mobile - May 8, 2017

QAGame crashes when it launched onto Firefox. The following exception occurs with the error message:*Expression (0) failed in D:\UE4_Dev-Rendering\Engine\Source\Runtime\Core\Private\Async\TaskGraph ...

Packaging for ARM 32 bit fails during build phase with libopenvr_api.so: file not recognized

Tools - May 8, 2017

This is the ouput in the UnrealBuildTool log:[301/301] Link ThirdPersonServer D:/GitHub-Release-4.16/3427662/Engine/Source/ThirdParty/OpenVR/OpenVRv1_0_6/lib/linux64/libopenvr_api.so: file not reco ...