UClass::HasProperty() returns true for properties in a child class even though the comment for the function indicates it checks for the property in the current class and parents of the current class

Core - Dec 21, 2018

The comment describing UClass::HasProperty() indicates that it checks to see if a specified property exists in a class, or a parent of that class. However, when a property that exists in a child of ...

Static array based on an enum does not show the enum element names if a C-style cast is used with a space between the type being cast to and the enum

Core - Dec 21, 2018

A static array based on an enum does not display the enum names in Blueprints if the size of the static array uses an explicit C-style cast with a space between the type being cast to and the enum b ...

Cannot use "ProjectName (Debug) (ProjectName)" debug configuration in VSCode on Mac with binary Engine installation

Core - Dec 3, 2018

Attempting to debug in VSCode on a Mac using the ProjectName (Debug) (ProjectName) configuration fails due to a missing precompiled file in the binary Engine installation. REGRESSION: No. The same ...

Unreal Frontend crashes when loading a ue4stats file

Core - Nov 27, 2018

If Unreal Frontend has been built in the Development Editor configuration, attempting to open a ue4stats file in the Profiler tab results in the Unreal Frontend crashing. The crash does not occur if ...

Building UE4 solution fails in Test configuration

Core - Nov 15, 2018

Attempting to build the full UE4 solution for the Test configuration fails in 4.21. Most projects will build successfully, but a few will fail with various errors. Most of the errors appear to be re ...

The "alignas" keyword cannot be used with a USTRUCT

Core - Oct 24, 2018

The alignas keyword is not usable with a USTRUCT. It can be used with a normal struct. ...

The InsertFeaturePacksIntoINIFile() function creates an invalid entry in the DefaultGame.ini file

Core - Oct 10, 2018

The GameProjectUtils::InsertFeaturePacksIntoINIFile() function is not creating a valid entry in the DefaultGame.ini file. It is currently missing a double-quote at the end of the PackSource value fo ...

Project fails to build when the SQLite Amalgamation files are included in the project.

Core - Sep 27, 2018

In 4.20, it is no longer possible to add the SQLite Almagamation files to a project. Attempting to build a project with these files added results in the build failing due to numerous errors about pr ...

FTransform(ENoInit) ensures in Debug on mobile platforms

Core - Sep 25, 2018

As of 4.20, ENABLE_NAN_DIAGNOSTIC is now enabled in all Debug configurations. However, this does not work well with the TransformNonVectorized that is used on platforms like android. If this combina ...