Blackboard Key Values Persisting Between PIE Sessions

UE - AI - Apr 21, 2017

Values set on Blackboard Keys are persisting after stopping and starting a new PIE session. Restarting the editor sets these values back to NULL. ...

Compile failure packaging for Linux in arm-unknown-linux-gnueabihf from Windows

Tools - Apr 20, 2017

Packaging for Linux is failing when setting the TargetArchitecture=ArmUnknownLinuxGnueabihf in the DefaultEngine.iniUATHelper: Packaging (Linux): UnrealBuildTool: C:\LinuxXC_ToolChain\v9_clang-4.0.0 ...

BP - Nativization will fail at cook time if a BP class and a User-Defined Structure reference each other.

UE - Gameplay - Blueprint - Apr 20, 2017

Note: This happens with "Exclusive" nativization mode as well. This occurs because the nativized UDS 'GetDefaultValue()' method is generated into a .h file rather than a .cpp file. This creates a c ...

BP - Exclusive nativization will fail at cook time if a BP class includes a ChildActorComponent with a Data-Only BP set as the ChildActor class.

UE - Gameplay - Blueprint - Apr 20, 2017

Note: This does not occur when the nativization mode is set to "Inclusive" in the Project settings. Current workaround: Ensure that the ChildActor class is NOT a data-only Blueprint, by adding scri ...

Drag and drop to replace animation only works on certain samples in Blendspace

OLD - Anim - Apr 20, 2017

In a blend graph, the user can only use drag and drop to replace certain samples. ...

BP - Nativized build will crash at runtime if a BP class enabled for nativization includes a ChildActorComponent with a BP not enabled for nativization set as the ChildActor class.

UE - Gameplay - Blueprint - Apr 20, 2017

Note: The same crash will occur if the nativization mode is set to "Inclusive" in the Project settings and if the ChildActor BP class is a data-only Blueprint (i.e. has no script or member variables ...

Match3 - Startup video does not play but audio can be heard

UE - Platform - Mobile - Apr 20, 2017

The audio can be heard for the opening splash but the video can not be seen. In Binary 4.15.2 neither video or audio play. ...

Crash running Cloth functional tests

UE - Simulation - Physics - Character - Apr 20, 2017

Crash occurs when running the Cloth functional test map. ...

Saving SubLevel Using Levels Tab Destroys Map Build Data Registry

Tools - Apr 20, 2017

When a Sub Level is currently open (meaning it is listed as the persistent level in the levels window) and you save the level using the levels window the map build data registry will get destroyed. ...

Compile error building UE4 Solution "Cannot open include file: 'maya/MObject.h': No such file or directory"

OLD - Anim - Apr 19, 2017

Compile failure building the MayaLiveLinkPlugin project in the UE4 solution. Not a regression as this project did not exist in 4.15 ...