Self Reference allowed as input for function with pass by reference on creation, which will crash when executed

UE - Gameplay - Blueprint - May 22, 2017

There is an issue when using self references with functions as an input. With pass by references on a function, the input has it checked by default; however, a self reference can still be hooked in ...

Code Delegate behavior is not consistent based on where the delegate is created

UE - Gameplay - Blueprint - May 22, 2017

When a delegate is created in a component class, adding the component to a blueprint will show the delegate in the Event section of the Details panel when the component is selected. This allows an ...

Crash undoing in Montage editor with no montage sections

OLD - Anim - May 22, 2017

Crash occur in the animation montage editor when the user does an undo action with no montage sections. ...

Tilt Input node reporting incorrect values

UE - Platform - Mobile - May 22, 2017

Tilt input from the Get Input Motion State node from a player controller correctly reports tilt values, but the Tilt Input node does not. ...

NavMesh Broken Between Two Adjacent Actors With Hierarchical Instance Static Mesh Component

UE - AI - May 22, 2017

When Two adjacent actors with hierarchical instance static mesh component cross the tile bound of navmesh, navmesh is broken. In screenshot.png, above is the normal Static Meshs, bellow is the Actor ...

Building UE4Game fails during the build phase while packaging on Linux

UE - Platform - Linux - May 19, 2017

This is happening only for Blueprint template projects. After I hit the issue on the BP project, I went back and tried a Code template project as well. I was NOT able to reproduce this with a Code t ...

CLONE - ShadowProject gpu performance regression from Aftermath

UE - Graphics Features - May 19, 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. ...

CLONE - Crash on draw material to rendertarget

UE - Graphics Features - May 19, 2017

This crash has started occurring in 4.15.2. It seems to be a regression from 4.15.1. ...

CLONE - Editor Crash on Mac after creating blueprint structure

UE - Gameplay - Blueprint - May 19, 2017

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

Rotation Not Always Replicated When bUseControllerRotationYaw is Set to False

UE - Networking - May 19, 2017

Rotation does not always appear to be replicating when bUseControllerRotationYaw is set to false on the Character's class. This seems to occur 4/5 times. There are the occasional times where telep ...