While a Custom Event's delegate pin is connected to anything its details are not visible in the Details panel

Gameplay - Blueprint - Oct 27, 2015

While a Custom Event's delegate pin is connected to anything its details are not visible in the Details panel. Tested with an empty reroute node as noted below as well as a Set Timer node. Reproduc ...

Building the Engine using Visual Studio 2015 can fail if Windows Driver Kit is installed.

DevTools - UnrealBuildTool - Oct 26, 2015

There is a possible logic bug in Visual Studio 2015's vcvarsqueryregistry.bat where it locates the include path for the Universal CRT by looking at the last folder in the specified location. This se ...

Cannot Create a New Project if Windows Username Contains a Special Character

Tools - Oct 26, 2015

If you have a windows username with a special character (in this case, it was ^), the launcher will not allow you to create a new project, and a warning appears indicating that the path cannot conta ...

Using Fixed Frame Rate Increases the Speed of Auto Save

Core - Oct 26, 2015

Using a lower fixed frame rate (i.e. 20fps) causes the auto save timer (when set to the default of 10) to count down in 3 seconds. Found in 4.10 Preview 2 CL 2733139. Reproduced in 4.9.2 binary an ...

If 'Enable Physics Interaction' is disabled, the player can still interact with physics objects

Gameplay - Oct 22, 2015

If 'Enable Physics Interaction' is disabled, the player can still interact with physics objects User Description: I have a Bus Vehicle with custom physics (skeletal mesh). So I can walk through th ...

Translucent Surface Material and Additive Particles not rendering on Metal in Shipping/Distribution

Platform - Mobile - Oct 22, 2015

Certain Translucent Materials with Surface Lighting Models and Additive Material based Particle Systems will not render in Shipping/Distribution configuration using Metal Rendering on an iPhone 6*. ...

Naming an Event Dispatcher the Same as an Overridable Function Corrupts the Event Dispatcher

Gameplay - Blueprint - Oct 21, 2015

Creating an event dispatcher in a widget blueprint with the name OnDrop, which is already an existing overridable function, causes the event dispatcher to become corrupted and prevents it from being ...

Find-in-Blueprints fails to collect implemented interface graphs

Gameplay - Blueprint - Oct 21, 2015

Find-in-Blueprints completely misses implemented interface graphs due to how they are stored within the UBlueprint. This results in the graphs being unsearchable (all nodes and pins, possibly sub-gr ...

There is a possible code mistake in UPrimitiveComponent::GetCollisionShape.

Gameplay - Oct 21, 2015

A user pointed out a possible mistake in the Engine source code. In the GetCollisionShape function in the UPrimitiveComponent class, an FVector variable Extent is created and set, and then potential ...

Actors attached to a Child Actor Component do not replicate movement on the Client

Networking - Oct 20, 2015

Actors attached to a Child Actor Component do not replicate movement on the Client. User's test project attached. Reproduced in 4.9.2 binary and Main (CL 2735029) ...