Crash When Trying to Draw a Material to a Render Target where Source Material is using AlphaComposite + Unlit Mode

UE - Graphics Features - Feb 22, 2017

The issue occurs when trying to Draw a Material to a Render Target where the source material is using AlphaComposite + Unlit mode. This is an attempt at the solution proposed by Ryan Brucks to allow ...

Updated HISMCs occasionally flicker for one frame

UE - World Creation - Worldbuilding Tools - Foliage - Aug 27, 2015

Updated HISMCs occasionally flicker for one frame on some machines. User reports an AMD 7950 and I see it on an AMD 7970. Occurs only in packaged builds. ...

Mouse Up Detection lost inside Scrollbox when dragging

UE - Editor - UI Systems - Feb 28, 2017

Mouse Up Detection lost inside Scrollbox when dragging and releasing inside. This issue occurs when trying to detect on mouse up for a scroll box Regression: This issue also occurs in 4.14.3 ...

Crash after clearing the animation from a sample point in a 1D Blendspace

OLD - Anim - Mar 8, 2017

Regression: YES, sort of. The ability to change the animation from a dropdown didn't exist in 4.14 Error message: Fatal error: [Link Removed] [Line: 160] Ran out of memory allocating 51539607528 ...

BlueprintNativeEvents are not overridden correctly with multiple levels of inheritance

UE - Gameplay - Blueprint - Mar 9, 2017

When overriding a BlueprintNativeFunction in a child class, if the inheritance is multiple levels deep, the override does not work correctly. As shown in the reproduction steps, this the example to ...

UAT: -map is overloaded in BuildCookRun

UE - Foundation - Cpp Tools - Automation Tool - Mar 9, 2017

-map is consumed by both cook and run for different things, which is confusing and means the help information is misleading ...

UAT: help text for -RunTimeoutSeconds is misleading

UE - Foundation - Cpp Tools - Automation Tool - Mar 9, 2017

It's unclear what/who is waiting and what is supposed to happen when the timeout triggers. Also, this is only implemented on Android. ...

No Implementation of Constructor in FNetBitReader

UE - Networking - Mar 13, 2017

It seems that in CoreNet.h, there are two constructors declared. However, only the first constructor is defined in CoreNet.cpp. If you look in CoreNet.h, you'll notice that FNetBitReader( int64 In ...

Editor Crash when custom Enum is used as Set or Map container type

UE - Foundation - Core - Mar 14, 2017

Making a blueprint variable a container (a Set or a Map with the Variable's "Pin Type" set to a custom Enum) and restarting the editor causes the editor to crash when opening the blueprint. Note: O ...

Nested Spline Components cannot be edited

Tools - Mar 14, 2017

When a spline component is created in a class/blueprint (child) that is used as a component for another class/blueprint (parent), the spline component cannot be edited from the parent class instance ...