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 ...

Crash on Adding Texture Samples with modified BasePassPixelShader.usf

UE - Graphics Features - Jul 27, 2015

In 4.8.2 QA Build - Making the changes to BasePassPixelShader.usf listed below, adding two texture samples and then using the Preview Arrow toggle on the add node will hard crash the CPU, requiring ...

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 ...

DoNotCreateDefaultSubobject is not recognized when an actor is duplicated

UE - Foundation - Core - Mar 17, 2017

Adding DoNotCreateDefaultSubobject to a class after placing an instance of that class in the viewport will fail to be recognized when duplicating the placed instance. This is not a hot reload issue ...

CrowdManager never calls StartUsingCustomLink() on Agents when Custom NavLinks are Placed in the Level and Traversed

UE - AI - Mar 20, 2017

StartUsingCustomLink() never gets called in the CrowdManager when an AI with a UCrowdFollowingComponent begins to traverse a NavLinkProxy that has been placed in the world. The link UserID always r ...

Root Motion does not work with Sub Anim Instances

OLD - Anim - Mar 20, 2017

Root Motion does not work with Sub Anim Instances. Note: "Root Motion from Everything" is enabled on the Sub and Top AnimBPs ...

Letter Boxing Appears In Planar Reflection Capture When "Constrain Aspect Ratio" Is Checked

UE - Graphics Features - Mar 23, 2017

When constrain aspect ratio is checked on a camera it will add black bars if the destination view has a different aspect ratio from the camera. These black bars will appear in the planar reflections ...

BeginOcclusionTests called twice in ProfileGPU report during VRPreview

UE - Platform - XR - Mar 23, 2017

When running in VRPreview and entering the 'ProfileGPU' command, 'BeginOcclusionTests' is listed twice. As the licensee mentioned, if a project uses heavy occlusion this could quickly become a cost ...

Listen Server Character Movement appears to have no Interpolation

UE - Gameplay - Player Movement - Jun 14, 2016

Listen Server Character Movement appears to have no Interpolation causing the character's movement to appear choppy ...