User defined struct array resets to defaults in blueprint after updating the struct

UE - Gameplay - Blueprint - Sep 9, 2016

If a blueprint contains an array of a User defined struct type, Adding a variable to the struct or changing the default values of the struct cause the associated blueprint to become dirty. Compilin ...

Create Event dropdown menu disappears after reroute node added to event wire

UE - Gameplay - Blueprint - Sep 16, 2016

The Create Event dropdown context menu disappears after a reroute node is added to event wire. First the node depopulates, then after attempting to repopulate the context menu it removes itself from ...

Slate Remote Enable Remove Server option in Project Settings -> Plugins causes editor to freeze and a memory leak

UE - Foundation - Cpp Tools - Plugin System - Sep 13, 2016

If a user enables Remove Server in Slate Remote plugin in project settings, the editor will become unresponsive and memory usage will continually climb. Regression: Working in 3039270 (4.12.5 rele ...

Build Warning when HotReloading - LogUObjectGlobals:Warning: Guid is already used by

UE - Gameplay - Blueprint - Sep 12, 2016

Changing class code causes class instance placed in the viewport to produce the warning message shown below upon hot reload. Also reported that callstack occurs but does not crash the editor. The ...

AI Character Twitching Severely When Moving To Vector Set on Tick

UE - AI - Sep 13, 2016

When setting a vector key on tick, and using a dynamic Nav Mesh, the AI Character exhibits severe twitching, and even occasionally gets stuck. This does not occur when the Nav Mesh is set to Stati ...

Migration from 4.12.5 to 4.13 can result in Blueprint functions losing input/ouput variables

UE - Gameplay - Blueprint - Sep 5, 2016

When migrating project from 4.12.5 to 4.13, Blueprint functions can lose input/output variable links. ...

animations played on server skip every second frame

UE - Networking - Jul 24, 2015

Animations played on server skip every second frame. *See attached image. ...

Collision is not updated on Slave Meshes when using "Set Master Pose Component"

OLD - Anim - Feb 17, 2016

Collision pose is not updated on Slave Meshes when using "Set Master Pose Component". This occurs with both Physics assets and Per-Poly collision This severely effects anybody making characters ou ...

POM material triggers Video Driver Crash

UE - Graphics Features - Apr 26, 2016

When a POM decal material is applied to a decal actor in the scene the video driver will crash. This worked prior to 4.11.0 release. Only when the material is assigned to a decal actor will the vide ...

Get VR Focus State will cause a crash if used without a HMD device on

UE - Platform - XR - May 31, 2016

Get VR Focus State will cause a crash if used without a HMD device on ...