Adding a lot of components to an actor can cause the editor to hang

UE - Gameplay - Blueprint - Sep 10, 2015

If the user adds around 400 components to an actor the editor will freeze up and quick responding. ...

[CrashReport] Crash related to lack of disk space - FShaderCompileThreadRunnable::WriteNewTasks()

UE - Rendering Architecture - RHI - Sep 10, 2015

Sent in the unattended mode4.9- In this crash I was trying to do a LOD only build. Originally it was a full build but after four crashes that way I clicked just LOD to see if it would work on its? own ...

Adjusting Agent Radius in RecastNavMesh causes AI to not move

UE - AI - Sep 9, 2015

Adjusting the RecatNavMesh in a map can cause the AI to not move when simulating or playing in viewport. Setting it back to the default value does not fix the issue. I can only reproduce this with ...

Client Characters that slide past the Server Character while on top of a Movable Actor can become de-synchronized from their Server counterpart

UE - Networking - Sep 9, 2015

Client Characters that slide past the Server Character while on top of a Movable Actor can become de-synchronized from their Server counterpart. Does not occur on top of Static Actors. Hard to expl ...

ShowdownVRDemo will not View Detail Lighting or Reflection Mode

UE - Graphics Features - Sep 9, 2015

After opening the ShowdownVRDemo project and changing the view mode to either Detail or Reflection the view doesn't change. It still shows the image as if in Lit Mode. ...

Lights placed in a Layer that are hidden will not be visible in PIE

Tools - Sep 9, 2015

Placing any lights in a Layer and marking as hidden will not render when PIE. Layers should only be editor only, even if marked as hidden. Also test in MAIN CL-2685425 where this is showing the sa ...

Passing array from blueprint to C++ causes performance drop

UE - Gameplay - Blueprint - Sep 8, 2015

Passing a blueprint array as an argument to a C++ function causes a spike in Frame rate, game and GPU. This spike is noticeable when using UnitGraph. Attached screenshots show difference in UnitGr ...

Disabling Leap Motion and packaging a game causes an error

UE - Foundation - Cpp Tools - Plugin System - Sep 8, 2015

Disabling Leap Motion plugin from your game and packaging it causes an error to occur. This also occurs on: 4.10.0-2680506 ...

Creating a new level in content browser does not give user option of default/empty level

Tools - Sep 8, 2015

Creating a new level in the content browser does not give user the choice of a default or empty level. ...

Major artifacting in FP Template with Skylight in ES31 Deferred

UE - Platform - Mobile - Sep 4, 2015

When the First Person Template is deployed to a Nexus 9 using ES31, there is an extreme magenta color over the screen. Disabling post process reduces the bloom, but there is still major color artif ...