DirectX Tesselation Crash

Rendering - Dec 12, 2017

Per UDN Licensee: I have 2 crash repro when enabling DirectX12, both linked to tesselation and still present in 4.18 stock engine and easy to reproduce. Crash 1 -Start editor with DirectX12 -Cre ...

[CrashReport] D3D device lost. (Error: 0x887A0007 - 'RESET')

Rendering - Dec 1, 2017

This is a common 4.18 crash that occurs before projects load. All cases experience the "RESET" error. Possibly just driver issues? Source Context 188 // Workaround for the fact that i ...

Child Actor Component outputs error when child class is set to empty using blutility

Gameplay - Blueprint - Nov 30, 2017

Child Actor Component outputs error when child class is set to empty using blutility I attached repro proj. ...

Packaging failed! toast does not replace the previous toast

Tools - Nov 29, 2017

Packaging failed! toast does not replace the previous toast. Users are able to click the Dismiss button for the most recent toast, but not for any others. The Show Output Log link works on all acti ...

Crash when BP_LightStage SkyLight Cubemap Resolution changed by spinning value

Rendering - Nov 28, 2017

Engine crashes when the value in the Cubemap Resolution for the SkyLight component in the BP_LightStage is changed by spinning the value. This asset is found within the Advanced_Lighting map of a B ...

Control of Camera is Lost When Piloting

Tools - Nov 16, 2017

Camera flies out of the control of the user. This is done without playing it in editor but by navigating the camera. ...

[CrashReport] UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [slateapplication.cpp:1213]

Tools - Slate - Nov 10, 2017

This is a longstanding crash that has occurred since at least 4.13. User DescriptionsI cant package. Every time I try, I get a crash and an "Unknown Error"failed to switch between game modes and af ...

[CrashReport] UE4Editor_Engine!LoadSpecialMaterial() [unrealengine.cpp:1523]

Rendering - Nov 10, 2017

This is a longstanding crash that has occurred for more than 200 users since at least 4.13. Based on user descriptions this appears to permanently corrupt a project. User DescriptionsI just turned ...

Instanced Static Mesh collision not showing in Player Collision view

Physics - Oct 20, 2017

A licensee reported that the Player Collision viewmode is not properly showing collision for Instanced Static Meshes. Is there a change they can make to display this collision as well? [Image Rem ...