Changing the directional light from stationary to movable causes the mobile preview to show dark

UE - Graphics Features - Nov 5, 2014

When Changing the Light source in the Sci Fi Hallway from stationary to movable, the room will become dark on Mobile preview. ...

Skel/Vert/Surf Module is spawning sprites at emitter origin

UE - Graphics Features - Nov 7, 2014

Even after assigning associated bones and mesh to the module, the emitter is spawning a number of sprites at the emitter origin. See Picture Attached This may be related to an earlier reported iss ...

Crashing when attempting to open a Room blueprint in a users project

UE - Gameplay - Blueprint - Jan 28, 2015

A crash is occurring in this users project when you open one of the Room Blueprints in the users project. Unable to recreate unless using the users project. Crash Reporter: [Link Removed][Link Re ...

Wireframe persists Switching from 'Quad Overdraw' to 'Stationary Light Overlap' Visualizers

Tools - Aug 22, 2016

When switching from 'Quad Overdraw' to 'Stationary Light Overlap' in the Optimizations view mode visualizers, the wireframe generated in the overdraw visualizer persists into the overlap visualizer. ...

Sounds not obeying Audio Volume Ambient Zone Settings

UE - Audio - Aug 31, 2016

Exterior Ambient Zone Settings are ignored by sounds played that are placed within the Audio Volume. As the documentation suggests, Ambient Zones define how Sound Actors located inside the associat ...

Standalone Window Size Not Displaying In Fullscreen

Tools - Jun 15, 2016

Setting the standalone window size does not seem to have any effect, and using the -fullscreen parameter does not display the window in fullscreen. Setting the Standalone Window Size to 1920x1080 a ...

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 ...

Shadow casting still considered for performance when light intensity set to 0.0

UE - Graphics Features - Sep 8, 2016

Shadow casting is still considered when the lighting intensity has been set to 0. This is a regression in performance from 4.12.5 where a lights intensity that was set to 0 would not be considered ...

AddDynamic() causing crash upon opening project

UE - Gameplay - Sep 4, 2015

Using the AddDynamic macro causes a crash upon opening the project. ...

BSP option to convert actor to another type not usable

UE - LD & Modeling - Modeling Tools - BSP - Jun 28, 2015

Convert Actor option in BSP details pane is grayed out and cannot be used. ...