A crash can occur when multiple Actors are spawned/destroyed simultaneously with each one loading an asset.

UE - Foundation - Core - Jan 6, 2017

A crash can occur if multiple Actors are spawned/destroyed simultaneously, with each Actor loading an asset when it is spawned. This does not occur 100% of the time, but it does occur quite frequent ...

FBX exported from editor imports to Blender at 25fps

Tools - Jan 6, 2017

FBX exported from editor imports to Blender at 25fps. Maya and Max do not appear to take their frame rate from the fbx itself, but set by the scene itself. ...

Multiple Materials not assigned to Mesh on Import

UE - Editor - Content Pipeline - Import and Export - Jan 6, 2017

Not all material elements are created and assigned to the static mesh using multiple materials. With the attached mesh, only the first element is created and the other two are left non-existent. I c ...

Crash when using stereo on command in shipping build

UE - Platform - XR - Jan 6, 2017

Crash when using stereo on command in shipping build. The game crashes when the stereo on command is called via an Execute Console Command node. ...

Crash on Device when Deploying Mobile Project with Modulated Shadows and Planar Reflections on iOS 9

UE - Platform - Mobile - Jan 6, 2017

A crash occurs on iOS when deploying the licensee's project using iOS 9 version. The crash does not occur when deployed to a device using iOS 10 version. They believe the crash to be related to Pl ...

Crash when Taking Screenshots with Ansel Plugin using Certain Capture Types

UE - Graphics Features - Jan 5, 2017

A crash occurs when using the Ansel screen capture plugin. Some of the crashes are actually silent crashes and the editor becomes unresponsive, but does not produce a Crash Report Dialog window. Ot ...

Cannot change the Strength value on a Physics Constraint in the Viewport Details panel

UE - Simulation - Physics - Jan 5, 2017

Cannot change the Strength value on a Physics Constraint to anything other than the default value in the Viewport Details panel. When changed the editor will pause and replace the value with — This ...

Physics isn't disabled on Destructible when Simulate Physics is set to Disabled

UE - Simulation - Physics - Destruction - Jan 5, 2017

Physics isn't disabled on Destructible when Simulate Physics is set to Disabled. The Destructible seems to only be set to sleep and will wake if the player or any other physics object touches the de ...

Cannot select keys and audio tracks at the same time

UE - Anim - Sequencer - Jan 5, 2017

Cannot select keys and audio tracks at the same time ...

Root Motion is broken in Additive Animations and causes scale issues

OLD - Anim - Jan 5, 2017

Root Motion is broken in Additive Animations. Also causes scale issues Regression: YES Worked: 3039270 (4.12.5) Broken: 3172292 (4.13.2) ...