Adding variables to a struct clears struct arrays used in blueprints

UE - Gameplay - Blueprint - Nov 4, 2016

Adding variables to a struct clears struct arrays used in blueprints. Regression (yes) issue (does not) occur in 4.12.5 ...

Physics assets in blueprint react differently in sublevels

UE - Gameplay - Dec 16, 2015

Physics assets within a blueprint react improperly when placed in a sublevel. This error can clearly be seen within a user's youtube video located here: [Link Removed] Note: The fan asset attac ...

UMG Widgets using User Interface Material Domain do not render on Android Devices

UE - Platform - Mobile - Jan 19, 2016

When using a Blueprint Widget that has an image using a material in the User Interface Material Domain will not render when it's a newly created project in 4.11. However, if you were to copy a proje ...

Dedicated Server crashes when client connects in particular circumstances

UE - Networking - Jun 9, 2016

Running a dedicated server with the setup in this fairly simply project causes a crash when a client connects. I'm unaware of the actual cause but getting the reproduction was all I could do. Logs ...

Duplicating a Function Containing Add Child Actor Component Causes Changes Made to the Duplicate to be Saved to the Original

UE - Gameplay - Blueprint - Nov 9, 2015

When you create a function containing an Add Child Actor Component node, duplicate that function, and then change the Child Actor Class option in the duplicate, the changes are also saved to the ori ...

Setting location of Child Actor inside of OnConstruct causes the ChildActor to leave behind non-referenced instances

UE - Gameplay - Feb 10, 2016

If the ChildActorComponent on a mesh is attached to a component and then has its location set in the OnConstruct function, it'll leave behind non-referenced instances of itself. This is most apparen ...

Timeline tracks can be given the same name as existing execution inputs, and renaming them and compiling will cause a crash

UE - Gameplay - Blueprint - Jan 13, 2015

Timeline tracks can be given the same name as existing execution inputs, which causes some unusual behavior when dragging off the pin. Renaming them will rename the execution pin instead, and compil ...

The AngularLimit visualizer isn't displayed as expected when adjusting the AngularRotationOffset

UE - Simulation - Physics - Dec 9, 2016

The AngularLimit visualizer isn't displayed as expected when adjusting the AngularRotationOffset. You can manually rotate the PhysicsConstraint and it will rotate the AngularLimit visualizer, howe ...

Crash when using Mesh Reduction on ScotsPine_01 for LOD3

UE - Graphics Features - Jan 30, 2017

A crash occurs when trying to use the Mesh Reduction tool for the ScotsPine_01 static mesh from the Open World Demo collection. The assets from this project are usually very processor heavy due to ...

Using the Replace References Tool on Foliage Types producing Unexpected Results

Tools - Apr 6, 2017

A licensee is reporting some unexpected behavior when attempting to replace references on Foliage Types already painted in the world. What happens after the references have been replaced, are the n ...