Creating a Blueprint out of existing Blueprints removes all assigned Static Meshes from components

UE - Gameplay - Blueprint - Aug 11, 2015

Creating a Blueprint out of existing Blueprints removes all assigned Static Meshes from components. Reproduced in 4.8.3 binary, 4.9 Releases (//depot/UE4-Releases/4.9/Promotable-CL-2650750), and Ma ...

Painted Foliage and Landscape Grass cannot use Lighting Channels

UE - World Creation - Worldbuilding Tools - Foliage - Jul 5, 2016

Currently there is no way to set painted Foliage instances of an actor be able to use lighting channels even though these can be set to movable in their properties. Since Instanced and Hierarchica ...

IgnoreActorWhenMoving node doesn't work if the actor variable is set per instance

UE - Gameplay - Apr 30, 2015

IgnoreActorWhenMoving node doesn't work if the actor variable is set per instance. ...

Dedicated servers keep memory of last loaded map, resulting in memory leak when transitioning between maps

UE - Networking - Aug 9, 2016

As mentioned in closed bug [Link Removed], memory isn't being freed when the server changes maps. ...

Editor Preferences 'Enable Sound' option causes Real Time Audio to Stop Working after PIE

UE - Audio - Sep 28, 2016

Real Time Audio stops playing sounds after exiting PIE with the 'Enable Sound' option disabled. The tooltip states, "Whether to play sounds while in a Play in Editor session." This setting does no ...

SceneCapture2D Components when referenced on screen by UI widget will cause massive screen flickering in Standalone, Launched or Packaged Game

UE - Graphics Features - Feb 10, 2016

When a SceneCapture2D actor is added as a Component to a Blueprint actor and the Render Target is assigned to a UI component in the level, the screen flickers at a rapid pace. The effect is slightl ...

Save on Compile "On Success Only" Does not save on Successful Compiles with Warnings

UE - Gameplay - Blueprint - Aug 6, 2015

The option to save on Compile "On Success Only" does not save on successful compiles that contain warnings. If this is intended, then to avoid confusion, the tool tip should specifiy that "Blueprin ...

Cannot watch values inside of a function in blueprints

UE - Gameplay - Blueprint - Sep 8, 2015

Values are never considered in scope when a variable is watched within a custom function, even though "watch this value" is available for use. ...

Physics not reacting correctly with physical material if velocity is not high enough

UE - Simulation - Physics - Feb 3, 2015

There are issues with the way Physics is being handled with physical materials. Having a physical material setup with a restitution of 1 and a high max depenetration value will result in no bounce. ...

Setting LOD Group for Foliage wipes previous LOD data

Tools - Feb 4, 2015

If you import a mesh with LODs and assign the LOD Group for Foliage the mesh will import with all appropriate LODs. If you do not select a LOD group and after decide you want to change the LOD Grou ...