Landscape Components No Longer Editable after Undoing Component Deletion

UE - LD & Modeling - Terrain - Landscape - Oct 20, 2015

When working in Manage Mode with Landscapes and deleting a component, if you undo the deletion, you can no longer modify or select the component. I did attempt to rebuild the scenes lighting and ge ...

PhysX Crash when Spawning Destructible Meshes at Runtime

UE - Simulation - Physics - Jul 17, 2015

I was only able to reproduce this issue after receiving the user's project. The project he provided crashes when I follow his directions, but after looking at the blueprints involved in the crash r ...

'Used with Landscape' missing in Details panel within Usage section of Material Editor

UE - Rendering Architecture - Materials - Aug 29, 2016

The 'Used with Landscape' option no longer appears/exists within the Material Editor under the Usage section. ...

Imported animation has one more frame than the original fbx

OLD - Anim - Jul 19, 2016

In UE4.12, imported animation has one more frame than the expected frame number. AS_AN_StepAnim_Test.fbx is 60 frame long animation(starts at frame 0, ends at frame 60). When imported to UE4.12, it ...

User Defined Struct Editor Hides Long Variable Lists

Tools - Nov 14, 2016

It is possible to add so many variables or array variable elements that the bottom of the list is not visible, and there are no scroll bars. ...

Loading Pak Files from Third Party into Project producing Texture Artifacts

UE - Foundation - Core - Cooker - Sep 2, 2016

Calling an object from the mounted pak file, textures on objects appear wrong, and the texture from the Engine defaults gets assigned. This happens with all objects on the screen including meshes, b ...

Setting the r.ScreenPercentageTranslucency Variable below 100 causes Texture Swimming

UE - Graphics Features - May 3, 2016

When setting the 'r.SeparateTranslucencyScreenPercentage' variable to any value other than 100, UV world space textures begin to swim. In the example project attached, I created a simple translucent ...

Changes in Blueprint Properties not Updated in placed Instance

UE - Gameplay - Blueprint - May 16, 2016

When changing some properties in a Blueprint, the changes are not reflected in placed instances of the Blueprint. I've included repro steps from the licensee who reported this. I verified these step ...

Using SetAllBodiesBelowSimulatePhysics causes the simulating bones to ignore constraints and collision between bodies

UE - Simulation - Physics - Oct 2, 2015

When using SetAllBodiesBelowSimulatePhysics to simulate physics for multiple bones, all of those bones ignore constraints and collision between other bodies on the same skeleton. ...

Child components that are simulating physics are not moved along with the parent when the parent is moved by AddActorWorldOffset

UE - Simulation - Physics - Jun 18, 2015

If a blueprint has a child component that is simulating physics, that child component will not follow it's parent or make any movement if the parent is moved via AddActorWorldOffset. ...