Crash from pausing an UMG animation using the event track

UE - Anim - Sequencer - Jun 27, 2017

When pausing a widget animation by using an event using the event track to pause the animation the editor crashes when you play the animation via PIE or standalone. Tested in 4.15.3 - CL 3450819 4. ...

shadow seam occurs when lighting is built after object is rotated

UE - Graphics Features - Jul 12, 2017

There is an issue that is occurring where visible shadow seams appear after an object is rotated where it was not previously. CL tested 4.15.3 - CL 3450819 - Issue is present 4.16.2 - CL 3514769 - ...

Unable to use wrap with or replace with for widget components that are children of an expandable area component

UE - Editor - UI Systems - Sep 29, 2017

With the expandable area widget component, you are unable to use the wrap with or replace with for widget components. This issue does not appear to be a regression. Versions Tested: Issue occurs in ...

Materials on deleted children are applied to camera

UE - Gameplay - Blueprint Editor - Nov 28, 2017

Materials on deleted children are applied to the camera when inside of an actor blueprint. This issue does not appear to be a regression. Versions Tested: Issue occurs in all versions Tested 4.16.3 ...

Enable Per Poly Collision setting in skeletal mesh doesn't apply when adding mesh to level

OLD - Anim - Nov 30, 2017

On a skeletal mesh, there is a setting under the Asset Details for "Enable Per Poly Collision". This check box can be checked, but the setting is not kept when the skeletal mesh is added to the leve ...

Reroute Node Breaks Link in Material Editor When Used with Material Function

UE - Rendering Architecture - Materials - Nov 30, 2017

Adding a reroute node in the material editor between a texture object and a material function breaks the link and the texture object is no longer applied. Adding a reroute node into a spline that d ...

Cannot undo moving a mesh via Pilot

Tools - Jan 2, 2018

There is an issue where the undo does not affect movement made by piloting an object in a level. This issue does not appear to be a regression. Versions Tested: This issue occurs in all versions te ...

Flickering with foliage occurs when setting the world origin point

UE - World Creation - Worldbuilding Tools - Foliage - Dec 28, 2017

There is an issue with flickering with foliage that occurs when setting the world origin point. This issue does not appear to be a regression. Versions Tested: Issue occurs in all versions tested 4 ...

Unimplemented Simplygon function causes empty mesh LODs and crashes

Tools - Aug 31, 2018

When we do the refactor for MeshDescription we miss the staticmesh reduction project settings option and change only the quadric reduction. There are two possible fixes for this issue: 1. Implemen ...

Mobile VR - Render Targets not working with Mobile Multi-View

UE - Platform - XR - Jun 6, 2019

Render target materials display as black on mobile VR when Mobile Multi-View is enabled. Also confirmed with LDR capture source. User also reports issues with scene depth (potentially fixed with [ ...