Navigation obstacles remain when turning off bCanEverAffectNavigation in Blueprint actor

UE - AI - Nov 30, 2018

Editing the bCanEverAffectNavigation flag on an Actor Blueprint is propagating the value of the property to the Blueprint instance, but fails to properly update the navmesh according to the new valu ...

Rhino extrusions have high tessellation values after being imported with DataSmith

UE - Editor - Content Pipeline - Datasmith - Importer - Nov 28, 2018

When importing Rhino 'Extrusions' with Datasmith results in extremely dense meshes. A simple box can end up having thousands of vertices. This issue was reported and tested in 4.21 (4.21E0). This ...

Child actor component class does not update on the client if a class is assigned by default

UE - Gameplay - Blueprint Runtime - Nov 21, 2018

Child Actor Components class settings does not appear to replicate as expected. When the class is changed at run time, the change is not reflected on the client. Additional note: If the class is ...

Engine/Extras/MayaLiveLink not provided in install directory

OLD - Anim - Nov 19, 2018

According to the Maya Live Link documentation, the zip file should be provided in the engine installation. https://docs.unrealengine.com/en-us/Engine/Animation/Live-Link-Plugin/Connecting-Unreal-Eng ...

Vertex animation not animating on Switch

UE - Graphics Features - Nov 19, 2018

Licensee has reported their crowd animations are not working correctly. Nothing immediately obvious when I tested the project and thought it would be better to get it raised as a JIRA bug ASAP. ...

IOS 11 Freezes When Generating Particles Using SphereMask

UE - Platform - Mobile - Nov 16, 2018

When playing a particle using SphereMask, iOS 11 device terminal freezes.This issue is not a crash, it's screen freeze. Reproduced deviceiphoneX :iOS 11.4.1iphone7 :iOS 11.4.1 Not reproduced devic ...

Force Feedback appears to run in the background on some android devices

UE - Platform - Mobile - Nov 15, 2018

When forcing the app to the background the force feedback will continue on some android devices. This was reproduced on the samsung nexus 5 by clicking the home button while running force feedback i ...

The Mirror option in the Physics Asset editor is not accurate

UE - Simulation - Physics - Nov 13, 2018

The Mirror option in the Physics Asset editor is not accurate at mirroring the bodies. The position and rotation is always skewed. Regression? No This occurs in 4.20 ...

Skeletal Mesh rigid body simulation is not being updated with correct bones locations right after Skeletal Mesh is spawned

UE - Simulation - Physics - Nov 5, 2018

When simulating in Editor, the Skeletal Mesh bone locations are not being passed into simulate if the simulation is being toggled the same frame when the Mesh is being set on a Skeletal Mesh compone ...

Packaging/launching 2D Side Scroller template for HTML5 results in Black Screen on browsers

UE - Platform - Mobile - Oct 30, 2018

Packaging or Launching the 2D Side Scroller template without making any edits results in issues that differ by browser. Firefox : A black screen appears (see screenshot) Chrome : 1/4th of the scre ...