Second controller does not receive input if connected after editor launches

UE - Editor - UI Systems - Slate - Jan 25, 2017

If the editor is launched and PIE is started with no controllers attached, attached two controllers with allow Player1 to receive input from the first controller but Player2 does not receive input f ...

FObjectReplicator::ValidateAgainstState may validate against the wrong buffers

UE - Networking - Oct 22, 2018

In 4.14, changes were introduced to share replicated state between objects on the server (Shadow State) this was done to allow sharing property comparisons to determine when objects needed to replic ...

FBatchedElements::Draw - OrthoZoomFactor can be reset to 1.0f if Line.bScreenSpace is ever false

UE - Graphics Features - Feb 20, 2017

A licensee has reported that the Draw function in BatchedElements.cpp can set the OrthoZoomFactor (not a local variable) to 1.0f if Line.bScreenSpace is ever found to be false. The line this can oc ...

Compile failure adding C++ Vehicle or VehicleAdvanced pack to a project

UE - Gameplay - Jan 11, 2017

Adding the C++ Vehicle feature pack to a project fails to compile with the following error:CompilerResultsLog: Info Error: Couldn't find parent type for 'TP_VehiclePawn' named 'AWheeledVehicle' in c ...

Parent blueprint not added to nativization array if only child saved

UE - Gameplay - Blueprint Runtime - Jan 25, 2017

Currently parent blueprints are added to the list of blueprints to nativize if their children are flagged to be nativized only if they are also individually saved. Ideally, we'd update the list of ...

VR Splash screen and Async Load issue

UE - Platform - XR - Apr 10, 2017

We encountered this problem too after upgrading to 4.15. It's caused by a timing problem when showing/hiding the async loading splash screen, so we only found it when loading maps in standalone that ...

D3D Device Lost 'HUNG' crash in FD3D11Viewport::PresentChecked

UE - Graphics Features - Oct 31, 2016

This is a new D3D crash affecting multiple users in 4.14 Preview 1. It is currently the #1 crash in the Preview. Information provided by users:Just pressed create project...Openning QA Game with - ...

Hot reload does not update Enum entries

UE - Gameplay - Blueprint - Oct 13, 2015

Performing a hot reload after updating an Enum will not reflect the update until the editor is closed/reopened. UPDATE (8/23/17): Restarting the editor dose not immediately update the enum. When ...

Playing sequences in reverse snaps after sequence has first ran

UE - Anim - Sequencer - Dec 29, 2016

I first came across this bug when I was working with Actor Sequences and noticed that the door I had opening would snap back when I tried to close it. Later I discovered that the issue was with play ...

USkinnedMeshComponent::FindClosestBone does not respect bRequirePhysicsAsset parameter

OLD - Anim - Mar 20, 2017

A licensee has reported that the USkinnedMeshComponent::FindClosestBone function does not respect the bRequiresPhysicsAsset parameter, resulting in the bone returning bones that are not part of the ...