DevelopmentServerLauncher.exe loops whenever the editor is open even if no iOS devices are connected

UE - Platform - Mobile - Apr 29, 2019

A user has reported that DeploymentServerLauncher.exe will continue to poll for devices even if no iOS devices are connected. I am under the impression that this is so that Windows can poll for iOS ...

Previewing Nav Mesh in DX12 Mode causes Editor to Crash

UE - Graphics Features - Mar 7, 2016

In UE4.11p6, previewing Nav Mesh in DX12 Mode causes Editor to crash. ...

Editor Drop Down Menus become out of place when moving across a small screen to a larger display

UE - Platform - Apple - Feb 13, 2015

In a Mac environment with where a MacBook Pro 15" retina display is used in combination with a larger 25" display "traditional resolution" the menus will drop down as expected on where the editor is ...

Collision Not Working on Dynamically Spawned Objects While Using 'Cook Blueprint Component Data for Faster Instancing at Runtime'

UE - Gameplay - Blueprint - Dec 13, 2016

Dynamically spawned objects' collision does not seem to be working in a packaged game when the Cook Blueprint Component Data for Faster Instancing at Runtime option is enabled. Found in 4.14.1. Un ...

GetCurrentPlayers() Always Returning 0

UE - Networking - Apr 14, 2017

GetCurrentPlayers() is returning 0 each time it is called, regardless of how many players are connected to the server. ...

Check inside FAssetSourceControlContextMenuState/FPerforceSourceControlProvider

UE - Editor - Workflow Systems - Oct 31, 2023

The async execution from within the context menu state is not cancelled properly when closing the context menu. This means that when rapidly opening and closing context menus there will be corruptio ...

Groom Assets do not cast shadows when the shadow casting light is close to the groom and virtual shadow maps are in use

UE - Graphics Features - Mar 19, 2024

When a shadow casting light is closer to the groom than some proportional amount the groom is away from the shadow catcher, the groom's shadow will disappear. This only occurs using VSMs. Raytraced ...

Blueprints might get corrupted after inheriting multiple times.

UE - Framework - Blueprint - May 17, 2024

Blueprints might get into a corrupted state when they are inherited for a big number of times. Starting from a C++ class, if you then create a BlueprintClass from the C++ class, and keep creating ne ...

Sound Cues with Attenuation 'Override' Nodes break when Upgrading project to 4.11

UE - Audio - Apr 5, 2016

When upgrading a project to 4.11, Sound Cues placed in the level with the 'Attenuation' override node no longer playback as expected. This issue was a bit weird when testing because the user report ...

Error when Compiling an AIController Blueprint Class with an AIPerception Component

UE - AI - Aug 1, 2017

An error populated the output log when Compiling an AIController Blueprint Class with an AIPerception Component. This is not a Regression, as it Occurs in //UE4/Main. ...