On Drop appears to cause update issues with widgets that are affected On Drag Enter

UE - Editor - UI Systems - Jan 3, 2017

On Drop appears to cause update issues with widgets that are affected On Drag Enter. In this example the widget only changes colors if a delay is placed in the On Drop function. The On Drop function ...

Crash during PIE using the Spawn Actor node on EventBegin Play on Mac

UE - Platform - Apple - Feb 23, 2016

A user has reported a crash when attempting to use the 'Spawn Actor' node within his level blueprint. I was able to follow the repro steps provided in the original answerhub post and get the crash ...

Editor Crashes When Using Set Replicates in the Construction Script

UE - Networking - Mar 1, 2016

When spawning an actor using the Spawn Actor From Class node that has a Set Replicates node in the construction script, the editor crashes upon attempting to run a dedicated server with 2 players. ...

iOS 10 uses iPhone Retina iOS6 App Icon for settings icon

UE - Platform - Mobile - Sep 13, 2017

Tested on an iPhone6+ on OS: 10.3.3 I changed all of the icons to custom images and the iPhone Retina iOS6 App Icon is what was used for the Settings icon ...

Cannot softly vertex paint blend weights with a 4-node blend material

Tools - Jun 15, 2015

Video attached. If you make a 4 node blend material like so: [Image Removed] When you try to paint blend weights, the color you paint instantly jumps to the maximum value, and there's no way to p ...

Engine/Extras/MayaLiveLink Folder Not Appearing in 4.19 Installation Directories

OLD - Anim - Mar 15, 2018

In 4.19 installations, the Engine/Extras/MayaLiveLink folder is missing. This is preventing users from being able to access it. The release notes state "You can find pre-built binaries of the Maya ...

User crashes during play/save/open project in UE 4.6.1

UE - Gameplay - Blueprint - Feb 25, 2015

User reports crashing upon open, saving or playing their project in 4.6.1 in Binary. Assertion failed: TargetDelegate [Link Removed] [Line: 5407] ...

Custom iOS icons don't appear using BP projects [4.18.2]

UE - Platform - Mobile - Dec 14, 2017

So far this has been tested on Mac deploying SunTemple to an iPhone 7 (10.3.3). It occurred with both Launch On and File Package. This does not occur when deploying StrategyGame from the same Mac t ...

Crash on iOS9 when using Apple's CFNetwork library

UE - Platform - Mobile - Dec 6, 2016

Many clients have hit a crash due to an Apple library using operator delete on a memory block that was not allocated with operator new. This happens with the following callstack on iOS9 in UE4.13 o ...

World Position Offset Only Affecting the Z-Axis when applied as a Material to a Landscape

UE - LD & Modeling - Terrain - Landscape - Jul 6, 2016

When utilizing World Position Offset on Landscapes, the VertexNormalWS only pushes vertices in the vertical direction. Even if you are to sculpt an aggressive slope on the landscape, the vertices ar ...