Volumetric Translucent Shadow visibility artifact

UE - Graphics Features - Aug 12, 2016

Volumetric Translucent Shadow has artifacts when using some nodes like noise when clamped between 0,1. This happens with other nodes as well. When using a basic alpha mask or constant value there ...

r.setRes does not Allow true fullscreen on Mac

UE - Platform - Apple - Oct 5, 2015

While playing in editor, executing the Console Command: "r.setRes 1920x1080wf" produces the exact same results as "r.setRes 1920x1080f" which is to create a fullscreen window with a border across th ...

Crash when moving map assets used as level instances

UE - World Creation - Worldbuilding Tools - Level Instances - Mar 10, 2025

Gamepad continues to control editor menus during Mobile PIE session

Tools - Dec 4, 2017

When using a Gamepad, there is an issue where input from the controller continues to control editor menus during Mobile PIE session. This issue does not a appear to be a regression. Versions Tested ...

Skeletal mesh bones cannot be selected in the viewport of the IK Retargeter

UE - Anim - Rigging - Retargeting - May 2, 2023

Skeletal mesh bones cannot be selected in the viewport of the IK Retargeter. They can still be selected via the bone name hierarchy. Reproduces in the following://UE5/Release-5.1 CL 2390901//UE5/Re ...

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 ...

KiteDemo: Bookmark spawn function broken if in Run mode

Docs - Samples - May 4, 2017

While testing in KiteDemo - //UE4/Release-4.16 CL 3420042 in Binary – I found that pressing the bookmark attraction Scene keys (1 - 0) does not work as intended if user is in Run mode. ...

Long delay on iOS Device Output Log can cost loss of logging on some devices

UE - Platform - Mobile - Feb 8, 2019

If the delay to begin printing the log to the window is too long, some of the logging can be thrown out. This issue does not occur with Android Device Output log UPDATE1: The last time I reproduce ...

Unable to apply Materials to the chunks of a Destructible Mesh

UE - Simulation - Physics - Jul 31, 2018

When applying a second material to a Destructible Mesh it does not texture the chunks of the fractured mesh. The chunks remain the same as base color of the Destructible Mesh. This is issue was re ...

C++ Projects Crash in Mac OS 10.11 El Capitan when No Audio Device is Present

UE - Platform - Apple - Dec 22, 2015

This issue has been reported by two different users with very similar circumstances: Both report the editor freezing when trying to compile UE4.10 C++ Projects running Mac OSX 10.11.1 if no audio i ...