Fresnel material doesn't display properly in content browser and sometimes weird in material viewport

UE - Rendering Architecture - Materials - Aug 4, 2015

When a material is created and saved using the fresnel node, the fresnel effect does not show in the Content Browser thumbnail. Also, when editing the material, zooming in and out with the mouse wh ...

Memory spikes when changing properties on a large amount of textures via Property Matrix

Tools - Jan 29, 2015

When changing a property on a large number of textures via the Property Matrix, memory usage can spike to over 26G. Tested in Main (Promotable-CL-2423505) Probably related to [Link Removed] ...

"Module 'XMPP' not found" warning in log file of blank packaged project

UE - Networking - Jul 15, 2016

"LogModuleManager: Warning: ModuleManager: Module 'XMPP' not found" warning in log file of blank packaged project Issue referenced by this JIRA: https://jira.ol.epicgames.net/browse/UE-30430 ...

[SM5] Material.usf Error when Previewing Material Function Output

UE - Graphics Features - Jul 21, 2016

A user on the AnswerHub found an SM5 material error within his material function after following the tutorial below. [Link Removed] I followed the tutorial until I reached the point in which the e ...

Memory Leak When Hovering Over a Folder Containing Blueprints

UE - Editor - Content Pipeline - Content Browser - Jun 7, 2016

Hovering the mouse cursor inside a Content Browser folder that contains blueprints causes the memory usage to steadily increase. This only seems to occur with blueprint assets in the folder. A use ...

Projects created outside root UE4 folder do not show up in Project Browser on Linux

UE - Platform - Linux - Nov 25, 2014

If a user creates a new project on a Linux machine and specifies the project to be created in a folder outside of the root UE4 directory and /Documents/Unreal Projects/ folder, the project does not ...

Using the CVar `Shot` causes artifacts in the screenshot with GearVR

UE - Platform - XR - Mar 7, 2016

When using the CVar for `Shot` the produced image saved in the screenshots folder of the project on the device will has artifacts that are not the image taken. This happens when using a Gear VR Proj ...

Particle Collision causes particles to snap away from collision location

UE - Graphics Features - May 5, 2016

Particle Collision causes particles to snap away from collision location. [Image Removed] ...

Attenuation Overrides Reset for Spatialize on Sound Cues after Upgrading to Newer Engine Version

UE - Audio - Nov 17, 2016

A user on the AnswerHub has reported that a number of his sounds have had their Attenuation Override settings reset, more specifically the 'Spatialize' setting. I ran a few tests and discovered tha ...

Crash after Enabling Forward Shading on Mac and Creating/Editing Materials

UE - Graphics Features - Nov 18, 2016

A crash occurs after enabling 'Forward Shading' on Macs. The crash is triggered after creating a new material and attempting to modify that material. Regression? No, this crash also occurs in the 4 ...