Crash after Clearing Sound Wave Asset and Deleting Media Player from Content Browser

Media Framework - Aug 8, 2016

A crash occurs when deleting a Media Player asset from the Content Browser that contained a previously referenced Sound Wave asset. This issue does not occur in any past engine versions as the prev ...

Attempting to Duplicate an Asset Copied to a New Folder Spawns the Original Asset

UE - Gameplay - Blueprint - Mar 8, 2016

Copying an asset into a new folder, placing an instance of the copy into the level, and then attempting to duplicate that copy by using CTRL+W in the viewport creates another instance of the origina ...

"Override Game Mode" only works with "Use Separate Process" enabled

UE - Anim - Sequencer - Jul 13, 2016

Override Game Mode only works when Using Separate Process ...

MaterialInterface is not exported and therefore it's functions are not accessible

UE - Graphics Features - Jun 9, 2015

MaterialInterface which is a base class for other classes (such as UMaterialInstanceDynamic) is not being exported which causes compiler errors when a user attempts to access the functions of this c ...

Static imported as skeletal removing material IDs with some FBX

Tools - May 27, 2016

Static imported as skeletal removing material IDs with some FBX. This user's FBX files are, so far, the only ones that exhibit this behavior ...

Full screen mode when using a laptop with Optimus ignores the gama setting

UE - Graphics Features - Feb 15, 2016

When using full-screen mode on a optimus laptop the gama that is set for the system appears to be ignored and uses the default setting, even if it has been adjusted in Windows display calibration se ...

Access None with Event Hit to get Physical Material type

UE - Gameplay - Feb 13, 2015

When trying to get a hit result from physical material using a event hit node there will be a access none error caused in the log. This is the exact error presented: Error Accessed None 'CallFunc_B ...

Drag and Drop Operations Don't Work Correctly When "Render on Phase" Is Enabled In a Retainer Box

UE - Editor - UI Systems - Slate - Jan 31, 2020

Drag and drop operations don't work correctly when "Render on Phase" is enabled in a retainer box. When "Render on Phase" is disabled the drag and drop operations work as expected. In 4.23.1 the dr ...

Volumetric Lightmaps Persist When Opening Different Level

UE - Graphics Features - Lumen - Feb 24, 2020

When moving between levels with built lighting volumetric light maps persists between levels. Workaround: Load the same level twice. Found in 4.24.2 CL#11100242 Reproduced in 4.26 Main CL#11574810 ...

Can't connect nor send packet via TCP socket in iOS

UE - Platform - Apple - Jun 9, 2020

TCP Socket messaging in iOS seems not working.  ...