Unreal Engine Issues

Cross building UE4Editor from Windows to Linux has incorrect runtime dependencies on DSO's

Editor that was cross-built on Windows reportedly cannot start (using a Windows Subsystem for Linux or a VM). ...

BSP Converted to Static Mesh with Multiple Materials Will Only Show Element 0 After Migrating and Changing LOD Settings

"Reimport with New Source" fails on Mac

'Reimport with new source' command does not work on Mac. Confirmed in 4.22 @ CL 4771381 ...

Launch URL node adds http:// to commands such as mailto:

LaunchURL places an http:// at the start of any URL that does not contain :// . This causes an issue with the mailto: command and other commands such as this. Regression?: No This occurs in 4.2 ...

tvOS/IOS: Fails to Build with dSYM Options Enabled Due to DsymExporter Erroring Out

When attempting to package for tvOS or iOS with the generate dSYM options enabled, numerous instances of the following errors occur:[2019.01.21-20.53.35:739][138]UATHelper: Packaging (tvOS): [2019 ...

ABSLOG command fails to parse properly if path includes a ) and does not contain a space

A licensee has reported an issue where using ABSLOG results in some parsing issues with certain characters in path names. In this example, the issue is with ). If the Parse function ends up parsing ...

When rendering out TM-TrackEvaluation we do not hear audio

Noticing that we do not hear audio when rendering out TM-TrackEvaluation. Oddly this doesnt happen with SubwaySequencer content. Regression: No this occurs with our content in 4.21 as well. ...

Duplicating an Instanced UProperty Component copies a reference, instead of a "deep copy"

Duplicating a UActorComponent that has an Instanced UPROPERTY does not perform a deep copy of the instanced property. It appears to only copy a reference to the instanced object. Where as, performin ...

BumpOffset Node Produces Incorrect Results When Texture Coordinate Index Is Not 0

When using the BumpOffset node, it will produce incorrect resultsi if the Texture Coordinate Index is not 0. Found in 4.20 CL# 4369336. 4.21 CL# 4613538, 4.22 CL# 4751672 ...

Niagara System User Parameters Resetting After Closing the Editor

Niagara System user paramemters will reset upon restarting if they are used in a Blueprint. This also occurs to the system if you move the blueprint after making changes then pressing Ctrl+Z.  Foun ...