Unreal Engine Issues

[CrashReport] Crash on FMaterialEditor::OnCanPromoteToParameter()

This is a common crash in the 4.16 release (affecting Windows and Mac). A log file is attached. Users have not provided descriptions so additional information is not currently available. Windows C ...

Shader compiler errors when using enclosed local variables in a material while ray tracing is enabled

A licensee is seeing an issue with a couple of post process materials after enabling ray tracing. While the materials presenting the issue fail to compile for different reasons, they both refernce t ...

[CrashReport] Crash CheckForWorldGCLeaks() - EditorDestroyWorld()

This is a somewhat common but longstanding Mac crash that has affected users since at least 4.13. Recently in 4.17.1, the crashes are all occurring in various ARKit projects User DescriptionsI add ...

Assets containing TSet or TMaps fail to Nativize

Multiple compile failures while attempting to nativize the QABP_Containers asset in QAGame. Errors:[2016.12.12-15.20.04:831][486]UATHelper: Packaging (Windows (64-bit)): xgConsole: QABP_Containers_ ...

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). ...

Timelines do not parse "," in numeric fields the same as the rest of the editor

Datasmith Export Bug with Camera Target

Potential bug was encountered when exporting vray cameras and their targets that have been path-constraint to corresponding splines. The resulting export file shows no camera targets; hence, missing ...

Sync'ing an asset through the editor does not update the asset until the project restarts

If an asset file is checked out / edited in source control and checked back in, others will see the yellow exclamation mark to indicate that there is an update to the asset but choosing to sync does ...

"Active" marker on shot track scales improperly when using Time Scale

"Active" marker on shot track scales improperly when using Time Scale ...

Instanced Foliage Actor painted on an Actor who is attached to a Parent Actor, does not update transform when Parent is moved.

Instanced Foilage Actor painted on an Actor who is attached to a Parent Actor, does not update transform when Parent is moved. Note:  The foliage will move if the base actor is moved directly, inde ...