Unreal Engine Issues

[CrashReport] Linux crash - FMonitoredProcess::Launch()

This is an infrequent Linux crash occurring in 4.17.1. Callstack from Log[2017.09.06-15.26.30:028][666]LogLinux: Error: appError called: Assertion failed: Assertion failed: [File:/home/***/.local/ ...

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 ...

Closing the GPU Visualizer window on Linux causes the editor to crash

After opening the GPU Visualizer window, pressing the "X" to close the window causes the editor to crash. ...

[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 ...

Crash when launching Google VR project

Attempting to launch a packaged Google VR game on android causes the game to crash. This has occurred on two other devices. This occurs in Main as well as Dev-VR. ...

SIGSEGV: invalid attempt to access memory at address 0x3

Crash Report: [Link Removed] ...

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_ ...

Crashes upon project start up

Crash Report: [Link Removed] After downloading latest revision, user is no longer able to open project due to constant crash. ...

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). ...

Fix up IOS errors calling UI API from non-UI threads