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/ ...

OpenGL: Nvidia: Crash when using foliage tool

As reported by user, using foliage tool in a first person project eventually crashes it. "Currently, any attempt to render objects created with the foliage tool crashes the UE4 editor on my machine ...

[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 ...

Failed to build in Github UE4.27.0.

Failed to build UE4.27.0 with Win64/Development Editor.  Can avoid this error that excluding the project from build configuration. (Solution UE4->Properties->Configuration Properties->Configuratio ...

UBT crashes when doing an incremental build

There is a consistent crash when incrementally compiling headers containing generated code. The code for launching UHT accesses a property which is null when compiling with the UBT makefile. ...

Spawned skeletal animations don't animate

Display 1.2 bouncing ball has a typo in the Math Hall of ContentExamples

Just a typo that needs to be fixed. ...

Metal Mobile Renderer remains checked after disabling it in the Project Settings

These were not options in 4.17 so not a regression. ...

In Niagara's "CalculateParticleRadius", StaticSwitch Input is connected

This may not compile properly. Should be fixed. ...

USkeletalMesh::SetSkeleton function is not a BlueprintSetter

I have a fix ready for this in cl: 17967661 ...