Unreal Engine Issues

Server using -useperfthreads command line causes crash if rendering thread is required for function execution

Launch on for Win64 produces fatal error

Creating a C++ project and then attempting launch on for Windows 64 causes a fatal error crash in 4.8 preview 2 binary from launcher. Project recovers from fatal error and can then package and run . ...

Editor crash when searching in Add Object menu after creating a Niagara System asset in the Motion Design editor mode

If you add a cluster to another level to create HLOD and open a hierarchical outliner at the original level, the original level crashes.

Please check the attached file. https://udn.unrealengine.com/questions/417308/hlod-%E3%82%92%E4%BD%9C%E6%88%90%E3%81%99%E3%82%8B%E3%81%9F%E3%82%81%E3%81%AE%E5%88%A5%E3%83%AC%E3%83%98%E3%83%AB%E3% ...

Crashreporter.exe does not appear in packaged projects

Crash Reporter does not get packaged with development build projects when they have "Include Crash Reporter" set to true in packaging options. ...

[Sound Cue][Open World] - Crash when creating a Sound cue from an Ambient Sound actor on an Open World map

When trying to recreate an issue that resulted in [Link Removed], I came across this call stack.   Regression testing done in //UE4/Release-4.27.2 CL-18427296 and this issue did NOT happen. ...

Editor crash loading a Blueprint asset when a child scene component C++ type changes to a non-scene component type.

Changing the type of an existing child scene component to be a non-scene component type triggers some fixup code at load time which attempts to remove the node from its current position in the scene ...

Crash in Acquire/Release UGoogleARCorePointCloud.

Crash with package version with SetActorLabel.

Since SetActorLabel does not correspond to packages, cook wants errors or warnings. ...

Crash when enabling Edit Mode