Unreal Engine Issues

[CrashReport] UE4Editor_PropertyEditor!FDetailCategoryImpl::GenerateNodeWidget()

This is a trending crash in the 4.17 previews. Unfortunately users have not provided any descriptions of their actions when the crash occurred. Source Context 557 TSharedRef<ITableRow> FDe ...

Particles emit from corrupted positions when spawning from cloth vertex

When spawning particles from skeletalMesh vertices(using Skeleteal Vert/Surf Location), if the specified mesh is a cloth, some particles appear away from the mesh itself. This happens in 4.16 and 4. ...

Collection named 'NUL' is not recognized / saved.

When a collection is named NUL, it will appear in the editor but does not get saved when the editor shuts down. When the project is restarted, the NUL collection is removed. ...

Editor freezes when creating a Collection named 'AUX'

When a collection is created, naming the colleciton AUX causes the editor to lock up, requiring a force close from the task manager. Note: Naming the collection something else and then renaming it ...

Crash trying to open SkelMesh asset with Forward Shading enabled

Illegal names are accepted when creating a Content Browser Collection in code

When a Collection is created in code (see code snippet), the collection accepts names with illegal characters such as periods or spaces. Creating a collection through the editor properly warns that ...

UKismetArrayLibrary::GenericArray_Shuffle is weighted to return some results more than others

The implementation of UKismetArrayLibrary::GenericArray_Shuffle() will generate certain array shuffle results more often (up to three times as much) than others, rather than having a roughly equal c ...

[CrashReport] Mac crash - UE4Editor-MetalRHI.dylib!GetMetalDeviceContext()

This is a trending Mac crash in the 4.17.0 release. Users have not provided any descriptions of their actions when the crash occurs. ...

[CrashReport] Linux Crash in FActiveSound::GetWorld()

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: SIGSEGV: invalid attempt to write ...

Editor crash when a Breakpoint is added to a Widget's Tick function

Editor crashes when a widget's tick contains a breakpoint at a print string node. Based on 4.16 warning message, this appears to be caused by the text attempting to draw when no draw buffer is avai ...