Unreal Engine Issues

Integrat PhysX crash fixes

Crash enabling Landscape Layers in editor with -Vulkan

The following fatal error occurs:[2019.07.19-19.41.13:425][975]LogWindows: Error: Fatal error: [File:E:/Workspaces/Main/Engine/Source/Runtime/RenderCore/Private/RenderingThread.cpp] [Line: 836] [2 ...

Duplicating / Moving (to another level) an actor with a Hierarchical Instanced Static Mesh component causes a crash

When you have an actor with a Hierarchical Instanced Static Mesh component that has a Static Mesh set and is populated with at least 1 instance and then duplicate it or move it to another level, it ...

Crash when saving a Data Table that is referencing itself in a Data Table Row Handle

Crash when saving a Data Table that is referencing itself in a Data Table Row Handle. Reopening the project also causes a crash. *Regression: Yes This was fixed and working in 4.13-3037605 This i ...

Niagara Data Interface "Errors and Warning" section on Module Details not updating when error messages change

This is a regression: it worked correctly up to UE 5.5, but not in 5.6 or mainline latest. Possibly caused by CL 40093049. Class UNiagaraDataInterface provides virtual method GetFeedback(), which a ...

[CrashReport] UE4Editor_UnrealEd!FEdGraphUtilities::PostProcessPastedNodes() [edgraphutilities.cpp:138]

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: Access violation - code c0000005 ( ...

Fix center of mass calculations with welding.

Welding components uses precomputed weights for to determine center of mass for the actor. This can cause problems when users want to specify custom weights for certain components. ...

Fixing up GoogleVRHMD static analysis warning

[Line 1585] d:​\build​++ue4+release-4.14+compile​\sync​\engine​\plugins​\runtime​\googlevr​\googlevrhmd​\source​\googlevrhmd​\private​\googlevrhmdrender.cpp(42) : warning C6386: Buffer overrun while ...

Fix InstancedStaticMesh RemoveInstance invalidating indices

When removing instances from an ISMC, indices / indexes returned from AddInstance will be invalidated. This can cause issues for users that want to do custom management of instances. Using something ...

Investigate/Fix incremental component unregister

Streaming a level back in before it finishes streaming out behaves undesirably. When a level is streamed out the actors/components in the level are incrementally unregistered over multiple frames. ...