Unreal Engine Issues

Montage linkable elements lose segment links when changing dependant anim sequences without loading the montage.

If an animation has its length changed, either by changing its play rate or reimporting with a different length - elements in any unloaded montages will end up misplaced. Workaround: Load the monta ...

Crash Occurs When One Morph Target is Deleted and Another is Adjusted Afterward

Engine crashes when a morph target on an asset that has multiple morph targets is deleted and then another morph is adjusted afterwards Notes: Asset came from an older Jira where this same issue o ...

RunAssetExportTask do not pass the automated property to the exporter

The name of imported asset is not listed in the DataTable Options

When importing a CSV file as a DataTable, the name of the asset isn't listed in the DataTable Options window. This can make it confusing for the user when they try to import multiple files at once, ...

AutoReimport can kick in too early for files that are being written out continuously

When exporting a large file, due to the way the auto reimporter only checks for the number of changed files has remained stable for some given threshold, it can kick in too early even though the sin ...

Crash while trying to import a C4D file with Animation via Datasmith

The file was originally created by Mixamo and saved as FBX. It was resaved it in C4D with the Save for Cineware Option. Importing it into the Editor causes it to crash. This was tested and reported ...

[Feature Request] Morph Targets not included when exporting Skeletal Mesh from Engine

Comment from David H.: Update on this Jira. I got customers in Cinema field in needs of this feature. Morph Targets not included when exporting Skeletal Mesh from Engine. A use case for this wou ...

Crash when using Export All or Export Selected (UE4Editor-UnrealEd.dll!ULevelExporterFBX::ExportBinary)

Relates to [Link Removed] [Link Removed] Call stack is similar to the bugs above. Editor will crash when exporting assets from a level that is not dirtied. Another reproduction method is to selec ...

Alembic import axis not aligned correctly

Alembic import transform is flipped on the Y axis and the scale is also rotated for its axis. I've attached a text asset similar to the users to easily identify the issue along with the source Max ...

[CrashReporter] UE4Editor-MeshBuilder!SkeletalMeshBuilderHelperNS::FixFaceMaterial(USkeletalMesh *,TArray<SkeletalMeshImportData::FMaterial,TSizedDefaultAllocator<32> > &,TArray<SkeletalMeshImportData::FMeshFace,TSizedDefaultAllocator<32> > &)

Generated from CrashReporter Error message: Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Public\Containers/Array.h] [Line: 614] Array in ...