Unreal Engine Issues

Adding ProceduralMeshComponent Class to a project prevents the code from compiling

After adding a classed based on ProceduralMeshComponent the code for the project does not compile any longer. **This is a Regression - Adding ProceduralMeshComponent class would compile successfull ...

Unable to reimport Alembic static meshes

User is not able to reimport an Alembic asset (using the right-click > reimport option). The workaround is to import and then overwrite the asset instead. ...

Editor crashes while saving or closing after heightmap import

Editor crashes while attempting to save or close project after importing a landscape from a heightmap. Frequency: 2/2 Crashreporter: [Link Removed] Regression (yes) issue (does not) occur in 4.1 ...

Fixed frame interval playback should be off by default

Undo, Redo, Undoing a blueprint actor Replace action causes a crash

Undo, redo, undo after issuing a replace actor action causes the editor to crash. Found on: //UE4/Release-4.13 CL-3078131 Crash reporter: [Link Removed] Regression from //UE4/Release-4.12 CL-3053 ...

Cannot package project with landscape to mobile

Cannot package project with landscape to mobile devices. Packaging fails with the following error: Fatal error! Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x00000002 U ...

Crash creating a new level sequence and then loading a new level

Crash creating a new level sequence and then loading a new level ...

FMath::TruncToInt() may result in incorrect data being returned in instances when a Double is passed in containing a large integer value

The FMath::TruncToInt() function takes a float parameter, but some calls to this function pass in a double value. For most use cases, this will probably work fine. However, if the integer values are ...

Potential crash with UFontBulkData

UFontBulkData::Serialize can be called in cases other than loading (such as memory counting) which can incorrectly set the BULKDATA_SingleUse on fonts that weren't loaded from a package, and lead to ...

Toggling Vertex Colors on in Static Mesh Editor makes the viewport all white

When turning on the Vertex Color option in the static mesh editor, the whole viewport turns white. ...