Eg
struct BadComponent : IComponentData { GCHandle v1; }
has SizeOf 8 bytes but TypeManager handles it as 4 bytes. Resulting in all kind of issues eg when aliasing chunk memory with NativeArray.
IN-94090
Related Issue: DISABLE_TYPEMANAGER_ILPP define has compile errors
Related Issue: DISABLE_TYPEMANAGER_ILPP doesn't work even after fixing compile issues
