When I import with Presonus Studio One 4 prime a type 1 midifile that I have exported from cubase pro 10.5.20, there are tracks that do not have midi data and others are not placed in the right time site.
If I import again into Cubase they appear as they should be.
iMac Processor 3,6 GHz RAM: 16 GB. OSX 10.13.6