When using one DAW and IAC to send MIDI to Cubase recorded notes all snap to transport start position. Audition and Performance is not effected.
This only seems to be an issue with DAW to Cubase. I use IAC and NativeKontrol PXT to control Cubase via Push and there’s no issue.
Old thread from Cubase 7 https://www.steinberg.net/forums/viewtopic.php?f=181&t=59595&p=586315#p586315