QPOSConnect actually works well with POS 19.0 - if you create a trial account at qposconnect.com you can message them within the portal and the team has been very responsive to help me set up my sync.  It's the best and ONLY solution.  (Ability wanted me to start a whole new POS company file - which would mean no historical data in POS).  The folks at QPOSConnect are really great and after spending some time with them to get the setup right it's a super option.  Highly recommend - wish it was easier to find!