https://www.apple.com/ipad-pro/specs/
Assuming you're asking about being able to connect the iPad to an older Mac, the specs page above says you need to be on 10.11.6 or later, with iTunes 12.8 or later.
https://www.apple.com/ipad-pro/specs/
Assuming you're asking about being able to connect the iPad to an older Mac, the specs page above says you need to be on 10.11.6 or later, with iTunes 12.8 or later.
Or any iTunes versions with proper mobile device support package installed. That’s what I do when using iTunes 12.6.5 with iPad Pro running iOS 13 beta, though I do believe there should be a minimum version on this.
https://www.apple.com/ipad-pro/specs/
Assuming you're asking about being able to connect the iPad to an older Mac, the specs page above says you need to be on 10.11.6 or later, with iTunes 12.8 or later.