Good evening, @rtsdesign12. 

It's great to see you back in the Community. I'd be more than happy to share insight into system requirements for QuickBooks Desktop for Mac 2021. 

Yes, QuickBooks Desktop for Mac 2021 is compatible with macOS Ventura 13.0. Here's a guide that has more details about system requirement for your version of Desktop for Mac. 

I hope this helps answer your question. We're always here to have you back. Take care!