I've got some information you need about this query with Point of Sale, @jwshepherd.

Yes, you're correct. QuickBooks Desktop Point of Sale discontinued its connected services and support on October 3, 2023. From there, the software will continue working in a limited capacity and no longer receive security updates.

Alternatively, you can contact our QuickBooks Desktop Point of Sale if you still have clarifications about this update. They can further explain more about this, specifically how you can adjust for this discontinuation.
 

Also, I'll be adding this link for more information for your commonly asked questions: Discontinuation of QuickBooks Desktop Point of Sale FAQs.

I'm more than willing to help if you have any other concerns about Point of Sale. I'll ensure your needs are taken care of. Take care always.