Quote Originally Posted by chibipaw View Post
Im in a similar situation where I will be stuck in with an older version of ZC until a complete tear down can happen. Which its going to be quite catastrophic since it a 15 year old cart that had been through as much as upgrades as reasonably can. In the light of the USPS api retirement notice, I'm interested to see if this would work reliably in a production environment that really can't be upgraded any further.

Any efforts to provide some reasonable backward compatibility would be greatly appreciated.
Which version of ZC are you on?