Hi Art.
I understand your frustration, however as mentioned in another post, you should really be testing upgrades on a test install of DNN before rolling it out to a live site. Demanding to see a testing plan was obviously stated by you out of frustration.
Considering the wide variety of uses that people are using the Smith Cart for, it's not possible to completely test all scenarios. I'm doing some things with the cart that I don't think that Dave even considered, such as using the cart for donations to a non-profit.
As I said, I certianly understand your frustration, but even Microsoft comes out with updates daily for stuff that THEY missed in testing. Dave and his staff are quite busy, and a lot of it is my fault (lol), with changes to the system.
Disclaimer: I'm not an employee of Smith Consulting. I'm just a customer... with 30 years of computer experience and about 8 years of DNN.