Debugging the changing QR codes for Fitness SF

The QR codes for Fitness SF started changing. I had previously created an Apple Wallet pass that would automatically open the code up when you arrived. This stopped scanning at the end of May, and although updating my member ID temporarily fixed it, it broke again two weeks later. This lined up with the update of the app, where v1.3.22 let us know that "this update includes a fix to resolve the…