thanks for the additional information. I have used multiple browsers on Mac, basically Chrome and Safari. I have tried private / incognito mode on both, mobile and desktop. I do not have popups blocked. I also tried different network connections and disabled iCloud private relay service as well.
NONE of the actions above changed the behavior of the connector. This appears to be a cloud to cloud issue between QB and shopify, not a client side problem.
I am clearly not an exception here. the thread certainly shows that
