InfoPath Dev

I've done some packet traces (MS/wireshark/Fiddler) with limited value and nothing clearly indicating what's going on. the behaviour seems to occur before a full session is setup, so we were looking into handshake protocols but didn't get much in the way of details either. MFA is not setup in SP2013 so not used. The frustration ...

We have multiple forms that have been published and working for a number of years in our SP2013 farm. we're slowly working them out of SP2013/Infopath but for those we have not completed, we're starting to fight with behavior changes. The most notable is related to opening forms (new) to a system (after a form cache has been cleared, or ...