Hello,I've tried to upgrade from 4.3.0 to 4.4.0 then to 4.4.1.
The upgrade was a mess, so I have installed a fresh copy of 4.4.1.
The problem is with the Listing forms. I add fields to the form and sometimes the automatic save function get "crazy" and freezes in the loading state and when I try to to edit it again no field is saved.
When I managed to create and save the form(after many attempts of saving and reloading the page) in the frontend is saved but when I try again to edit it the field goup is there but with no fields in it.

Any help is appreciated. I am tired to create the forms all over again every time that I want to add or edit a field.

Thank you!