Too bad that, even being a Patron, there is no reply whatsoever when these kind of problems are mentioned. Even via email the silence is very loud.
Hopefully there will be an update of the app real soon.
Edit: just received a reply from Patrick that he will look into it a.s.a.p.
Edit 2: I noticed that a security setting was changed in my Domoticz setup (not by me!). Once I changed it, the app could connect again.
