I have retested and indeed everything works as intended (I didn't make any changes, but ran everything as it was before).
Additionally, I moved everything to the latest version (221229a), and everything works without any failures too.
Now I feel like the same user who complains about something, and when the senior came to look, everything works as it should.
In my defense, I tested on two different computers, checked firewall logs and sniffed traffic for any anomalies before any reporting
Perhaps I was really lucky to get into some kind of strange coincidence.
Thank you very much for your time spent on checking this case. And at the end of the day, no matter that no changes were made, but the gentle gaze of the creator corrected all the flaws in the "news" section