Hi,
I’ve been in the same boat for about 8 days now. Newly created backend event handlers are still not firing for me. I’ve also had success with backend event handlers in the past, but the same working code when copied and pasted to a newly published website just doesn’t work anymore. In fact, I cannot get any newly created backend event handlers to fire. To me, it seems like existing backend event handlers created in the past are still working, but newly created ones are not firing.
I tried to get help in this forum post and on their Discord server, but so far the issue is still unresolved for me.