Welcome! This forum has a treasure trove of great info – Scouters helping Scouters! Just a heads up, though - all content, information, and opinions shared on this forum are those of the author, not the BSA.
Every single pack event I entered for the next year suddenly had only the AOL den showing as invitees, rather than the entire pack. I have gone through, one by one, and fixed this.
Also, I use the feature assistant and the #1 most helpful feature was the ability to batch edit events. That functionality has now disappeared, but I could have fixed this entire issue in one simple step (selecting all the pack events and adding all the Scouts) if it was there. The other particularly useful function that has been gone for a while now, was that the calendar would return to the month I was working on, rather than the current month, when closing out of a calendar item. Not being able to easily add attendees to all pack functions means that registration season will be incredibly difficult as I will have to go through every single calendar item one by one every time a new Scout joins up. Please add in this simple and useful feature!
I don’t know why your events might have lost invitees. Hopefully someone else can help diagnose that.
I still see Add Invitees as a button under the calendar when running the Feature Assistant Extension. You have to visit your My Dashboard before going to the calendar, since that’s what the extension relies on to tell it what your positions are (i.e. if you should have access to a particular feature like Add Invitees).
Charley is correct - if you don’t see Add Invitees, go to the Dashboard then back to the calendar page.
The return date to current month feature was an extension feature but was broken by an update to Scoutbook more than a year ago. There is no way for the extension to do this any more.
I did advance the dens. That would make sense that it is what did it, since the Webelos did not need to be advanced and were the only ones that did not disappear. It hasn’t happened in previous years.
Just ran into the exact same issue with my pack. The Webelos Den was not impacted since they’re not advanced, But every other was removed from pack events that were already invited to. I use the advanced Den feature in Scoutbook directly by Den.