I don't know if I'm imagining it or if it actually changed, but it looks like my competitions are getting more attendees as the day goes on rather than a set amount every day. Did this change in the update?

It is an error on my part, it will be changing back to daily updates.

Aw are we going to get those attendees back?

It will even out - the system makes sure you have what you're supposed to have by the day of your event. It was just giving extra attendees because it was running hourly instead of daily.