Having a lot of issues with Matukio. Lots of Double Bookings which is frustrating my client.
I'm trying to convince them to stay with Matukio and not scrap Joomla all together for WordPress.
Would be great if I can solve this Double Bookings issue first. Using Authroize.net plugin. Users are only "active" if they pay - but still getting double entries in teh booking form, exact same booking details, exact same booking Time - but different ID. Payment plug in is only processing it ONCE.
So the robot employees - see this double booking, cancel it and auto refund the money which means the person goes to the seminar for free. Not good!

We are planning a migration to 3.6 and I'd like to update Matukio before hand. Is the latest version compatible with J2.5?

Looked through the documentation again and can't find a change log. The latest update to the article was in 2014.