It will be held March 25-27, 2020 in Nashville, TN at the Sheraton Music City Hotel. This conferences is the best place to meet Xojo developers from around the world in real live, make contacts, present yourself as expert and learn what is new in Xojo. Registration is currently $200 off full price till Monday night. Please sign up early to get the best deal.
Check out the conference highlights video if you want to see what it's like - or ask one of the many attendees from the forum!
PS: If you fly from Europe, it can be cheaper for the tickets to add a few extra days and stop for example in New York compared to flying directly.