It's not clear to me if I'm a unique case or if Arisia is changing other participants' schedules without notification; it might behoove you to check yours.
I've sent Programming an email this morning. I expect they're as busy as a beehive in honey season, but at least the basic courtesy of a "your schedule has changed" email should happen.
no subject
Date: 2009-01-12 03:57 pm (UTC)"Please review your preliminary schedule. ... Your final schedule will be available with your program participant package at con. ... Please review the schedule again at that time."