Take a look at this thread from last year.
Probably your best guide is last year. Skim the thread above and you will have a sense of timeline and sequence.
Looks like they had several waves of taking people off an extended wait list. Some as early as mid May and some as late as June. I know frustrating!! Regional AOs call first to ensure continued interest.
Good luck. Be realistic but don’t let persistent negativity bother you.