Three or so weeks ago, after waiting at least 2 weeks for a match to be completed (per it disappearing from the dashboard), I finally called into MS to have it matched up. The CM saw it but needed to take another step to verify they could finalize the match. What was explained to me is that they were very behind in matching waitlists and actually were working thru a mess because room availability had been released to the system after it was thought there had been rooms missed but after doing that it was discovered it wasn't actually available! A rather big oops. I know that time as lots of people reported about all the sudden availability.
Oh, that is a huge mess. I do remember the buzz about the availability, though I missed it myself. Maybe that's why the CM just told me that the waitlist was still active - perhaps she wasn't prepared to take that extra step while I was on the phone, and thought it was easier just to say the request was still active rather than explaining the whole situation. I didn't push, just asked her to verify and let it go. Thanks for the extra info!