I didn't get this exact email, but I did get an email letting me know that my scheduled build date of 5/18 was changed to 5/29.
I check the tracker, and it now doesn't show the schedule week. It only says order confirmed.
I had the similar experience. The manager for mine didn't give me the allocation number, but she did lmk that they had the allocation to be able to cover mine.
I ordered 3/27, and got scheduled for May 15
A lot faster than expected.
I honestly just hope that those others that have been...