I think we have the exact same timeline! I too just got my first GU, but I think it may be linked to a webform I sent recently about change of address.Hi Dinesh..
Today I got ghost update first time. Fingers crossed!
Application submitted: May 6th 12:26 pm EST IG
Application linked: July 27th
Medical Passed: July 30th
AOR: August 3rd
GU: October 12th
No messages in GCKey account.
CPC: Sidney