My information is also on the spreadsheet but I'll post my timeline again:
Application Received: April 7, 2017
AOR: May 3, 2017
Sponsor Approval: May 10, 2017
Medical Request: May 10, 2017
Schedule A: Web form May 19, 2017; Mailed May 23, 2017 PCC: Upfront
ECA In Process: June
13, 2017
AOR2: June 19, 2017
BGC in Process: October 10, 2017
I cancelled my representative on October 12, 2017 and submitted a Web Form Inquiry on November 1, 2017 to confirm if my representative was cancelled and to make sure the information in their system was updated with me being the representative for my husband (I'm the sponsor). While inquiring about the representative updates, I also just stated that my BGC has been in process since October 10, 2017 and if any other additional documents are required. On November 14, 2017 I got a reply stating that my husband's file is in queue for final review and the representative information has been updated. Hope this helps! I don't think anyone has gotten DM since October from NDVO.