Status got updated today. Oath March 02. Didnt get any email yet, I guess it takes few days. Noticed one thing that my physical, presence, language and prohibition was completed on Jan 19 but it didnt show up in the tracker at that time. My last update was Oct 31 that showed test was completed. Received a ghost update on Jan 16. That time ECAS showed that Decision made. Hope this helps.
My full timeline
Application type : Paper
Member : Husband, Wife, Child
Application sent : July 9
Application received: July 14
AOR : July 21
Background done : Sep 20
Test Invite (tracker) : Oct 20
Test Invite Email: Oct 27
Test taken : Oct 28
Test Marked completed : Oct 31
Spouse Test invite email : Oct 27
Spouse test taken : November 07
Spouse Test marked completed : Nov 08
Prohibition, language, physical presence : Jan 19 (Did not receive any update in tracker)
Ghost update : Jan 16 (ECAS Decision made probably, cheked ECAS after 23 Jan and saw DM)
Oath update : Feb 07
Oath date : March 02 (No email yet)
Hope you all have a smooth journey to citizenship. Thanks.