I never registered on the tracking list here before, but wanted to share my info so we can have accurate stats. We just got approved this morning on my.uscis.gov! I got a letter on my email that action on my case was taken. Regular uscis.gov website and Case Tracker app still don't show it, but i think that's how it happens for most of the people.
NOA: Oct 19, 2016
Approval: Mar 31st, 2018
Status showing that Card is in production.