Adjustment of Status - I-485

Here is my GC Journey through employment:
**** Prior processing dates I don't remember... 06 months or more ... Not sure!
1- I-140 applied 08-Oct-2016
2- I-140 approved on 10-25-2016 (Premium Processing)
3- I-1765 / I-130 / I-485 package send by Attorney on 12-07-2016
4- I-1765 / I-130 / I-485 received by USCIS on 12-12-2016 ... All receipts
5- Bio Metrics done on 01-06-2017
6- I-1765 / I-130 approved for 04 family members on 02-06-2017
7- Combo card (AP+EAD) for all received on 02-09-2017
8- RFE for I-485 on 02-24-2017 updated on USCIS website for missing Gonorrhea test results
9- RFE for I-485 letter received on 03-09-2017
10- RFE for I-485 replied on 03-24-2017
11- RFE for I-485 Response review status update on USCIS website on 03-27-2017
12- I-485 got approved on 04-10-2017 - No Interview
13- I-485 Green Cards for wife and 02 children received on 04-15-2017
14- I-485 Green Card for principal applicant (me) still waiting ... Fingers crossed

I am not sure why they forgot to send mine, but hopeful they send it soonest.