Just to inform you that today, I got an email from USCIS case status account, saying my I-130 has been approved and that they are sending the paper letter soon. PD October 19th.
Case Was Approved
On November 9, 2017, we approved your Form I-130, Petition for Alien Relative, Receipt Number WACXXXXXXXXXX. We will mail your approval notice. Please follow the instructions in the notice. If you move, go to www.uscis.gov/addresschange to give us your new mailing address.