They no longer do that unfortunately. My timeline so far: PD 06/30/2020. Chicago field office. -01/27/20: Same sex couple, married to USC. -06/29/20: Package I-130, I-130A, I-131, I-485, I-693, I-765, I-864, I-864 joint sponsor and I-944 sent via certified mail USPS. -06/30/20: Delivered by USPS and signed by Chicago lockbox T Thomas. -07/25/20: Checks cashed. -07/30/20: Text messages received with case confirmation numbers. -07/31/20: Received NOA's in the mail. -08/05/20: Received RFIE notification from USCIS for I-485, letter to follow via mail. -08/10/20: Received RFIE in the mail asking for my partner's pay stubs for the last 6 months and letter of employment. -09/18/20: Mailed out RFIE to Lee-Summit's office. -09/21/20: USCIS confirms they've received RFIE. -10/27/2020: Called USCIS regarding biometrics appointment not yet scheduled. USCIS send E-Request to Chicago FO. -11/10/2020: Immigration officer reaches out to me via phone call to explain the reason I haven't received a biometrics appointment, appointment will come eventually. -11/23/2020: USCIS files another E-Request for biometrics. -12/04/2020: USCIS confirms biometrics appointment has been scheduled and letter with details is in the mail already. -12/05/2020: Biometrics appointment scheduled for December 21st 2020. -12/21/2020: Biometrics taken. -12/22/2020: Biometrics applied to cases. -12/29/2020: Case is ready to be scheduled for an interview. -02/26/2021: Interview has been scheduled for March 31st 2021.

congrats all the best gather all the evidence needed just keep calm