Updated final timeline:
July 22, 2022 - DS3035 Package received
October 3, 2022 - NOS Sent to DOS
October 4, 2022 - Waiver docs complete
December 8, 2022 - FR by DOS
December 15, 2022 - I-612 Case accepted by USCIS
December 16, 2022 - Case received at another USCIS office
December 22, 2022 - USCIS Notice received in the mail
January 10, 2023 - Case approved by USCIS
January 18, 2023 - Received approval notice in the mail