I did not BUT I filed my children’s N-600 in 01/2022 and upon 01/2024 hadn’t heard a thing from USCIS. Of course, I had several inquiries, Congressman etc. Filed WoM, for an interview date and when inside the building, the agent said that all looks good but she would not be able to make a decision today because she would need to talk to her supervisor. So I politely offered to wait in the lobby. She answered very nicely (seriously), “it may take a long time and she couldn’t promise me any outcome.” I stayed anyway. We had food, water and I was prepared to camp out in the lobby if necessary. She initially considered a day or two of additional processing and made it clear we would have to be contacted for a new appointment but I was certain that once I would leave the building, I would probably not hear from USCIS for the next two years again. To cut to the chase, both kids got their N-600 after a brief waiting period and had their oath the same day.