I thought it might be helpful in this post covid, post fee increase time to log our time line and K1 visa process here to help others with the anxiety of waiting or to bring some clarity to the process steps.
Priorty Mailed I-129F application to dallas lockbox on 3/22/24
I-129F received by USCIS on 3/25/24
Received notice of receipt I-79C and credit card charged 4/10/24
Paid for monthly PRO subscription to "Track My Visa Now" 12.99 per month
My current place in line is 3,457 out of 11,979 when i started 3/25/24
Estimated wait time to hear back from USCIS is Jun 7 to Jul 16 will update with the accuracy of applcation once I get more news.