If you’ve already filed your green card application and there’s a visa retrogression, USCIS or the State Department will hold your application until you get back to the front of the line. You don’t need to do anything other than ensure that your contact information is up to date. ...
Your preference category determines how long you’ll wait, ranging from a year or two for F1 applicants and up to a decade or longer for F4 applicants. Check the visa bulletin for up-to-date information. To minimize your wait time for a green card, it’s important to get the details ...