When placements start coming out for shortlisted JETs its very typical that upgraded JETs need to wait a little longer to get their placments. Usually this wait is a week or two but it could be a little longer. This does delay includes JETs who were upgraded right away and not only the ones upgraded in the coming weeks.
I know everyone is getting excited and wants to know everything but just be patient. Spend what time you have between now and departure doing things at home that you have always wanted to do but haven't because it has always been accessible. Spent time with friends and family and document your life. There is time for paperwork and planning but nows the time to live, there wi