Unless you are expecting a tesla executive to post here and reply, anything else is a guess.
If you are looking for guesses about "model Y and austin" there are already several (long) threads on that:
Well, as rumor has it, MYs should start to be built today in Austin. So I am starting this thread to see when people get their Austin VIN. It should look like 5YJYA1E62NA352XXX with an A in the 11th slot. Also, let us know if you also get a AMD chip, 12v battery, Duel Glaze Rear Window or...
teslamotorsclub.com
It appears that the new Austin Texas Gigafactory is hoping to begin production of Model Y's starting in late December 2021, or early Jan. 2022 with the first deliveries to customers perhaps in January. Up until now all Model Y's sold in the USA have been build at Tesla's Fremont CA assembly...
teslamotorsclub.com
Trusted on site source says: In a couple of weeks first test Model Y produced, not street legal. In a couple of months production ready for sale Model Y. October.
teslamotorsclub.com
Are three such threads, with at least 100 posts each in them.