Cabinet discussed it yesterday and apparently agreed "in principle" but have sent it back to CCSA for some further tweaks. So at this point it has still not be approved for the gazette. Strongest advice as Garrett has pointed out don't book anything just yet. And never listen to what embassies and airlines are putting out!!
Anything you want to know about insurance talk to this lady. She has helped hundreds of expats getting back to Thailand. And she represents all insurance companies, not just one
Phuket you need a negative test carried out in the last seven days which you'll have. No further quarantine required. You're free to roam around all the closed down businesses!