I am just sharing what I know, believe it or not that's your own judgement and always take a grain of salt. And Of course it's not at 12AM 1/1/2022. If everything goes well it should start from late October though out Q1 2022. Don't expect all the updates at once, they will start with motorized screen first.
If this is true, it would be an incredibly dumb decision by Tesla. They can barely meet basic quality standards as it is.