This is such a great bug.
There’s a rounding-error bug in the camera driver’s autofocus routine (which uses a timestamp) that causes autofocus to behave poorly on a 24.5-day cycle. That is, it’ll work for 24.5 days, then have poor performance for 24.5 days, then work again.
The 17th is the start of a new “works correctly” cycle, so the devices will be fine for a while. A permanent fix is in the works.
So their good for the Thanksgiving holidays, but if they don’t get a move on it’s going to ruin Christmas and New Years!