Early this year, the car manufacturer took away the Enhanced Autopilot package and created a base autopilot package. The same one that is now standard in all Tesla cars.
In May Tesla announced that any Tesla Owner could now upgrade for the Full Self-Driving package to $6,000, eliminating the 8k price. But reserved itself the right to increase rates in the future if they see fit.
This move caused a lot of commotion with users that had the Enhanced Autopilot package because most features overlapped the Full Self-Driving one. If they wished to buy the Full Self-Driving Package, they would end up paying for some features that they already had.