Nothing new here. The inability to charge exactly to 100% has been seen in Tesla Model S cars for 6 years, I've seen a significant number of posts on that in this forum, and have experienced this in -30C weather myself one particularly bad week in the winter a few years ago. My 2013 S85 has always charged maximum <90kW since purchase, and I do not consider this "forever", nor did it prevent us from putting 140,000 km on the car, 60% of which are supercharged km. These aren't "new" charge rates, but modifying a subset of cars to match charge rates that earlier cars (like mine) have had all along. My car has 97% original capacity, routinely charged to 100% and daily to 90%, supercharged hundreds of times, and not affected by recent the software updates, you are just experiencing similar charge rates to what our car has always had.