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As of 11/28/2019 looks like charging is free for all even if you dont have free supercharging. I have charged it 3 times still no bill from Tesla. Maybe they have not setup the billing part or I am going to get a bill later.
Yes I have noticed it in Performance model 3 and I wish they had a setting to go back to the higher regen braking. Also I feel the acceleration has decreased in 0-60 a little bit