Got an e-mail few days ago - looks like Tesla Model 3 Performance now gets free lifetime Supercharging with owner referral link if ordered by Sep 16, 2018. In case anybody needs the code for Model 3 P, Model S, or Model X free Supercharging or solar panel extended warranty (or you can use somebody else's code as well):
http://ts.la/algirdas2110My Model 3 Performance is being delivered in a couple of weeks. Very excited to drive it and compare to my Model S P85.