What's in the Tesla 8.1 software update? (Autopilot improvements, that's what.)

[NewsBot]

Tesla Autopilot has had plenty of critics since it rolled out to Model S and Model X vehicles in October 2015 as part of an over-the-air update of the company's 7.0 software. Many owners cheered the arrival of semi-self-driving features, but safety advocates and more than a few politicians complained that Autopilot--which was still in beta--put...

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