On the other hand, they made it a WebUSB process instead of a standalone firmware, so when they take this update server down, any further controllers found at a

On the other hand, they made it a WebUSB process instead of a standalone firmware, so when they take this update server down, any further controllers found at a garage-sale or whatever can't be updated. A cookie for whoever's the first to snarf the firmware in-flight and whip up a standalone updater.