David Sparks was brave/foolish enough to put the iOS 10 beta on his daily iPhone, which in turn allowed him to update his Apple Watch to WatchOS 3:
Likewise the watchOS Dock works swimmingly. I’ve pressed the
physical button for the Dock more times in the last week than I
did in the prior year when it was the Friends button. The
background refresh of Dock-based apps is the killer feature here.
I can actually now consider some third party apps that hold time
sensitive data without worrying whether or not they’ll be
I’m quite impressed with Apple’s ability to go back to the drawing
board and improve the user interface of the Apple Watch. I’m even
more impressed, however, that they are squeezing this much better
performance out of the exact same pokey hardware I had a week
ago. I simply didn’t think it was possible.