Before we know it (Sept. 7th?) Apple will be releasing their final production (GM) version of their core three operating systems, iOS10, watchOS3, and macOS Sierra. Numerous updates for all three have been made available over the past few weeks. I have been running them on my iPhone, iPad, and Watch since beta 2. I have had no time to work with Sierra at this point so I’m not able to report anything from that perspective. If you are a developer, you should be running these betas on at least one device!
Looking back to previous OS releases makes me really excited. This latest release has been incredibly solid for my use cases. I would say that this next release — in terms of the number of critical, show-stopping bugs — is easily the best that I can remember. Your milage may vary, of course.
I also need to take a second and point out that the new, faster, app launch behaviour for the watch really breathes some new life back into this device. I rely on my Apple Watch a lot. The only change I have noticed is that this beta drains the battery a bit faster than normal. This is likely going to back to normal once GM (Gold Master) hits.
I won’t go into the details about what is new in iOS10 / watchOS 3, as many other sites have covered this substantially better than I ever could. My point with this post is to simply share that you should not have any worries to run the developer or public betas on your main carry devices.
I have a huge amount of gratitude to the many developers, designers, and quality assurance folks at Apple for all the effort they are pouring into this next release. Keep up the great work!