Is this actually true ?

I saw that some users out here have a newer version of the firmware by at least two versions. And yet the app tells me that I am on the latest one. Don’t get me wrong don’t have anything to complain about my ring but just wondering why are some users out there rocking a newer firmware and I am still stuck on the old one. Looking also at the feedback I am actually happy to be on a stable version but I wonder why are there so many different firmware versions out there.