New
#420
In an excellent nutshellBecause we like living dangerously.
Think of the slow ring as (almost) a release candidate (ready for production); most bugs are squashed but there may be one or two undiscovered ones. It's basically the tail end of a beta.
With that in mind, it follows that the Fast Ring is less ready for prime time. What is now labelled as a "Preview" was formerly known as a "Beta". A Beta is not perfect; it's been run through the top echelon of Beta Testers within Microsoft and some partner companies, but there needs to be more than developers and ITs testing.
That's where we come in. Insiders come from all walks of life; as you can see here, from the complete novice to the gurus among us. At this point, we're what Microsoft needs, so the Preview (Beta) is handed over to us to find and report bugs. As you can see here in this forum, there are quite a few.
So, as bugs are reported, the Microsoft Dev team works on them. As we all know, it stands to reason that as one issue is fixed, it's possible to break something else. That's why it sometimes looks as if Microsoft is ignoring your issue, when it's very possible that while trying to fix that, it breaks something else, so they have to go back to the drawing board.
And now we come to Skip Ahead, which can be called the Alpha. As the current Preview (1903/19H1 in this case) closes in on Release to the Public, the Development Team is busily working on 1909/19H2. In the beginning, it's raw and pretty uncontrollable, but is still a work of art in my not so humble opinion. Those of us who are willing to take chances and work with such as this sign up because we want to help make Windows the best it can be.
And with all that said, the most important thing to remember is that nothing on Slow, Fast or Skip Ahead is reliable enough to use as your Production Machine. The risk of losing important work is too great.