Just as a little "aside" here....
The way development has gone for mobile (and PC for the most part) the "Slow Ring" is pretty much useless, in my opinion. Updates are few and far between, which leaves the slow ring users stuck on a release that is (usually) worse than the one available on fast ring. In my opinion, if you're going to be an insider, you should just be on the fast ring.
Microsoft should get rid of the slow ring entirely...I see no benefit.
The latest fast ring build is very stable.
Anywho...carry on.