User blog comment:Rappy 4187/Technical Update: October 19, 2016/@comment-32881089-20161021182104/@comment-126761-20161021183816

See also my comment below, and I've added some info to the blog post above too.

Edit: I wouldn't worry about those code warnings. They're things we're aware of, but generally have no effect and aren't related to the general issues people are seeing today.