Probably about 3 weeks before I see snow - and the frost will be hitting Debian also
From Debian Planet
https://nthykier.wordpress.com/2016/10/01/stretch-transition-freeze-in-a-month/
QuoteIt is the first of October and that means the transition freeze is roughly one month away (Nov 5th 2016). In other words, this is the "final boarding call for transitions".
sidebar, the perl5.24 transtition was about as simple and painless and fast as it can get.