Four Months Old?

I just bit the bullet last night and upgraded my Stretch/stable to Buster/testing. I wanted to do it all right this time, and finally have my system doing Debian testing the way it was intended. I've spent a lot of time trying to learn how.

However, and perhaps a good thing, I've not seen a lot of differences between the two so far. Everything I could do (that I've tried), I still can do, and it all works as it did prior to Buster. This release is about four months old (today's Oct. 14, 2017), so perhaps it's early to expect differences between the two. IRC (petn-randall) predicts we're 1.5 a. from Buster/stable.

On the other hand, at four mo. old, I was already trying to die from Whooping Cough. What's it's problem? I failed at that (but I might have helped create the vaccine).

Update

So, is anything in Buster "new" with respect to Stretch, aside from fixed bugs and security atrociousness? I guess the devs ought to weigh in here sometime, when they understand what upstream's been up to lately.

I thought Stretch the best Linux and Debian I've ever used, and now Buster inherits that.

Have fun!