Flash will still be Flash. It is the support system that is changing, that's all. (That's as much as I can comprehend.) If we get too confused, we could ask our Dave to explain it...but I don't think I will understand any better.
Since I don't watch a lot of videos and I don't play video games, I'm not too concerned. I'm sure the computer wizards of the world are watching out for us and will make the updates smooth and perfect.