As with any software release, I usually hold back until things are resolved. My apps work, I’m happy that they do, and that’s good enough for me.
I don’t know why you’re being downvoted for providing very practical advice. I’m a maniac that jumps right into the fist developer beta, and I’ll attest to Apple’s OSs being pretty solid at launch, but the risk for bugs and compatibility issues is higher with a new big release.
We literally just saw Instagram and Uber overheating everyone’s phones for 2 weeks. It made global news.