I wish they would put a new 10.3 version with the new battery code out. I have every intention of not using iOS 11 due to feature changes that don't work well for me (like the control center wifi/Bluetooth silliness).
Won't happen, though - this is Apple.
I am afraid of ever breaking this phone because it is my understanding a restore from backup forces an update to the latest code.
I like the way macOS 10.12 works (I prefer 10.8, but whatever). At least Apple provides security and patch updates to 10.12 and I can stay on it for several years until they put out another version I either need to upgrade to (for third party reasons) or want to.
Apple does not allow me to stay on iOS 10. I have no option to upgrade to 10.3.4 - they won't put out a 10.3.4 even. No, the only option is 11.
If 10 is working for me, why am I forced to move to 11?
This is very anti-consumer of Apple.