They are on the the iPhone as well. If you check out the iOS 17 Preview page on Apple’s website, it lists that as one of the new features. There are also a few other smallish things that didn’t get mentioned, or were skimmed over. It really seems like everybody was given a really small window of time in the keynote and had to rush through, just highlighting some of the bigger stuff.
Agree on the speed with which they went through stuff. This will be a season where we “discover” many changes and enhancements that were not covered in the keynote. And the wrap up “word cloud” for each platform (where they normally list most of the key features) was somewhat deficient this year.
Lots of spelunking ahead!