Apparently, reachability works. You just swipe down on the home bar, instead of up.
HT: How to use Reachability on the iPhone X - Cult of Mac https://apple.news/Aowdmdg3vT0yl7SobyRyZaA
HT: How to use Reachability on the iPhone X - Cult of Mac https://apple.news/Aowdmdg3vT0yl7SobyRyZaA