Yes, it's basically a side effect of activating Emergency SOS. The five-press shortcut works on all iPhones as far as I'm aware. As the doc says:
"If you use the Emergency SOS shortcut, you need to enter your passcode to re-enable Touch ID, even if you don't complete a call to emergency services. "
"If you use the Emergency SOS shortcut, you need to enter your passcode to re-enable Touch ID, even if you don't complete a call to emergency services. "