Yes you CAN still swipe to change faces! However I have found that they have now buried the on/off switch for the “Swipe to Switch Watch Face” down in the settings.
To get to it,
1) open your SETTINGS app
2) scroll down to the CLOCK setting
3 Tap in to it and you will find the SWIPE TO SWITCH WATCH FACE setting
4) Turn it ON or OFF (depending on your personal needs).
I set up and use different faces with differing ccomplications and use the swipe to switch feature to allow me to rapidly get to the face I need. For example - one face w/all the health features, one for media control, one for work & communication functions, one for weather & the outdoors w/astronomy stuff.
The feature that I find irritatingly inconsistent is the “double tap to speak the time” which is also a buried setting. It works wonderfully w/the Mickey Mouse Face, and inconsistently on a few other faces, but not at all on the majority of them.
It's an incredibly useful feature as it allows you to hear the time w/o have to look at your watch (as when your hand is holding something, etc). aj