This update containing new features and bug fixes and it's really huge update.
So you should try to update first on localhost. And please note that there have a feature I was cacthing up that "checkout field manager". You (me too) dont need any extra plugin for this, and your problem caused by this feature.
If I were you, just try to update on localhost again and check that feature's option page. (Check this:
https://prnt.sc/809HlH7KN2sE)
I just install on localhost with fresh wordpress and there have not any issue with checkout page