Yes, I would expect the mandatory 14 day quarantine to remain as well. But I don't know if it's going to be as big of an impact as it was at the beginning of all of this. First off, that would mean retirees would be able to cross (though, those with an pre-existing conditions shouldn't be crossing) without much impact. They're not affected with needing to miss work, as they don't rely on work for their income. Secondly, anybody who can work from home, also wouldn't be affected much. There are those of us, like myself, who had this freedom even before the stay at home orders came in, and there are also those who've had that ability opened up to them. For instance, my Sis-in-law works in school administration. Before this all, her working from home would have been unheard of, but now, she's doing the majority of her job from her house. The infrastructure's been put in place, the working arrangements have been put in place, and the means to continue working from quarantine have increased for many people.
It's only those who don't have the options to work from home, like some of my family that works in various automotive factories/supplier factories, who would have to take the 14 days off work, but that number of people isn't as large as it was at the start of all this. Still pretty significant, but still, not as large.