Tried on CentOS 7.6:
[guest@localhost ~]$ snap version snap 2.37.2-1.el7 snapd 2.37.2-1.el7 series 16 centos 7 kernel 3.10.0-957.5.1.el7.x86_64
Installs fine. Installation of basic snaps works too.
Generally works, though running Pagure requires a lot of fiddling with SELinux rules. My understanding is that the current version of the package has the same issues, so better than it was before at least.
Using these packages to run pagure's test suite in podman/CentOS7, they fail, but not because of these packages (which are actually improving the situation compare to the packages I used to use)