On Solaris pkg update -nv
will give a list the new packages.
On CentOS can one read the changelog for each package by yum changelog
.
Is it possible to read the changelog for each of the available packages before installing them on Solaris/OmniOS?
I don't know how OmniOS provides them, but Solaris does not put ChangeLogs in the packages. For Solaris Support Repository Updates (SRUs), the change information is provided in a README document on the My Oracle Support portal instead. Some bug id & CVE id information is provided as metadata in the packages, but that would give you a bare list of id numbers without any description - the SRU README gives better info than that.