We are looking for SAML integration as well. We would like SAML support for ManageEngine (AdManager Plus, AdSelfService Plus). 

They do not care about rapid changes around. I have seen many requests for LDAP and now Azure AD is straight forward and they still require the whole server to join one domain while they know that many already using the solution for multiple domains

Very careless since 2014 and people complaining and they never took a serious action