Upgrade Chef Server & Chef Clients
We are currently running Chef-Server 12.0.1, the current version of Chef-Server is 12.6.0, the are also running version version 3.8.2 of the Chef-Client as locked by the Berksfile, the current version of the chef-client is 4.5.3.
Major feature enhancements have happened in both the Chef-Server and Chef-Client as well as bug and security fixes.