Static properties like Display name, overridable, display type, unit, etc are lost when user goes to review page and navigates back to "customize services page". Instead default values declared in the model are applied. Example: namenode_opt_size property
Properties with suffix of "_hosts" being added by addHostNamesToConfigs function on step7 controller loses it's value ad category on being re-navigated to "customize services page". This makes them appear in custom section. Example: "NameNode hosts"