There were quite a few name changes in the ISE Object Model from CTP3 to RC Using Update-TypeData, we can achieve some parity between the two We can add aliases to the CTP3 version to make it look like the RC Version For example, <Name>System.Management.Automation.Host.PSGHost</Name> <Members> <AliasProperty> <Name>CurrentPowerShellTab</Name> <ReferencedMemberName>CurrentOpenedRunspace<...