Hi Scott, I am not sure whether we as users need your extra help on IC to use all new features of the new DX 41.3.0+.
Thank you for your excellent IC. :)
new sfdx-cli/6.0.9-3391781 (windows-x64) node-v8.6.0
new Salesforce DX core plug-in version: salesforcedx 41.3.0 (core)
! - salesforcedx is now a core plug-in -- Use sfdx plugins --core to view its version