USCGC Smilax (WLIC-315), commissioned 1944
Here is a link to a power point style update on the Waterways Commerce Cutter apparently given at the Navy League’s Sea-Air-Space Exposition, 7 May, 2019.
They are hoping for initial operational capability for the new vessels in FY2024 and full operational capability (which I interpret as all the new vessels in commission FY2030.
Thanks to Lee for bring this to my attention.