On May 1, GSA’s Data.gov team published the official DCAT-US Schema v3.0 (opens in a new tab). This release was the result of collaboration among the CDO Council’s Customer Experience Working Group (CXWG), GSA, and OMB.
The schema is a flexible, open standard that supports agency compliance with OMB guidance, including M-25-05 (opens in a new tab). The full schema is available here (opens in a new tab).