Many federal funding agencies are creating new Public Access Policies in response to the OSTP Memo released in August 2022 on "Ensuring Free, Immediate, and Equitable Access to Federally Funded Research." Colloquially, this is referred to as the Nelson Memo. A good resource to use to learn the most recent news on all agencies is the Public Access Plans & Guidance created by Science.gov.
Public Access Plan: Increasing Access to the Results of Federally Funded Scientific Research - The new public access plan released March 28, 2024.