CMS has posted (after a few weeks' delay) the 153 comments on its TCET, emerging technology proposal:
https://www.regulations.gov/docket/CMS-2023-0107
TCET was discussed multiple times at a September 19, 2023, House Energy & Commerce hearing on Medicare and innovation.
https://www.discoveriesinhealthpolicy.com/2023/09/september-19-2023-congress-holds.html