TSA may finally be able to handle your CO driver's license
https://coloradosun.com/2023/09/15/tsa-says-issues-colorado-drivers-licenses-airports-gone-what-you-need-to-know/
Apparently there was some interpretation of the RealID specification by each state.

The vendor of the TSA system did not handle the variations properly. They have sort of, kind of, fixed it. Maybe.