ck stopped developing cgminer some years ago, but kano continued developing it.

For example, the GekkoScience Compac F was released in 2021, and support for it was added in cgminer by kano.

You can see that there's also recent activity in that repo: https://github.com/kanoi/cgminer

bfgminer doesn't seem to be as active, but still there are some changes from last year: https://github.com/luke-jr/bfgminer