cgminer and bfgminer have not been updated in years
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/cgminerbfgminer doesn't seem to be as active, but still there are some changes from last year:
https://github.com/luke-jr/bfgminer