I pushed CubicSDR 0.2.7 and liquid-dsp 1.4.0 to rawhide now.  In particular, CubicSDR adds a CW mode (but no decoder) .

CubicSDR release notes: https://github.com/cjcliffe/CubicSDR/releases/tag/0.2.7
liquid-dsp release notes: https://github.com/jgaeddert/liquid-dsp/releases/tag/v1.4.0

Thanks,
Matt N5MLD