If anyone likes hands-on control of plugins as I do, I made a device control panel which enables Sumu to be controlled using any compatible controller keyboard or surface (it maps all params, including modulators, except for the per knob LFOs)
https://www.dropbox.com/scl/fi/51t2h2o3ow43hdix4u9ak/Sumu-VST3.zip?rlkey=uvve1uhpgpenj3fuat4978qvf&dl=0