Diffraction Limited announced that MaxIm DL 6.17 is now available.
It includes support for the new Aluma cameras, some additional Canon, Nikon models, improves Optec focuser support.

There are several issues that are fixed too. Details here:

I've installed it successfully (it was painless) but fog prevents me from testing... perhaps someone else can let folks know if all is well.
In MaxIm, you can go Help --> Check for Updates, and if you have a valid subscription, will be able to download it.