This should work now:
https://github.com/4ms/metamodule-plugin-examples/releases/download/Airwindows-v2.2.0/Airwindows-v2.2.0.mmplugin
Each Airwindows module has a “Channels” setting that can be set to Mono (default), or Poly. In Mono mode, all the poly voices are summed and sent to the FX, which then outputs one stereo voice. In Poly mode, there is a separate FX for each voice, so CPU load can skyrocket.