Hi Lorenzo,
never heard anything from ActiveSky Next … we don´t have this addon in our support list, therefore you can´t find it. I´m not sure, if this is compatible with any other ActiveSky version. I will check it and when yes, we will add it in our list. For the meantime, sorry but it´s a unsupported addon for us and therefore you can´t make any updates.
Cheers,
Richard
PS: we will check this with the HiFi dev but this will be take time … thanks for your understanding