QMX and QMX+ transceivers are SSB-capable since firmware 1_02_000 released on 02-May-2025, following BETA releases from 18-Mar-2025. 

Seminar video:

My FDIM seminar presentation topic "Bringing SSB to QMX" is now available on YouTube, https://www.youtube.com/watch?v=bsDBcFXgHbY 

Conference proceedings article

The accompanying article is a 33-page PDF which you can DOWNLOAD HERE, and it contains a lot more details that are referred to in the presentation.