Released in two steps: version 9.0 and 9.1

Synthesis 9 will be released in two steps. The main innovation of version 9.1 is the streamlining and restructuring of the symptoms, whereas Synthesis 9.0 maintains the known, classical structure. Both versions can be used simultaneously.
Version 9.1 will be delivered to all those who have version 9.0 as soon as it is ready.