Syn v2.1 has just been released. The main highlights are:
The mnesia dependency has been removed in favor of ETS tables.
Conflict resolution has been further improved, and now it also uses a basic system clock to compare and resolve conflicts (this mechanism can be improved with custom implementations such as vclocks if the native one is considered to be insufficient).
Experimental anti-entropy support.
Additional helper methods have been added for SysOps.
This is a recommended update. You can find it in the usual places: