This update fixes issues with the amplitude modulation, envelope gate inputs and the patcher (network editor).
Thanks to @Mercurial @BrettSaberhagen @IvanS @NeilParfitt @ahhdem @tiger001 @2disbetter and others for reporting this. It took a while to find this one 
Download link -
https://s3-us-west-1.amazonaws.com/sw21092018/SYNTHOR-21092018.zip