How to enable option to save credentials in Viscosity VPN? Apparently sometimes Viscosity disables the option to save credentials into Keychain and even reinstalling the application does not bring it back.

What is the trick to re-enable them?
While Viscosity support refused to answer the question and stated that reinstallation is needed, I was able to find this trick after a bit of digging:

defaults write com.viscosityvpn.Viscosity KeyChainSupport YES