we have a slice that introduce new storage solution for System Settings. See: https://pharo.fogbugz.com/f/cases/16681/Storing-System-Settings-using-STON 

You can load it using:

Gofer it
smalltalkhubUser: 'Pharo' project: 'Pharo50Inbox';
package: 'SLICE-Issue-16681-Storing-System-Settings-using-STON';
load.

When you open the Setting Browser, you can see that every setting has new items in context menu:

Thanks for reviewing it.

Cheers,

Juraj