Stubby is the name given to a mode of using getdns which enables it to act as a local DNS Privacy stub resolver (using DNS-over-TLS). Stubby encrypts DNS queries sent from a client machine (desktop or laptop) to a DNS Privacy resolver increasing end user privacy. Stubby is in the early stages of development but is suitable for technical/advanced users. A more generally user-friendly version is on the way!
It is recommended to use the latest release of the 1.1 version of getdns to have the most up to date version of Stubby.
In this mode Stubby (getdns) does several things