Upgrading from a version in front of the first or second
decimal point. ex: v 3.6 to v3.7 or version 2.0 to version 3.0 An upgrade
differs from an update in that major features have been added
Updating from a version beyond the second decimal
point. ex: v3.6.2 to v3.6.3. Updates are usually
maintenance releases as opposed to upgrades with added features