The Widget ID menu (at the bottom of the Composition Tree in Composer) allows you to update or change versions of the Widgets in your Composition.
Widget ID Menu
Changing a Widget Version
Select the dropdown menu and choose the version you'd like to work with. You'll typically want to work with the "published" version.
Selecting Widget version in Widget ID Menu
Upgrading Widget to Latest Version
To upgrade a Widget to the latest version, select the upgrade icon next to the Widget version dropdown menu (pictured below)
Upgrade Widget to Latest Version