I)Some metadata components might not yet be available in Metadata API, so they have to be migrated manually. II)It ensures that the developers have met the design specifications. III)It's useful to keep track of which metadata components are used most frequently in releases. IV)The team changing the most metadata components wins! [bg_collapse view="button-orange" color="#4a4949" expand_text="Show Answers" collapse_text="Close Answer" ] I)Some metadata components might not yet be available in Metadata API, so they have to be migrated manually. [/bg_collapse]