Currently when you create an update or import a catalog it does a full publish similar to what SCUP would do, and doesn't have any option to make this a Metadata Only publish.
Metadata only has a number of advantages, primarily being for items you only want to report on but don't want to remediate.
Comments: They are similar, which 149 being specific to only importing a catalog while this one is for publishing to WSUS a single update, a group of updates, or importing a catalog. So as long as they are merged with the intent of providing full Metadata Only publishing across the board that would be be great.
Metadata only has a number of advantages, primarily being for items you only want to report on but don't want to remediate.
Comments: They are similar, which 149 being specific to only importing a catalog while this one is for publishing to WSUS a single update, a group of updates, or importing a catalog. So as long as they are merged with the intent of providing full Metadata Only publishing across the board that would be be great.