As a SITECORE USER editing meta data in fields of type "AssetList", they would like to be able to select multiple assets, when using the "Edit List" functionality, because it will ease the work load if having to add many assets.
How to access the new implementation
Through content editor or experience editor. Locate a content page with a DAM for Sitecore field "AssetList" and click Edit list. The Asset browser opens in multi select mode.