Sitecore 10.4.0 Release notes visually explained
1. Updated the media item duplication logic to resolve issues when deleting duplicates of a media item sharing the same blob. Now, duplicating a media item creates a duplicate of a blob. After upgrading to this version, you must run the /sitecore/admin/duplicates.aspx admin page to ensure all duplicate media items in your solution refer to a blob copy, not a shared one. See ADO no. 563054 in Resolved issues. I think this is more useful when you upgrade from earlier versions of Sitecore. The code-behind for the duplicates page, present in Sitecore.Client.dll, updates value field in ArchivedFields table based on a set of conditions. I will update this space with more details in coming days: For now, I created a package in earlier version of Sitecore by duplicating media items within a folder, and installed it in a Sitecore 10.4.0 instance. Next, I traversed to the new duplicates.aspx page and when I clicked the fix duplicates button the duplicates were resolved: On the other hand, when
