Not sure why they are not getting updated. You can try deleting the folder but do not select to remove the files from the library then add the folder again to see if the thumbnail is updated.
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Not sure why they are not getting updated. You can try deleting the folder but do not select to remove the files from the library then add the folder again to see if the thumbnail is updated.
No, I mean in the Mezzmo library right-click on the folder and select to delete it and this will remove it from the library (make sure not to select to remove files from the library). Then you can add the same folder again. This should force Mezzmo to re-create the folder thumbnails. All of the media files will already exist in the library so they won't be added again, just the folder structure.