- New image rescale between thumbnail and original (client/server) - Batch to regenerate all thumbnails (server) - Delete files on FS when a file in database is deleted (server) - Batch to delete unused files on FS (server) - Special criteria to search inside OCR-ed content (eg. full:uranium) (server) - Special criteria to search on a specific time span (eg. at:2013-06) (server) - Show help on special criterias (client)