The latest update to the MongoDB 4.0 series, MongoDB 4.0.12, is now available for download from the download center, offering a recommended upgrade for all users of the 4.0 series. This version includes fixes such as ignoring filter expressions that are not objects in findAndModify operations and resolving cyclic dependencies caused by recent service file changes. The release notes provide detailed information on all the fixes addressed in this update, and users can access more features and documentation through the MongoDB 4.0 Manual and community resources.