Since WordPress 3.7 updates, most of the WordPress installations are able to run and apply all new updates in background. Background Update Tester is the new WordPress plugin that tests your WordPress site for compatibility issues and explains if problems are found.
Installation & Usage: Install and activate Background Update Tester. After activation visit your admin area Dashboard → Update Tester screen. If you are using WordPress multisite network the visit Updates → Update Tester in the network admin dashboard.