Ticket #25887: 25887.patch

src/wp-admin/includes/update.php

@@ -364 +364 @@
                  * This flag is cleared whenever a successful update occurs using Core_Upgrader.
                  */
                 $comparison = ! empty( $failed['critical'] ) ? '>=' : '>';
-                if ( version_compare( $failed['attempted'], $wp_version, '>=' ) )
+                if ( version_compare( $failed['attempted'], $wp_version, $comparison ) )
                         $nag = true;
         }