The update of Mac OS X Mountain Lion includes a variety of improvements, many of which are focused on social networking functions such as Facebook and Twitter and also Game Center, the iOS gaming service for sharing scores with other online players. If you're a macOS Mountain Lion user, you should know that an update that improves the previous version is now available. This is why it is advisable to update it, as you will find new features have been added and errors corrected regarding the out-of-date version.
Time goes by for everyone, and that includes your Mac's operating system.