OS X 10.9 Mavericks

OS X 10.9 Mavericks 10.9.5

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The new version of OS X for Mac

OS X 10.9 Mavericks supersedes OS X 10.8 Mountain Lion and is the first version of OS X to be free. Although it doesn't introduce any revolutionary changes to OS X, it includes some nice features, especially for fans of iOS, Maps and iBooks.
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  • Apple Maps
  • iBooks
  • Tabbed Finder
  • Support for Multiple Desktops
  • Improved iCloud integration


  • May create incompatiblity problems with apps
  • New features mainly taken from iOS


OS X 10.9 Mavericks supersedes OS X 10.8 Mountain Lion and is the first version of OS X to be free. Although it doesn't introduce any revolutionary changes to OS X, it includes some nice features, especially for fans of iOS, Maps and iBooks.

Maps comes to OS X

The launch of Apple Maps on iOS wasn't exactly covered in glory but some of the problems that plagued it on launch have been ironed out and now Mac users have a useful alternative to Google Maps. Obviously, Maps isn't as useful on a Mac as it is on an iPhone or iPad (unless you like to navigate around town carrying your Mac), but it is useful for planning itineraries and journeys which you can then sync with iCloud for using instantly on your iPhone or iPad.

Read iBooks on your Mac

Another iOS feature that's arrived on Mac is iBooks. Now you can read anything that you've downloaded with iBooks on your iPhone or iPad on your Mac. Again, reading books on a Mac isn't exactly the most popular pursuit for many users but for students and academics, it can be a useful took when it comes to writing essays and quoting textbooks. And with iCloud, iBooks always remembers which page you were on no matter which device you are using.

Enhanced Calendar, Keychain and Safari

Most of the other changes in Mavericks concern system enhancements such as an improved Calendar, iCloud integration for Keychain and usability improvements to Safari. Calendar now features more ways to inspect and overview your schedule and iCloud now remembers your login details for your favorite sites. Meanwhile Safari has been integrated with Twitter and LinkedIn so you can see updates from your contacts in the sidebar without visiting the sites or using a separate client. Apple also claim it offers a speedier, snappier web surfing experience than previous versions.

Tabbed Finder, Multiple Desktop support

Other cosmetic improvements include the long overdue tabbed browsing in Finder, although this is already possible with various third party add-ons. Those who regularly connect their Mac to another screen or monitor will welcome the new Multiple Screen support feature which allows you to run multiple desktops and Docks, not just an expanded desktop as is currently possible. Those who like to connect their Mac to their HD TV with a HDMI cable, can now use AirPlay to connect wirelessly instead either for use as an extra large screen or to watch movies.

An all-round faster OS X

Like every new release of OS X, there are also improvements to the overall general speed of OS X courtesy of improved memory management and a new feature called App Nap which aims to conserve processor use and battery life for MacBooks. Although recent versions of OS X seem to have solved operating speed issues, if you find your current versions is lagging then upgrading to OS X 10.9 Mavericks may well solve your problems. Note however that if you rely on major applications such as Photoshop or Parallels to work on your Mac, you should probably wait before upgrading to OS X 10.9 Mavericks as there will inevitably be compatibility issues with various applications on launch.

A modest improvement to OS X

OS X 10.9 Mavericks continues the closer integration of OS X with iOS which started in earnest with Mountain Lion. If you're an iPad or and iPhone user then Mavericks is definitely worth upgrading to, especially if you're a frequent Maps or iBooks users. Other users will see less need to upgrade but there are general usability improvements that consolidate OS X as an excellent operating system.


  • Adds the ability to make and receive FaceTime audio calls
  • Adds call waiting support for FaceTime audio and video calls
  • Adds the ability to block incoming iMessages from individual senders
  • Improves the accuracy of unread counts in Mail
  • Resolves an issue that prevented Mail from receiving new messages from certain providers
  • Improves AutoFill compatibility in Safari
  • Fixes an issue that may cause audio distortion on certain Macs
  • Improves reliability when connecting to a file server using SMB2
  • Fixes an issue that may cause VPN connections to disconnect
  • Improves VoiceOver navigation in Mail and Finder
  • Provides a fix for SSL connection verification

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User reviews about OS X 10.9 Mavericks

  • douglas.fonley

    by douglas.fonley

    "I think they finally out did windows 8."

    What do I think about 10.9 Mavericks? In a word not much. They ought to admit they messed up and shoot that dog. or...   More.