Automator can now be used to manage multiple users and accounts across multiple devices with the use of a universal remote control. In versions 10.5.5, the Automator application got an enhanced version, which makes it easier to access different user preferences, options and settings for the Mac OS X operating system. The security measures of Mac OS X have been improved as the Mac operating system is expected to receive more security updates from Apple in the future.

Safari has also integrated a new security feature known as Privacy guard, which helps owners of Mac OS X computers to create a password and enable the feature to protect their online browsing data from being accessed by third parties. Safari features an improved graphics engine with greater image quality, and it is enhanced with the addition of Apple's new Core Animation engine that provides rich visual elements and highly optimized animations for Safari. For example, the version 10.5.6 has added support for the High Sierra platform which adds many new features to Apple's mobile operating system. Safari has been improved through several releases that have made it a more functional web browser.

The company's decision to release a browser for the Mac OS X operating system was meant to complement the company's iPhone, iPod touch and iPad devices, which run on the same technology as Safari but also on a bigger scale. Apple's Safari is the most popular web browser in the world. The major additions brought about by these upgrades are new features like Speed Dial, Mailbox, and Address Book enhancements. Safari, a web browser originally developed for the Mac OS X operating system, has received some updates in versions 10.5.2 of the Mac OS X.

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