Wednesday, July 20, 2011 9:31:27 PM
Mac OS X 10.7 Lion: the Ars Technica review
By John Siracusa | Published about 12 hours ago
Mac OS X 10.7 was first shown to the public in October 2010. The presentation was understated, especially compared to the bold rhetoric that accompanied the launches of the iPhone ("Apple reinvents the phone") and the iPad ("a magical and revolutionary device at an unbelievable price"). Instead, Steve Jobs simply called the new operating system "a sneak peek at where we're going with Mac OS X."
Behind Jobs, the screen listed the seven previous major releases of Mac OS X: Cheetah, Puma, Jaguar, Panther, Tiger, Leopard, and Snow Leopard. Such brief retrospectives are de rigueur at major Mac OS X announcements, but long-time Apple watchers might have felt a slight tingle this time. The public "big cat" branding for Mac OS X only began with Jaguar; code names for the two earlier versions were not well known outside the developer community and were certainly not part of Apple's official marketing message for those releases. Why bring the cat theme back to the forefront now?
The answer came on the next slide. The next major release of Mac OS X would be called Lion. Jobs didn't make a big deal out of it; Lion's just another big cat name, right? Within seconds, we were on to the next slide, where Jobs was pitching the new release's message: not "king of the jungle" or "the biggest big cat," but the "back to the Mac" theme underlying the entire event. Mac OS X had spawned iOS, and now Apple was bringing innovations from its mobile operating system back to Mac OS X.
Apple had good reason to shy away from presenting Lion as the pinnacle that its name implies. The last two major releases of Mac OS X were both profoundly shaped by the meteoric rise of their younger sibling, iOS.
Steve Jobs presents the first seven releases of Mac OS X in a slightly unusual format
Leopard arrived later than expected, and in the same year that the iPhone was introduced. Its successor, Snow Leopard, famously arrived with no new features, concentrating instead on internal enhancements and bug fixes. Despite plausible official explanations, it was hard to shake the feeling that Apple's burgeoning mobile platform was stealing resources—not to mention the spotlight—from the Mac.
In this context, the name Lion starts to take on darker connotations. At the very least, it seems like the end of the big cat branding—after all, where can you go after Lion? Is this process of taking the best from iOS and bringing it back to the Mac platform just the first phase of a complete assimilation? Is Lion the end of the line for Mac OS X itself?
Let's put aside the pessimistic prognostication for now and consider Lion as a product, not a portent. Apple pegs Lion at 250+ new features, which doesn't quite match the 300 touted for Leopard, but I guess it all depends on what you consider a "feature" (and what that "+" is supposed to mean). Still, this is the most significant release of Mac OS X in many years—perhaps the most significant release ever. Though the number of new APIs introduced in Lion may fall short of the landmark Tiger and Leopard releases, the most important changes in Lion are radical accelerations of past trends. Apple appears tired of dragging people kicking and screaming into the future; with Lion, it has simply decided to leave without us.
Table of Contents
Installation
Reconsidering fundamentals
Lion's new look
Scroll bars
Window resizing
Animation
Here's to the crazy ones
Window management
Application management
Document model
Process model
The pitch
The reality
Internals
Security
Sandboxing
Privilege separation
Automatic Reference Counting
Enter (and exit) garbage collection
Cocoa memory management
Enter ARC
ARC versus garbage collection
ARC versus the world
The state of the file system
What's wrong with HFS+
File system changes in Lion
File system future
Document revisions
Resolution independence
Applications
The Finder
Safari
Grab bag
System Preferences
Auto-correction
Mobile Time Machine
Lock screen
Emoji
Terminal
About This Mac
Recommendations
Conclusion
http://arstechnica.com/apple/reviews/2011/07/mac-os-x-10-7.ars
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