In Depth Mac OS X Leopard Review

ArsTechinca's John Siracusa posts an in depth review of Leopard, which refreshingly goes beyond the typical superficial glance at features. In fact, portions of the review may be too technical for the many readers, but does point out several under-the-hood improvements in Mac OS X 10.5 that may not be immediately obvious. Indeed, Siracusa summarizes the 17 page review:

As I've learned more about Leopard, it's become increasingly clear where, exactly, those two-and-a-half years of development time went. Leopard is absolutely packed with improvements. It seems that not a corner of the OS has gone untouched.

Perhaps that's not as clear to the casual user who just sees the surface changes and the major new features in Leopard. But even in that case, there's more than enough to recommend it. if you're wondering whether you should upgrade to Leopard, the answer, as it's been for every major revision of Mac OS X, is yes.

That being said, the review does touch on some aspects of Leopard's superficial changes, including the new standardized look of windows, changes in Finder behavior and the impracticality of Apple's current Stacks implementation:

There's just not enough room in a single Dock tile for a stack of icons to convey any meaningful information. Only the top one, two, maybe three items have any visual impact. And those few items may be misleading (e.g., the home folder appearing to be the Desktop folder) or completely generic (e.g., the Pictures and Movies folders showing up as plain folder icons.) Seriously, Apple, this is a bad idea.

Siracusa is, however, enthusiastic about Time Machine ("people will actually use") and describes steady and significant improvements in Mac OS X's performance and responsiveness. Leopard's kernel is also said to be better about scheduling processes, allowing you to make better use of multi-core CPUs.

Of technical interest, the article explores Leopard's implementation of DTrace to assist in debugging, the full transition to 64-bit, and the full adoption of Cocoa:

The last vestiges of the original Macintosh API are finally being put to rest. They've done their job and are being given a decent burial, I think. A slow, almost natural transition. Bugs will be fixed in the 32-bit Carbon APIs, of course, but no new features will be added. All new GUI APIs in Leopard and future Mac OS X releases will be added as Cocoa-only APIs.

This transition, of course, affects some of Apple's biggest developers (such as Microsoft and Adobe) who have a large library of Carbon code for their applications.

A lot of groundwork has also been laid towards implementing resolution independence, though even Apple's implementation across their own applications is thus far inconsistent. Full Resolution Independence support as a user-accessible feature is not expected until 2008. But this should allow Apple to introduce super-high-resolution displays and provide a consistent user experience.

The full review is worth reading if you have an interest in Mac OS X Leopard.

Popular Stories

iOS 16

Apple Releases iOS 16.0.2 With Bug Fixes for iPhone 14 Pro Camera Vibration, Copy/Paste Issue and More

Thursday September 22, 2022 1:04 pm PDT by
Apple today released iOS 16.0.2, addressing a number of bugs that iPhone 14 owners have been experiencing since the new devices launched. iOS 16.0.2 comes two weeks after the launch of iOS 16, and it follows iOS 16.0.1, an update made available to iPhone 14 owners on launch day. The update is available for all iPhones that are capable of running iOS 16. The iOS 16.0.2 update can be...
apple watch series 7 aluminum colors yellowbg

Don't Want the Apple Watch Ultra or Series 8? Amazon Has Record Low Prices on Series 7 Models This Week

Friday September 23, 2022 6:56 am PDT by
The Apple Watch Series 8 and Apple Watch Ultra are now available to purchase, but if you aren't interested in these updates you can save a lot of money on Series 7 models right now on Amazon. Note: MacRumors is an affiliate partner with Amazon. When you click a link and make a purchase, we may receive a small payment, which helps us keep the site running. The best deals are on cellular...
Dynamic Island For Android Users Feature

Android App Copying iPhone 14 Pro's Dynamic Island Released on Play Store

Thursday September 22, 2022 7:57 am PDT by
A copycat version of the iPhone 14 Pro's Dynamic Island has arrived on Android's Google Play Store in the form of an app called "dynamicSpot." The app, still in beta, offers customers several different experiences at the top of their smartphones. In its current form, dynamicSpot offers playback control for songs, timers, battery status, and more features coming soon, according to the app's...
maxresdefault

Video Review: Four Days With the iPhone 14 Pro Max

Wednesday September 21, 2022 7:49 am PDT by
Apple on Friday released the new iPhone 14 models, and MacRumors videographer Dan picked one up on launch day. He's been using the iPhone 14 Pro Max non-stop since it came out, and over on the MacRumors YouTube channel, has shared his initial thoughts on the day-to-day experience with the latest iPhone. Subscribe to the MacRumors YouTube channel for more videos. Dan's mini review highlights...
14 vs 16 inch mbp m2 pro and max feature 1

New 14-Inch and 16-Inch MacBook Pros Reportedly Launching Later This Year

Friday September 23, 2022 7:08 am PDT by
Apple plans to release new MacBook Pro models in the fourth quarter of 2022, according to supply chain publication DigiTimes. The report does not mention specific models, but it very likely refers to the next-generation 14-inch and 16-inch MacBook Pros given that the 13-inch model was already updated earlier this year. There has been uncertainty surrounding the timing of new 14-inch and...
facebook meta

Meta Sued Over Tracking iPhone Users Despite Apple's Privacy Features

Thursday September 22, 2022 5:12 am PDT by
Meta is facing a new proposed class action lawsuit that accuses it of tracking and collecting the personal data of iPhone users, despite features and policies made by Apple which are meant to stop that same type of tracking. In August, it was revealed that with the Facebook and Instagram apps, Meta can track all of a user's key taps, keyboard inputs, and more, when using the in-app browser....
AirPods Max 2022 Colors

Ten Things AirPods Pro 2 Tell Us About AirPods Max 2

Saturday September 24, 2022 1:00 am PDT by
Upon the release of the second-generation AirPods Pro, the AirPods Max became the oldest current-generation AirPods product still in Apple's lineup. Introducing several new features like Adaptive Transparency and the H2 chip, the second-generation AirPods Pro may provide some of the best indications yet of what to expect from the second-generation AirPods Max. Almost two years later, rumors...
new airpods pro ear tips

Apple Explains Why Second-Generation AirPods Pro Ear Tips Are Incompatible With Original AirPods Pro

Thursday September 22, 2022 3:12 pm PDT by
Apple today explained why the new silicone ear tips for the second-generation AirPods Pro are not officially compatible with the original AirPods Pro. In an updated support document, Apple said the original AirPods Pro ear tips have "noticeably denser mesh" than the second-generation ear tips. Apple did not provide any additional details, but the mesh density could result in acoustical...
AirPods Pro Second Generation 2 Pairing Feature 1

AirPods Pro 2 Engravings Appear in iOS During Pairing and Connecting

Friday September 23, 2022 9:40 am PDT by
Customers who personalize their second-generation AirPods Pro charging case with an engraving will now have that engraving reflected directly on iOS as they pair and connect their AirPods Pro. Apple allows customers to personalize their AirPods Pro charging case with a special engraving that can include select emojis and Memojis. Unlike before, starting with the second-generation AirPods...