Rethinking OS X

The original interface for iOS was inspired by Apple's Aqua UI, with skeuomorphic elements that mimicked real world objects. Computers have always mimicked the real world to a degree. They have buttons you press, and knobs you turn. The entire desktop metaphor is really just a digitization of the real world office with folders, documents, and a trash can. As computers have evolved and people have become more familiar with them, this overall metaphor has remained for the most part. But many of the visual elements that previously mimicked these real world objects could be simplified to copy in function, but not design. Users who are familiar with computers no longer need a distinct outline and heavy shading to recognize that a button is something they click or tap. They don't want their Calendar and Reminders applications to have leather borders, stitching, and paper like their calendar and date book in the real world, because doing so confines them to the limitations of those physical objects. 

 

iOS 7 was in a sense a rebirth of iOS. The interface that had existed for six years was entirely redone. Core design elements like the homescreen remained, but everything was given a new visual style that eliminated skeuomorphism and ushered in a new era with a new design philosophy for Apple. This style of design is fairly well understood now. iOS makes heavy use of translucency and color. Each application has a primary color throughout which is indicated on its icon. Calendar uses red, Notes uses yellow, etc. With all these massive changes, the future of the design of OS X was uncertain. 

One month after we got iOS 7, we got Mavericks. Mavericks was not the major overhaul that iOS 7 was. The visual elements of the operating system were very much the same as previous versions. This can simply be attributed to a lack of engineering resources. Apple's work to redesign iOS most certainly would have began after the departure of Scott Forstall which occurred after the release of iOS 6. Redesigning iOS in less than a year was quite an accomplishment, even with the bugs that were brought along with such a major change. It would have simply been impossible to do the same for OS X within the same period of time. 

However, the design in Mavericks did not stand still. While the interface remained the same for the most part, many key applications that implemented skeuomorphic interfaces were redesigned. The leather and stitching was ripped out of apps like Calendar and Notes. The linen was removed from Notification Center and the login screen. These changes were the beginning of the path to what we have now with Yosemite.

For someone used to older versions of OS X, the above interface may seem like a shocking change. But for people who have been exposed to newer versions of iOS, it will actually feel quite familiar. The use of translucency, the flatter interface, and the new system font all draw upon the design principles that were established with iOS 7. It's important to understand what is meant by that. Apple is not establishing a common interface across their devices. OS X and iOS are not the same, and Apple has shown no interest in making them the same. What they are doing is using the same method of design, and the same type of interface elements, to create an experience across those two different operating systems that feels seamless and unified without having to compromise one to fit within the limitations of the other.

I was a fan of Apple's design direction with iOS 7, and so the same has held true for Yosemite. The use of translucency allows the customization of your wallpaper to have an impact on the appearance of the entire operating system. The status bar, the Dock, Launchpad, and any other window that uses translucency can look very different based on the wallpaper that is chosen. Using the new interface tends to have an interesting effect on the user by revealing how dated many parts of the older interface had become. Even users who enjoyed the older design will quickly find themselves questioning how they ever used such a dated interface. It's the same reaction I observed when the iOS userbase moved to iOS 7.

Usability and UI Performance

When the new design of Yosemite was revealed at WWDC 2014, some users voiced concerns that the new design would reduce clarity due to its lighter weighted fonts and heavy use of blur and transparency. On a typical 23" 1080p monitor I haven't noticed any issues reading text that uses the new system font which seems to be a modified Helvetica Neue, but I can see how it may be an issue on non-retina Macbooks where the viewing distance from the display is smaller than a desktop monitor. The blur is also well implemented to preserve legibility. Only the currently active window has the blur effects and transparency enabled. These sections turn opaque when a window is not being used, which means there are not layers upon layers of blur making it difficult to read any text on top of it.

For those who do find that some of the new design choices affect their ability to read or see things, Apple does provide a number of options for accessibility and visual customization. New additions include "Reduce transparency" which removes the translucency effects across the OS, and "Use dark menu bar and Dock" changes the white translucent material in the status bar, the Dock, and Spotlight Search to a black translucent material similar to Notification Center. I tried using the dark mode but I quickly reverted to the original design because the dark menu bar and Dock looked out of place amongst all the white and grey in the rest of the interface.

One issue I have observed with the blur is that windows will show the desktop wallpaper in addition to the applications between which should be blocking the wallpaper from showing through. As you can see above, despite me putting a completely opaque white box behind the calculator, there is still an area with an orange tint in the center. Removing the white reveals that the desktop has the same pattern. During the beta cycle the transparency would only display the wallpaper, and so there was a fix implemented but it introduced a problem of its own. I have seen complaints from other users about this issue, so hopefully it will be remedied in an upcoming update.

Performance is another area of concern with a new design and graphically demanding visual effects like translucency. I have noticed decreases in UI framerate compared to OS X Mavericks based on measurements with Quartz Debug. Overall the OS runs fairly well, but I would be lying if I said it didn't have its issues. Some scrolling lists will regularly drop to somewhere between 30 and 40fps. Scrolling performance in Notification Center is inconsistent, with performance closer to 60fps at some times, and closer to 30fps at others. The worst case I have encountered is the animation for Mission Control which has dropped as low as 5fps when many applications are open. Going forward it will be interesting to see how quickly and to what degree these issues are fixed by Apple. 

Introduction Notification Center and Spotlight Search on OS X
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  • Impulses - Friday, October 31, 2014 - link

    Clearly that just means you're a shill, doing it for the money rather than the love of all things out of Cupertino.

    jk
  • KoolAidMan1 - Monday, October 27, 2014 - link

    Its all because not enough negative things were said, right?

    Middle aged fanboys and their unfulfilled negativity quotas, how sad...
  • retrospooty - Monday, October 27, 2014 - link

    Generally speaking tech articles will list the good and bad and diplay it for the user to determine what fits best. I honestly cannot recall the last time I saw anything at Anandtech on the neg. 1/2 of that equation with regards to Apple products... And there has been quite of that alot lately... Anandtech? Amazingly quiet.

    But, drink on kool aid man. Your name says it all.
  • KoolAidMan1 - Tuesday, October 28, 2014 - link

    Or maybe all the positive reviews you see on the internet are because its actually good?

    Your love of conspiracies rivals 9/11 truthers
  • retrospooty - Tuesday, October 28, 2014 - link

    OR MAybe I see all of the negative reports of the heinous slowness IOS8 has caused and the various other problems and bugs that go along with it... My once nice iPad 4 is now slower scrolling through web pages than my old Droid3 w/OMAP CPU on Gingerbread FFS. Then I read an article at a once great tech site that has been my home page for over 15 years and see "Its a little bluebird on my shoulder".

    I am not calling that a conspiracy, but it is a very one sided take on things... Which as I said is par for the course at Anandtech for the past several years. If you cant see that then you are far too biased to even talk about it... Oh wait... n/m
  • Brett Howse - Tuesday, October 28, 2014 - link

    Let's be fair here this is right from Brandon's iOS8 review: "Given that the iPad 3 I have for testing falls into both the Apple A5(X) camp and the iPad camp, I won't be updating it to iOS 8. While the new features like SMS Relay will be nice, the missing features and issues like keyboard lag outweigh the benefits of updating."
  • KoolAidMan1 - Tuesday, October 28, 2014 - link

    The iPad Air was my first one. It runs everything great in iOS 8, totally fast and smooth.

    I can't speak for your two year old hardware. I know my GS3 from the same year was choppy and slow right when I bought it, wifi was bugged after an update, and so on. Brainwashed apologists deflect that but whatever.

    Nothing is perfect, even your precious, but try and keep your head together.
  • retrospooty - Wednesday, October 29, 2014 - link

    It doesn't require you to "speak to" it. It's all over the place. The slowness, the apps crashing, even on the pliant 6 and 6 plus.
  • KoolAidMan1 - Wednesday, October 29, 2014 - link

    iPhone 6 here, solid. No slowness, no stutters, no crashing. Oh, right, I must be lying...

    And you're still going with the bendgate thing when only dozens out of tens of millions of units have bent?

    Suckers that feed on news cycles are funny.
  • KoolAidMan1 - Wednesday, October 29, 2014 - link

    By the way, I just Googled for "bent iPhone" to see how big it is. The stories run from September 25th to October 1st, then nothing.

    Only a couple dozen out of tens of millions of units have bent. If this was actually a problem then it would still be a part of the news cycle, maybe even a recall.

    I changed my mind. Middle aged fanboys desperately grasping at dead news stories from a month ago are what's actually funny.

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