|A version of the macOS operating system|
The default desktop of OS X Yosemite.
|Closed source (with open source components)|
|October 16, 2014; 3 years ago (2014-10-16)|
|10.10.5 (Build 14F27) / August 13, 2015; 2 years ago (2015-08-13)|
|Mac App Store|
|APSL and Apple EULA|
|OS X 10.9 Mavericks|
|OS X 10.11 El Capitan|
|Apple - OS X Yosemite at the Wayback Machine (archived August 28, 2015)|
|Unsupported as of September 2017, iTunes support to end in August 2018, similar to Mavericks.|
OS X Yosemite was announced and released to developers on June 2, 2014 at WWDC 2014 and released to public beta testers on July 24, 2014. Yosemite was released to consumers on October 16, 2014. Following the Northern California landmark-based naming scheme introduced with OS X Mavericks, Yosemite is named after the national park.
All Macintosh products capable of running OS X Mountain Lion (v10.8.x) are able to run Yosemite as they have the same requirements. However, in order to take full advantage of the Handoff feature, additional minimum system requirements include a Mac with Bluetooth LE (Bluetooth 4.0). As with Mavericks and Mountain Lion, 2 GB of RAM, 8 GB of available storage, and OS X 10.6.8 (Snow Leopard) or later are required.
These are the models that are compatible with OS X Yosemite (with exceptions):
Yosemite introduced a major overhaul of OS X's user interface. Its graphics replaced skeuomorphism with flat graphic design and blurred translucency effects, following the aesthetic introduced with iOS 7. Some icons have been changed to correspond with those of iOS 7 and iOS 8. Yosemite maintains the OS X desktop metaphor.
Other design changes include new icons, light and dark color schemes, and the replacement of Lucida Grande with Helvetica Neue as the default system typeface. The Dock is now a 2D translucent rectangle instead of a skeuomorphic glass shelf, reminiscent of the Dock design used in early versions of OS X through Tiger and in iOS since iOS 7.
Many of Yosemite's new features focus on the theme of continuity, increasing its integration with other Apple services and platforms such as iOS and iCloud. The Handoff functionality allows the operating system to integrate with iOS 8 devices over Bluetooth LE and Wi-Fi; users can place and answer phone calls using their iPhone as a conduit, send and receive text messages, activate personal hotspots, or load items being worked on in a mobile app (such as Mail drafts or Numbers spreadsheets) directly into their desktop equivalent.
Notification Center features a new "Today" view, similar to that in iOS. The Today view can display information and updates from various sources, along with widgets. The widgets in the Today view are similar to those of iOS 8.
Spotlight is a more prominent part of the operating system; it now displays its search box in the center of the screen and can include results from online sources, including Bing, Maps, and Wikipedia. Stock applications such as Safari and Mail have been updated. In particular, many security features have been added to Safari, such as a custom history clearing option that lets users clear history, cookies, and other data from the previous hour, day, or two days. In addition, Apple added DuckDuckGo to its search offerings, a non-tracking search engine that doesn’t store users’ data. Safari allows you to remotely close tabs from an iOS device. Safari now supports browsing in private browsing mode with certain windows (as opposed to all the windows having to be either in or out of private browsing).
The green "zoom" button on windows now has a different function in applications that support full screen mode. Instead of simply enlarging the window, the button now enters full screen mode, eliminating the full screen button at the top right corner of windows that has been present since Mac OS X Lion. However, holding the Option key (⌥) while clicking the zoom button or double-clicking on the window chrome continues to invoke the original behavior.
Along with other framework changes, CloudKit was integrated in this release. CloudKit functions as a Mobile Backend as a Service (MBaaS) and is one method for App developers to integrate access to Apple’s iCloud servers into their apps.
There is a "dark mode" in System Preferences which makes the dock and menu bar darker.
Apple initiated a new public beta program for OS X, a practice not seen with its operating systems since 2000's US$29.95 Mac OS X Public Beta, which had preceded the release of Mac OS X v10.0. Yosemite is part of the OS X Beta Seed Program, a public program that allows the first 1 million users to download and test the Yosemite beta at no charge. Beta testers are required to acknowledge the potential risks involved with prerelease software, and sign a non-disclosure agreement (NDA). The program began releasing Public Betas on July 24, 2014. Six public betas of Yosemite were released.
|14A389||October 16, 2014||Darwin 14.0||Original Mac App Store release||N/A|
|14B25||November 17, 2014||About the OS X Yosemite v10.10.1 Update||OS X Yosemite 10.10.1 Individual update|
|14C109||January 27, 2015||Darwin 14.1||About the OS X Yosemite v10.10.2 Update||OS X Yosemite 10.10.2 Individual update
|14C1510 (Security Update 2015-002)||March 9, 2015||Security Update 2015-002 Yosemite|
|14C1514 (Security Update 2015-003)||March 19, 2015||Security Update 2015-003 Yosemite|
|14C2043 (Pre Security Update 2015-003)
||March 10, 2015||Shipped with Early 2015 MacBook Air – Forked build.||N/A|
|14C2513 (Security Update 2015-003)
||March 20, 2015|
|14D131||April 8, 2015||Darwin 14.3||About the OS X Yosemite v10.10.3 Update
This release unified the previously forked build for the early 2015 MacBook Air
|OS X Yosemite 10.10.3 Individual update
|14D136 (Supplemental Update)||April 16, 2015||Fixes issue with video driver issue that may prevent Mac from starting up when running certain apps that capture video.||OS X Yosemite 10.10.3 Supplemental Update 1.0|
|14E46||June 30, 2015||Darwin 14.4||About the OS X Yosemite v10.10.4 Update||OS X Yosemite 10.10.4 Individual update
|14F1509||August 13, 2015||Darwin 14.5||About the OS X Yosemite v10.10.5 Update||OS X Yosemite 10.10.5 Individual update
|14F2109||December 13, 2016||About the security content of Security Update 2016-007 Yosemite||Security Update 2016-007 Yosemite|
|14F2511||July 19, 2017||About the security content of Security Update 2017-003 Yosemite||Security Update 2017-003 Yosemite|
On release, Yosemite received mixed reviews, with users praising the simplified user interface. Programmer John Siracusa, who had reviewed every OS release, wrote for Ars Technica that "Yosemite is an aesthetic one-way valve... switching back to Mavericks after a week or two in Yosemite is like returning to iOS 6. Everything looks embarrassingly chunky, glossy, and gaudy." Macworld's review generally praised Yosemite for its design, but noted that it had found WiFi network issues and that Continuity had proved unreliable. While many reviews in the press praised the new design aesthetic, users were often left baffled with these statements. Widespread disagreement and contention could be found in the comment sections of articles discussing the design of the revamped interface. While some praised the changes as new and fresh, others complained about flattened, hard to distinguish buttons reducing usability. Other critiques concluded the new look to be generally ugly, bright, overly saturated, childlike, or comparing the aesthetic to 'Fisher-Price'.
As Yosemite entered general release and stability/performance problems on the initial release did not seem to have been resolved, an ongoing discussion began to develop among prominent developers and webloggers about Apple software quality and stability. (This issue may not have been noticed earlier since many initial-release reviewers review from betas, which are expected to contain some bugs, and therefore tend to focus on features rather than stability unless stability is still completely unacceptable at release date; wider use may also highlight some more obscure bugs.)
Yosemite faced particular problems with network stability and the
discoveryd DNS system. Because of this, Apple reverted
discoveryd back to the
mDNSResponder system (used in Mavericks) in 10.10.4. Another notable bug experienced on Yosemite was the 'unicode of death' problem, following a similar bug in 2013, in which a meaningless Arabic text string could crash applications using the system text-display APIs. Some users that upgraded to Yosemite complained that the Finder fails to show the contents of folders.
Software developers and users have argued that Apple's yearly release schedule and development practices have compromised stability, and meant that no version of OS X is truly recommendable for users requiring reliability above new user interface design and features.
Spotlight on Yosemite by default reports the user's current location (at the city level) and all their search queries to Apple and third parties. Reporting by Spotlight can be disabled by the user, although, even if this is done, the Safari web browser will continue to send search terms to Apple unless the function is separately disabled.
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OS X 10.9
|OS X 10.10
OS X 10.11