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GeezerVison is showing stackoverflow.com — Tour Collectives™ on Stack OverflowFind centralized, trusted content and collaborate around the technologies you use most. Learn more about CollectivesWelcome to Stack Overflow
Stack Overflow is a question and answer site for professional and enthusiast programmers. It's built and run by you as part of the Stack Exchange network of Q&A sites. With your help, we're working together to build a library of detailed, high-quality answers to every question about programming. We’re a little bit different from other sites. Here’s how: Ask questions, get answers, no distractionsThis site is all about getting answers. It’s not a discussion forum. There’s no chit-chat. Just questions... ...and answers. Good answers are voted up and rise to the top. The best answers show up first so that they are always easy to find. The person who asked can mark one answer as "accepted". Accepting doesn't mean it’s the best answer, it just means that it worked for the person who asked. Do Swift-based applications work on OS X 10.9/iOS 7 and lower?
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Will Swift-based applications work on OS X 10.9 (Mavericks)/iOS 7 and lower? For example, I have a machine running OS X 10.8 (Mountain Lion), and I am wondering if an application I write in Swift will run on it. Or what should I have to create a Swift application using Mac OS?
asked Jun 2, 2014 at 19:25
MeIr
7,33677 gold badges5555 silver badges8484 bronze badges 2 Answers
4
Swift code can be deployed to OS X 10.9 and iOS 7.0. It will usually crash at launch on older OS versions.
answered Jun 3, 2014 at 8:25
Greg Parker
8,01222 gold badges2727 silver badges2121 bronze badges
3
Apple has announced that Swift apps will be backward compatible with iOS 7 and OS X Mavericks. The WWDC app is written in Swift.
answered Jun 3, 2014 at 0:03
Ben Gottlieb
85.5k2222 gold badges181181 silver badges173173 bronze badges Get answers to practical, detailed questionsFocus on questions about an actual problem you have faced. Include details about what you have tried and exactly what you are trying to do. Ask about...
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Tags make it easy to find interesting questionsAll questions are tagged with their subject areas. Each can have up to 5 tags, since a question might be related to several subjects. Click any tag to see a list of questions with that tag, or go to the tag list to browse for topics that interest you. Do Swift-based applications work on OS X 10.9/iOS 7 and lower?
14
Will Swift-based applications work on OS X 10.9 (Mavericks)/iOS 7 and lower? For example, I have a machine running OS X 10.8 (Mountain Lion), and I am wondering if an application I write in Swift will run on it. Or what should I have to create a Swift application using Mac OS?
asked Jun 2, 2014 at 19:25
MeIr
7,33677 gold badges5555 silver badges8484 bronze badges You earn reputation when people vote on your postsYour reputation score goes up when others vote up your questions, answers, and edits.
John Doe
United States 245 3 22 74
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question voted up
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edit approved
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Improve posts by editing or commentingOur goal is to have the best answers to every question, so if you see questions or answers that can be improved, you can edit them. Use edits to fix mistakes, improve formatting, or clarify the meaning of a post. Use comments to ask for more information or clarify a question or answer. You can always comment on your own questions and answers. Once you earn 1 reputation, you can comment on anybody’s post. Remember: we're all here to learn, so be friendly and helpful!
9
Swift code can be deployed to OS X 10.9 and iOS 7.0. It will usually crash at launch on older OS versions. edit
answered Jun 3, 2014 at 8:25
Greg Parker
8,01222 gold badges2727 silver badges2121 bronze badges Swift sets some bits in the Objective-C metadata to mark Swift classes. libobjc in OS X 10.9 and iOS 7.0 was changed to ignore these bits in preparation for Swift's arrival. Older OS versions will be confused by these bits. - Greg Parker Jun 21, 2014 at 1:05
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