I am in the last tutorial of the swift 3 version. Wondering if it’s worth waiting for the swift 4 version so I don’t spend time learning the older version and the Xcode 8 
- Sekar
@sekarb Thanks very much for your question! The best thing to do is check back periodically on the site for updates. Every day we release new tutorials so if you’re a regular visitor, you will know when the new update will be released. Having said that, you are definitely not wasting your time going through the current book at all for Swift 3. The differences between Swift 3 to Swift 4 is NOT as dramatic as the changes from Swift 2 to Swift 3, so please do continue working through the book. The book is still beneficial, and the new versions are still in beta so the best thing to do is ensure that you’re still learning. 
I hope this helps!
All the best!
Thank you for the reply
@sekarb You’re very welcome!
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