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Since the announcement of CoreML at WWDC this year I have been very excited to get in and start researching all the capabilities of Apple's new machine learning framework. One of the ideas I had to test the capabilities of CoreML was to build a recommendation engine to provide users of an application with musical recommendations based upon a library of known selections. CoreML would be used in this recommendation engine to fit musical selections to a machine learning model called a linear regression model.

Now that WWDC 2017 has officially come to a close I thought I would write a follow up recapping my wishlist from my previous article, Attending WWDC 2017, and then talk about some of the other big developer announcements from this year as well.  First, let's recap Xcode command line tools.  Xcode 9 had a lot of really nice updates this year.

Looking ahead to the rollout of Swift 4 on Jun 5th at WWDC I have been scanning the Swift Evolution Github page to get a feeling of which of the proposals will make the cut for Swift 4 and which proposals will push ahead to later version of Swift 4.*.  One proposal in-particular that caught my attention was proposal 168, for multi-line string literals.

I see a lot of discussion on the internet about the usage of weak, and unowned objects in Swift.  Recently, I was involved in a thread on Stack Overflow discussing the proper usage of weak references and it occurred to me that since I see so much discussion about this topic it would be good to write a post detailing my understanding on the usage of weak references.

This year my employer, LexTech Global Services, offered to sponsor my trip to WWDC 2017 if I was lucky enough to win a ticket in the lottery - and I did!  I am very lucky to have received such a generous gesture on behalf of LexTech and it is very exciting from a technology perspective to be attending my first ever WWDC live and in person for many different reasons.