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I don't remember seeing any dimension changes in the new MBP... and the protector doesn't go over the sides of the machine - so it wouldn't have a chance to cover up the I/O's (assuming that at a worst case scenario that their arrangement is slightly different)

Hope this helps
 
Everything should fit. There was no real major design changes that were made to the new Macbook Pros. If there is any real problem if you purchase it just return it back to the store.
 
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