I have just manually added some items to my wishlist directly into their specific categories and there are no blue boxes around those new items. For what it's worth, I'm using Chrome, v. 43.0.2357.124 (64-bit)
They're cached, it'll probably take around 30 minutes for the blue boxes to show up.
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Thanks for the information, ! Everything is as it should be now! Please feel free to lock this up!