Carriers usually pre-install some apps containing their brand in the phones they sell, most of the apps will end up never being used as they are from services that you could get with other apps and with better performance, probably, but they take precious storage space and they don't look so good in a brand new phone. That's one of the advantages of the Nexus program, besides being able to enjoy the Android OS experience just as Google intended it, they were unbranded devices so no extra apps would be found. Las year, this program took a different approach and release the Nexus 6 with a screen that most users would consider too large and as the design is based on the Moto X, it includes a metallic frame and ended up costing more than what previous generations got us used to.
Then Motorola announced the second generation Moto X Pure edition, with identical specs of the Moto X, including a 5.2-inch AMOLED display with Full HD resolution, Qualcomm Snapdragon 801 quad-core processor with 2 GB of RAM, a 13-megapixel camera on the back and a 2-megapixel one on the front. Since it is available directly from Motorola's website, users can customize it with many back options and some more for the metallic accents, there's even a 64 GB storage option, unlike the regular Moto X that only offers 16 GB or 32 GB. The version of OS these devices run is as close as it gets to the unmodified version of Android, so that should make it easier to get the updates, but still, Android got delayed.
A few days ago, it was reported that the update was ready for some users, but there were others who already had it as part of the soak test. Now, David Schuster, the software product manager of Motorola has communicated through his Google+ account that the update has been "approved to start full deployment" in the US for the Moto X Pure edition (2014). The changelog remains the same as in the other Motorola's handsets that have received the update which weighs 440 MB. So check directly from your handset and the update should be available soon enough.