A number of versions of the Moto X have already received the Android 5.1 update. The latest model to score that OTA is the Moto X 2014 Pure Edition (unlocked). The update clocks in at 440MB in size, and it includes a number of bug fixes and features on top of the usual goodies included with this version of Lollipop.
In the image above we have included the full list of changes to the device with this new update. Sound off if you own this device and are already happily trying out the new features!
For further discussion regarding any version of the Moto X 2014, here's our dedicated section: Moto X 2014 Edition Android Forum at DroidForums.net
Source: Motorola