via
David Schuster on Google+ -
Release notes:
https://motorola-global-portal.custhelp.com/app/answers/detail/a_id/98449/action/auth
ENHANCEMENTS
This Moto X software update is for all Verizon users. After installing the software update you will notice some bug fixes and changes, including:
Printing documents and pictures: Added support for printing photos, Google Docs, GMail messages, and other content via Wi-Fi, Bluetooth and hosted services like Google Cloud Print and HP ePrinters.
Improved battery life: Fixed bugs which caused a small number of users to experience shorter battery life after upgrading to Android 4.4.
Fixed email sync delays: Fixed a bug that could cause email services like Microsoft Exchange to experience intermittent delays in data synchronization.