Motorola is working on Android 6.0 update for their devices launched this year and last year. On Tuesday (December 8, 2015) they have updated the list for phone getting Android M update and also added Moto E 4G. Some carriers in USA start rolling out M update for Moto X Pure edition.
Moto X Pure start getting android update for Verizon, Sprint and US Celluar user as revealed by David Schuster the senior director of Motorola on google play.He also added that Motorola has commenced soak test for Moto X Play and Moto X Force. The Android M update has also started for Moto X Pure Edition in India but with no news of when the other variant of Moto X Pure gets the latest software upgrade in USA.