In the event you are the owner of a Google Play Edition Moto G, your Android 5.1 Lollipop update has started rolling out.
The build rolling out to your phone is LMY47M and the OTA clocks in at 171 MB. As for what is new, you get all of the various goodies that Google has added in 5.1 with the basic stock Android experience similar to Nexus phones.
The rollout seems to have just began, so do not fret if your handset hasn’t received the update yet, it should reach to every device in couple of days. In case you are too impatient, just download and flash the OTA utilizing the below Google’s server link.