This update is rolling out only for the Verizon users. It is a  very important hotfix update which addresses many bugs present on the previous build. The update is being rolled out as an OTA. If you own a Verizon Moto E6, chances are there that you may have already received the update.  You can manually check for the update notification by heading to Settings »About phone»System updates.

Nowadays, the after-sale service is very important. Most of the manufacturer know this that’s why now all of them have levelled up their game.  All the major manufacturers are releasing regular updates both the major feature updates as well as the security updates to their devices.

About Moto G6 PDSS29.118-15-11-5

Device Name: Moto G6 Model: XT2005-1PP Codename: surfna Android version: Android Pie Region: The USA Build Number: PCBS29.73-81-4 Android Security Patch Level: 1 December File Size: Unkown (Full Firmware)

Source

Verizon Moto E6 Gets December 2019 Patch Update  PCBS29 73 81 4 and PVT  - 30