Droid Turbo new update started rolling out : New updates brings latest security patches and some performance related improvement to Droid Turbo, recently Verizon has stated rolling out a new update to the Droid Turbo from 2014.
These updates are give the big change on your smart phone expected some security and other patches. The Android version is remain same at Lollipop, meaning no Marshmallow, now there is no information about when they device get marshmallow update.
The new latest security update, it has just started rolling out. So it may be taken some time to OTA notification pops on your smart phone, or you can check manually by heading to your handset setting menu.