LG G3 D855 Marshmallow update?

Hey guys im probably miasing out i dont really check the g3 news or xda but i do know there's marshamallow update coming out to g3 already.

Im using the D855 version and when i check the updates on the update center it shows me this.👇

The latest updates on phone is the 2014 version. Its not showing the marshmallow update is it because my device is rooted?

Or its just that D855 hasnt received the mm update yet?

Thanks

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