Marshmallow for recent Samsung devices

Google has Android 6.

On the list of the website provides, among other Galaxy S6 , S5 and the Note 4 and 5. Over older devices is not mentioned and the chances are high that users of those devices have no update for Marshmallow. Incidentally, the list does not mean that it is 100 percent certain that all these Samsung devices get the update indeed. Marshmallow when Samsung will roll out is not known.