Well, if you are using Nexus 5 devices then I guess you are sure to be getting Lollipop out by the end of this month anyway you haven't mentioned which Nexus device you are trying to get information for ....
According to the rumors, it's almost upon us! Gmail is my favorite updated app so far. Goodbye stock email app. When I added my other accounts to Gmail I was suddenly flooded with emails I had never seen before. ffff