Recieved new update on Nexus Player

While watching Netflix this morning my nexus player stopped playing and started to download new software update. I was hoping it was Android M, but after the update I checked and im still running Version 5.1.1, build LMY48N. I did a quick check to see if anything changed, but I havent found anything new. I will say the Nexus player seems more responsive.

Anyone else receive the update, and if so did you find anything new?