did you guys just get a new 5.1 version on ASOP?

[systemofadown1]

I'm keeping my eyes open for 5.1 on the Nexus 9 but notice the 6 has two versions of 5.1 now

 

[srkmagnus]

I'm keeping my eyes open for 5.1 on the Nexus 9 but notice the 6 has two versions of 5.1 now

The Nexus 9 5.1 is not available yet. It should be available soon via the factory images and OTA. Keep an eye on the AC front page for further information related to it's release.