Is 3.4.8 backward compatible with 3.4.6 cluster?

[Dillian Murphey]

Running a 3 node cluster of 3.4.6.

 Can I mix 3.4.8 with 3.4.6? I want to keep the cluster up by upgrading 1
node at a time. So there will be a mix of versions for a short period of
time.