v9.47.0 was released yesterday (https://github.com/CounterpartyXCP/counterpartyd/releases).
In terms of upgrading the main novelty is that bitcoind must be patched and some config files changed.
Why? See http://support.counterparty.io/support/solutions/articles/5000506616-what-is-addrindex-and-why-is-it-necessary-
This KB article has additional details and a procedure for upgrading to v9.47:
http://support.counterparty.io/solution/articles/5000505729-counterparty-federated-node-and-counterpartyd-with-bitcoin-qt-and-addrindex-patch