This just in: Important announcement from Codex CTO John Forrest on retiring the beta.
Now that Mainnet is live and battle-tested, well be deprecating our beta environment which still uses the old smart contracts in favor of deploying the fully audited contract code to the Ropsten and Rinkeby Testnets.
Johns outlined the updates and changes from Beta to Mainnet and what this means moving forward if you are still managing your assets on the beta network.
Read more about the changes here:
https://bit.ly/2E9r1yz 
Nice. The protocol is really coming along now, can't wait til its fully featured!