"Version 3.1.3 is finalized. It will contain simplified wallet UI, improved interpreter for low-level smart contract language ErgoTree (as well as improved compiler from higher-level language ErgoScript to ErgoTree), and few bugfixes.
USD/ERG oracle is open-sourced and running, please run your own oracles: ERG/USD Oracle on top of Ergo / GitHub - sininen-taivas/ergo-oracle: An oracle posting ERG/USD price on the Ergo blockchain
Swapping is going on. Another one was yesterday, next on will be on Monday.
ProBit Exchange Lists Ergo: ProBit Global"
Update from Alex Chepurnoy