Bitfinex has some new developments in the pipeline. They announced and have stated now in this Hangout that there are plans for:
- Ethereum margin lending
- Ethereum margin trading
- Lower margin requirements in low volatility
- Euro pairs in addition to USD
- Enhanced Margin Funding system that allows more flexibility for providers
Here you can see the 2-hour longBitfinex hangout video which interviews about their API and general exchange development topics: