The next major release of the OpenStack public, private and hybrid cloud computing platform, dubbed Havana, is now out. If you think this is just an incremental release, check out the huge list of contributors at the bottom of this page. The eighth release of the platform has more than 400 new features.
There are security enhancements, new services such as metering and orchestration, and enhancements to existing services including global clusters for object storage and QoS capabilities for block storage.