We've been making an effort to release on a monthly basis, and that should continue for as long as there are changes[1] worth releasing. This month it's 0.6.5[2].
Upgrades are expected to go smoothly, but if you have problems, then do let us know[3]. Thanks. [1]: http://bit.ly/bdEu0g [2]: http://cassandra.apache.org/download [3]: https://issues.apache.org/jira/browse/CASSANDRA -- Eric Evans eev...@rackspace.com