0.16.1 has just been released. You can download it here. This is a minor release but it includes some really cool features and enhancements:
Text Query Family
A new family of queries called text. The aim with those is to simplify querying elasticsearch with regards to the analysis process (and should hopefully remove some confusion when using
More Analysis Options
All the analyzers (mainly around language analyzers) part of Lucene
3.1 are now exposed. On top of that, several token filters were backported from Lucene 4.0 (synonym and word_delimiter).
Minor additional enhancements (better global facets execution, custom boost per value for
string type, and more) and important bug fixes are part of this release. Upgrade is highly recommended.