We are excited to announce the release of Elasticsearch 6.0.0-alpha2, based on Lucene 7-SNAPSHOT. This is the second in a series of pre-6.0.0 releases designed to let you test out your application with the features and changes coming in 6.0.0, and to give us feedback about any problems that you encounter. Open a bug report today and become an Elastic Pioneer.
IMPORTANT: This is an alpha release and is intended for testing purposes only. Indices created in this version will not be compatible with Elasticsearch 6.0.0 GA. Upgrading 6.0.0-alpha2 to any other version is not supported.
DO NOT DEPLOY IN PRODUCTION
You can read about all the changes in the release notes linked above, but some notable changes include:
significant_textaggregation which is like
significant_terms, but works on
textfields by re-analysing the
_sourceinstead of using masses of heap space for fielddata.
ip_range field typefield type allows you to index ranges of IPv6 and IPv6 addresses.
icu_collation_keywordfield type provides support for language specific sort orders.
- Work continues on removing support for multiple mapping types.
- The sequence number effort continues towards supporting fast replica recovery.