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6. Juni 2017Product release

Elasticsearch 6.0.0-alpha2 released

Clinton Gormley

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

Also see:

Elasticsearch 6.0.0-alpha1 released

You can read about all the changes in the release notes linked above, but some notable changes include:

The significant_text aggregation which is like significant_terms, but works on text fields by re-analysing the _source instead of using masses of heap space for fielddata.
The new ip_range field type field type allows you to index ranges of IPv6 and IPv6 addresses.
The new icu_collation_keyword field 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.

Conclusion

Please download Elasticsearch 6.0.0-alpha2, try it out, and let us know what you think on Twitter (@elastic) or in our forum. You can report any problems on the GitHub issues page.