Tech Topics

Elasticsearch 0.90.1 Released

The Elasticsearch dev team are pleased to announce the release of Elasticsearch 0.90.1, which is based on Lucene 4.3. You can download it here.

We highly recommend upgrading to 0.90.1 from 0.90.0 as this release includes some key bug fixes, notably a fix to the bool filter which could produce incorrect results (#2979) and a fix to the DFS search types (#3012).

Besides the bug fixes, 0.90.1 also has some nice new features and enhancements, especially:

  • New APIs for aliases, including the ability to retrieve specific aliases more efficiently (#3075, #3076, #3077 , #3100
  • The Bulk API now supports update requests (#2982)
  • Parent-child documents require much less memory than before - only the parent IDs need to be loaded to memory, not the child IDs (#3028)
  • You can now GET just the _source field (without the _index, _type, _id metadata) using GET /index/type/id/_source (#2993, #2995)

There are many more changes which you can read about on the issues list. Please download and use 0.90.1, and let us know what you think.

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