Apache Lucene 9.0

It is an extreme pleasure to inform you that a new version of the Apache Lucene library been released. It is the next major release – please welcome Lucene 9.0.

Some of the changes included in the Apache Lucene 9.0:

  • From now on Apache Lucene requires at least Java 11
  • File format was modified to use little-endian instead of big-endian
  • Apache Lucene no longer has split packages
  • Extreme performance changes when sorting on fields indexed with points
  • 10 to 15% faster indexing for fields using multi-dimensional fields
  • New analyzers, like Snowball 2 which result in support for languages like Serbian and Nepali
  • Support for multi-dimensional numeric vectors to perform nearest-neighbor search

You can read the full list of changes at: https://lucene.apache.org/core/9_0/changes/Changes.html.

Apache Lucene 9.0 can be downloaded from https://dlcdn.apache.org/lucene/java/.

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