Title: Apache Lucene 5.5.0 Available category: core/news URL: save_as:

The Lucene PMC is pleased to announce the release of Apache Lucene 5.5.0

The release can be downloaded from https://lucene.apache.org/core/mirrors-core-latest-redir.html

Release highlights:

  • JoinUtil.createJoinQuery can now join on numeric doc values fields

  • BlendedInfixSuggester now has an exponential reciprocal scoring model, to more strongly favor suggestions with matches closer to the beginning

  • CustomAnalyzer has improved (compile time) type safety

  • DFISimilarity implements the divergence from independence scoring model

  • Fully wrap any other merge policy using MergePolicyWrapper

  • Sandbox geo point queries have graduated into the spatial module, and now use a more efficient binary term encoding for smaller index size, faster indexing, and decreased search-time heap usage

  • BooleanQuery performs some new query optimizations

  • TermsQuery constructors are more GC efficient