Pyserini Release Notes (v2.3.0)

June 14, 2026 ยท View on GitHub

  • Release date: June 14, 2026
  • Anserini dependency: v2.2.0
  • Lucene dependency: v10.4.0

Summary of Changes

  • Updated to the Anserini v2.2.0 fatjar.
  • Fixed UniIR compatibility with Transformers 5.
  • Hardened prebuilt index URL checks and added tests for generated prebuilt index documentation.
  • Updated MIRACL and Mr.TyDi Lucene index metadata.
  • Updated mBEIR 2CR scores and documentation.
  • Updated BEIR SPLADE++ 2CR commands to encode queries on the fly instead of using cached queries.
  • Removed obsolete BEIR SPLADE-distil and SPLADE++ topic aliases.
  • Confirmed following 2CRs all pass: v1-passage, v1-doc, v2-passage, v2-doc, beir, bright, miracl, mrtydi, ciral, odqa, atomic, m_beir.

Contributors

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