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release-notes-v0.22.0.md

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Anserini Release Notes (v0.22.0)

  • Release date: August 28, 2023
  • Lucene version: Lucene 9.5.0

Summary of Changes

  • Upgraded to Lucene 9.5.0.
  • Refactored code to improve support for HNSW and FW/LexLSH:
    • IndexCollection, IndexHnswDenseVectors, and IndexInvertedDenseVectors.
    • SearchCollection, SearchHnswDenseVectors, and SearchInvertedDenseVectors.
  • Added ONNX support, including hooks in SimpleImpactSearcher for Pyserini.
  • Added ability to parse raw text "on-the-fly" to enable relevance feedback in SimpleImpactSearcher.
  • Added regressions for HNSW in Lucene using cos DPR distil.
  • Added regressions for SPLADE++ with ONNX.
  • Fixed misalignment in SearchCollection and SimpleImpactSearcher implementations.
  • Created documentation for indexing OpenAI ada2 embeddings with Lucene HNSW.
  • Refactored and improved documentation, including onboarding path.

Contributors (This Release)

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