What's Changed

Bugfixes

• Fix missing fieldnorms for u64, i64, f64, bool, bytes and date #1620 (@PSeitz)
• Fix interpolation overflow in linear interpolation fastfield codec #1480 (@PSeitz @fulmicoton)

Features/Improvements

• Add support for IN in queryparser , e.g. field: IN [val1 val2 val3] #1683 (@trinity-1686a)
• Skip score calculation, when no scoring is required #1646 (@PSeitz)
• Limit fast fields to u32 (get_val(u32)) #1644 (@PSeitz)
• The DateTime type has been updated to hold timestamps with microseconds precision. DateOptions and DatePrecision have been added to configure Date fields. The precision is used to hint on fast values compression. Otherwise, seconds precision is used everywhere else (i.e terms, indexing) #1396 (@evanxg852000)
• Add IP address field type #1553 (@PSeitz)
• Add boolean field type #1382 (@boraarslan)
• Remove Searcher pool and make Searcher cloneable. (@PSeitz)
• Validate settings on create #1570 (@PSeitz)
• Detect and apply gcd on fastfield codecs #1418 (@PSeitz)
• Doc store
  • use separate thread to compress block store #1389 #1510 (@PSeitz @fulmicoton)
  • Expose doc store cache size #1403 (@PSeitz)
  • Enable compression levels for doc store #1378 (@PSeitz)
  • Make block size configurable #1374 (@kryesh)
• Make tantivy::TantivyError cloneable #1402 (@PSeitz)
• Add support for phrase slop in query language #1393 (@saroh)
• Aggregation
  • Add aggregation support for date type #1693(@PSeitz)
  • Add support for keyed parameter in range and histgram aggregations #1424 (@k-yomo)
  • Add aggregation bucket limit #1363 (@PSeitz)
• Faster indexing
  • #1610 (@PSeitz)
  • #1594 (@PSeitz)
  • #1582 (@PSeitz)
  • #1611 (@PSeitz)
  • Added a pre-configured stop word filter for various language #1666 (@adamreichold)

New Contributors

• @ryanrussell made their first contribution in https://github.com/quickwit-oss/tantivy/pull/1380
• @boraarslan made their first contribution in https://github.com/quickwit-oss/tantivy/pull/1382
• @pier-oliviert made their first contribution in https://github.com/quickwit-oss/tantivy/pull/1415
• @kianmeng made their first contribution in https://github.com/quickwit-oss/tantivy/pull/1445
• @akr4 made their first contribution in https://github.com/quickwit-oss/tantivy/pull/1473
• @waywardmonkeys made their first contribution in https://github.com/quickwit-oss/tantivy/pull/1524
• @nigel-andrews made their first contribution in https://github.com/quickwit-oss/tantivy/pull/1608
• @theduke made their first contribution in https://github.com/quickwit-oss/tantivy/pull/1624

Full Changelog: https://github.com/quickwit-oss/tantivy/compare/0.18...0.19