v8.15.0

Highlights in this release

• Add Int4Flat and Int4Hnsw KnnTypes by @Philippus in #3121
• Add wait_for_completion to DeleteSnapshotRequest by @Philippus in #3135
• Improve highlighting settings by @Philippus in #3136
• Add positiveScoreImpact parameter to RankFeaturesField by @Philippus in #3137
• Add sparse vector field type by @Philippus in #3138
• Improve Knn option by @Philippus in #3134
• Add sparse vector query by @Philippus in #3140
• Add semantic text field type by @Philippus in #3141
• Add semantic query by @Philippus in #3142
• Support Update By Query with slices auto by @flavienbert in #3090
• Support automatic slicing using constants by @Philippus in #3147

Thank you @sksamuel for creating elastic4s!

Full Changelog: v8.14.1...v8.15.0

This release was brought to you by 4 contributors, according to git shortlog -sn --no-merges @ ^v8.14.1 and checking the reviewers. Thank you @Philippus, @scala-steward, @flavienbert and @TactiC.