3.7.0.0

What's Changed

• Switch main to 3.7.0 by @reta in #350
• Fix flaky org.opensearch.knn.index.codec.jvector.KNNJVectorTests.testJVectorKnnIndex_mergeEnabled by @reta in #349
• Increase documents count to fix BWC test flakiness by @reta in #353
• Update python requests version by @sushrutsvani in #356
• Fix flaky org.opensearch.knn.index.engine.InternalKNNEngineTests.test.JVectorSearchStatsIncrement by @reta in #359
• Fix flaky org.opensearch.knn.index.codec.jvector.KNNJVectorTests.testJVectorKnnIndex_mergeEnabled (2nd attempt) by @reta in #362
• Fix flaky org.opensearch.knn.index.engine.InternalKNNEngineTests.testJVectorSearchStatsIncrement (followup) by @reta in #364
• Fix flaky org.opensearch.knn.index.engine.InternalKNNEngineTests.testVectorEngineWithConstructionParameters by @reta in #369
• Enable testDerivedSource_HandlesInvalidDocuments by @akash-shankaran in #372
• Update JVector to 4.0.0-rc.8 by @reta in #370
• Fix flaky org.opensearch.knn.index.codec.jvector.JVectorWriterMergeTests.* by @reta in #376
• Update Gradle to 9.4.1 by @reta in #381
• Fix flaky org.opensearch.knn.index.codec.jvector.KNNJVectorTests.testMissing_fields by @reta in #380
• Fix flaky org.opensearch.knn.index.engine.InternalKNNEngineTests.testQuantizationWithOverQueryParameter (second attempt) by @reta in #386
• Move legacy codecs to backward_codecs by @reta in #389
• Migrate NormalizeVectorTransformer, OriginalMappingParameters and VectorTransformerFactory tests by @WojciechKrakowiak in #394
• fixes to remove ref counting in DerivedSourceReader by @akash-shankaran in #398
• Add new tests for Derivedsources by @akash-shankaran in #400
• Fix DerivedSourceIT test cases due to recent changes in includes / excludes handling by @reta in #409
• Migrate CompressionLevelTests, ModeTests and KNNVectorFieldMapperTests from k-NN by @Talar1997 in #403
• test: migrate KNNVectorFieldMapperUtilTests and KNNVectorFieldTypeTests from k-nn by @kush992 in #408
• Fix memory leak in JVectorRandomAccessReader by @motorman-ibm in #401
• Block derived sources on nested documents by @akash-shankaran in #406
• Fix NPE while storing the graph with no nodes by @reta in #417
• MockMaker support, migrate tests for VectorValues by @WojciechKrakowiak in #421
• Migrate knn/quantization tests from k-NN repository by @Talar1997 in #426
• Remove 9.x codecs by @Talar1997 in #411
• test: Add test coverage for Query subpackage Iterators by @kush992 in #434
• [Backport main] [Forwardport] [3.6] Prepare 3.5.0.3 release (#437) by @opensearch-trigger-bot[bot] in #440
• test: migrated RescoreContextTests.java from k-NN by @kush992 in #444
• test: migrated query subpackage Parser tests by @kush992 in #442
• test: migrated query common tests by @kush992 in #452
• Update python-dotenv to v1.2.2 to fix CVE-2026-28684 by @MedhaSrivatsa in #454
• tests: migrated lucene and lucenelib package tests by @kush992 in #450
• tests: migration of Query tests by @kush992 in #431
• [Forwardport] [main] Prepare 3.6.0 release (#462) by @reta in #464
• fix: forbidden String.format() method invocations in main source files by @tomkdgun in #465
• test: engine tests migration by @kush992 in #460
• Fix sporadic java.lang.ClassCastException: class org.apache.logging.log4j.simple.SimpleLoggerContext cannot be cast to class org.apache.logging.log4j.core.LoggerContext by @reta in #467
• Add user guide and end-to-end demo script for jVector plugin by @ashwini-mnnit in #377
• Add user guide explaining indexing and searching by @MedhaSrivatsa in #296
• test: potential fix for JVectorConcurrentQueryTests.java by extending timeout by @kush992 in #475
• Rename user guides as both have the same name by @akash-shankaran in #479
• Fix flaky org.opensearch.knn.index.codec.jvector.JVectorWriterMergeTests.testLeadingSegmentMergeDisabled by lowering recall by @reta in #480
• Increase tests coverage for VectorValues by @WojciechKrakowiak in #485
• Fix derived nested fields processing by @reta in #484
• feat: support derived source for knn with other fields - porting by @tomkdgun in #488
• Update Spotless to 8.4.0 by @reta in #495
• tests: Lucene engine tests migrations by @kush992 in #492
• Upgrade jenkins library version to accomodate new secrets vault by @gaiksaya in #499
• Add issues write permission to untriaged label workflow by @shreyah963 in #500
• Pin actions/github-script to exact commit SHA by @shreyah963 in #501
• Add gRPC Protocol Buffer support for KNN queries by @MedhaSrivatsa in #493
• Pin GitHub Actions to commit SHAs by @Divyaasm in #503
• Fix GRPC flaky test by using locale-independent formatting by @MedhaSrivatsa in #505
• Add CodeQL workflow permissions by @reta in #506
• Add support for MAXIMUM_INNER_PRODUCT similarity in jVector by @sushrutsvani in #494
• Prepare 3.7.0.0 release by @reta in #509

New Contributors

• @sushrutsvani made their first contribution in #356
• @WojciechKrakowiak made their first contribution in #394
• @Talar1997 made their first contribution in #403
• @motorman-ibm made their first contribution in #401
• @tomkdgun made their first contribution in #465
• @ashwini-mnnit made their first contribution in #377
• @shreyah963 made their first contribution in #500
• @Divyaasm made their first contribution in #503

Full Changelog: 3.6.0.0...3.7.0.0