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Opensearch.Release Notes 3.6.0

release-notes/opensearch.release-notes-3.6.0.md

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Version 3.6.0 Release Notes

Compatible with OpenSearch and OpenSearch Dashboards version 3.6.0

Features

  • Add bitmap64 query support (#20606)
  • Add warmup phase for pull-based ingestion to prevent serving stale data before catching up with the streaming source (#20526)
  • Implement field_mapping ingestion message mapper for pull-based ingestion (#20729)
  • Add mapper_settings support and field_mapping mapper type for pull-based ingestion (#20722)
  • Remove experimental tag for pull-based ingestion, marking it as public API (#20704)

Enhancements

  • Add index warmer support for replica shards using segment replication (#20650)
  • Add indices to search request slow log for easier request identification (#20588)
  • Add node-level JVM and CPU runtime metrics following OpenTelemetry semantic conventions (#20844)
  • Add new Sensitive setting property for tiering dynamic settings authorization (#20901)
  • Add adaptive shard selection for bulk writes on append-only indices (#20065)
  • Add support for expected remote cluster name validation in CCS sniff mode (#20532)
  • Add search_settings support to WLM workload groups with initial timeout setting (#20536)
  • Add scroll API support for workload management rule-based autotagging (#20151)
  • Add stream request flag to SearchRequestContext for plugin consumption (#20530)
  • Support Docker distribution builds for ppc64le, arm64, and s390x architectures (#20678)
  • Fallback to Netty HTTP client when AWS CRT client is unavailable on the target platform (#20698)
  • Add intra-segment support for single-value metric aggregations (sum, min, max, avg, stats, cardinality, value_count) (#20503)
  • Expose wrapped scorer in ProfileScorer for plugin access to custom scorer methods (#20549)
  • Fix ProfileScorer.getChildren() to expose wrapped scorer in the scorer tree hierarchy (#20607)
  • Remove X-Request-Id format restrictions and make maximum length configurable (#21048)
  • Make telemetry Tags immutable with allocation-efficient factories and content-based equality (#20788)
  • Add ref_path support for package-based Hunspell dictionary loading with multi-tenant isolation (#20840)
  • Prevent criteria field updates for context-aware indices to simplify version management (#20250)
  • Add indexer interface to decouple IndexShard from Engine for pluggable engine architectures (#20675)
  • Use ReadAdviseByContext for MMapDirectory instead of Lucene default read advise (#21062)

Bug Fixes

  • Fix copy_to functionality for geo_point fields with object and array values (#20542)
  • Fix field_caps returning empty results for disable_objects mappings and field name corruption (#20814)
  • Fix terms lookup subquery to use cluster max_clause_count setting instead of hardcoded fallback (#20823)
  • Fix terms aggregation performance regression on high-cardinality fields by adding a max cardinality setting (#20623)
  • Fix terms aggregation performance regression using segment-to-global ordinals mapping (#20683)
  • Fix array_index_out_of_bounds_exception with wildcard and aggregations under concurrent access (#20842)
  • Add range validations in query builder and field mapper (#20518)
  • Fix synonym_graph filter failure with word_delimiter_graph by handling analyzer dependency ordering (#19248)
  • Fix index template pattern collision false positives for multi-wildcard patterns (#20702)
  • Fix SecurityException when using opensearch.cgroups.hierarchy.override setting (#20565)
  • Fix SLF4J component error caused by slf4j-api version mismatch with log4j binding (#20587)
  • Fix JSON escaping in task details log metadata (#20802)
  • Fix listBlobsByPrefixInSortedOrder in EncryptedBlobContainer to respect limit and prevent JVM exhaustion (#20514)
  • Fix batched deletion of stale cluster metadata manifests to prevent remote storage pile-up (#20566)
  • Fix segment replication infinite retry caused by stale metadata checkpoint (#20551)
  • Fix ExitableTerms to delegate getMin/getMax methods avoiding slow path in field sort (#20775)
  • Lazily initialize stored field reader in SourceLookup to avoid unnecessary madvise calls (#20827)
  • Fix CriteriaBasedCodec to work with delegate codec (#20442)
  • Show heap percent threshold instead of moving average in search cancellation messages (#20779)
  • Relax updatedAt validation for WLM workload group creation to handle minor clock skew (#20486)
  • Improve exception messaging when encountering legacy Elasticsearch version IDs during upgrade (#20512)
  • Fix Windows service startup with OpenJDK by updating procrun to 1.5.1 (#20615)
  • Expose STRICT_EXPAND_OPEN_HIDDEN_FORBID_CLOSED index option via static method (#20980)
  • Fix stale segments cleanup to also trigger based on segments map size threshold (#20976)
  • Move Randomness from server to lib/common to reduce FIPS demo installer size (#20570)
  • Add accessUnixDomainSocket permission for transport-grpc on Windows (#20649)
  • Harden HTTP/3 support detection by checking Quic native library availability for the target platform (#20680)
  • Use OPENSEARCH_FIPS_MODE environment variable to enable FIPS enforced mode instead of checking for bcFIPS jars (#20625)
  • Fix Arrow Flight transport TLS certificate hot-reload (#20700)
  • Fix stream transport TLS certificate hot-reload by using live SSLContext from SecureTransportSettingsProvider (#20734)
  • Ensure transient ThreadContext headers with propagators survive context restore (#20854)

Maintenance

  • Bump Apache Lucene from 10.3.2 to 10.4.0 (#20735)
  • Update Netty to 4.2.12.Final (#20586), (#20997), (#20998)
  • Update Jackson to 2.21.2 (#20989)
  • Bump OpenTelemetry to 1.60.1 and OpenTelemetry Semconv to 1.40.0 (#20737), (#20797)
  • Bump Project Reactor to 3.8.4 and Reactor Netty to 1.3.4 (#20589), (#20834)
  • Bump ch.qos.logback:logback-classic to 1.5.32 and logback-core to 1.5.27 (#20525), (#20761)
  • Bump com.nimbusds:nimbus-jose-jwt from 10.7 to 10.8 (#20715)
  • Bump com.sun.xml.bind:jaxb-impl from 4.0.6 to 4.0.7 (#20886)
  • Bump com.netflix.nebula.ospackage-base from 12.2.0 to 12.3.0 (#20799)
  • Bump org.apache.commons:commons-text from 1.14.0 to 1.15.0 (#20576)
  • Bump org.jline:jline from 3.30.6 to 4.0.0 (#20800)
  • Bump org.jruby.jcodings:jcodings from 1.0.63 to 1.0.64 (#20713)
  • Bump org.jruby.joni:joni from 2.2.3 to 2.2.7 (#20714), (#20759)
  • Bump org.tukaani:xz from 1.11 to 1.12 (#20760)
  • Bump shadow-gradle-plugin from 8.3.9 to 9.3.1 (#20569)