CHANGELOG.md

CHANGELOG

All notable changes to this project are documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning. See the CONTRIBUTING guide for instructions on how to add changelog entries.

Unreleased 3.0

Added

• Support for HTTP/2 (server-side) (#3847)
• Add getter for path field in NestedQueryBuilder (#4636)
• Allow mmap to use new JDK-19 preview APIs in Apache Lucene 9.4+ (#5151)
• Add events correlation engine plugin (#6854)
• Implement on behalf of token passing for extensions (#8679, #10664)
• Provide service accounts tokens to extensions (#9618)
• [AdmissionControl] Added changes for AdmissionControl Interceptor and AdmissionControlService for RateLimiting (#9286)
• GHA to verify checklist items completion in PR descriptions (#10800)
• Allow to pass the list settings through environment variables (like [], ["a", "b", "c"], ...) (#10625)
• [Admission Control] Integrate CPU AC with ResourceUsageCollector and add CPU AC stats to nodes/stats (#10887)
• [S3 Repository] Add setting to control connection count for sync client (#12028)
• Views, simplify data access and manipulation by providing a virtual layer over one or more indices (#11957)
• Add Remote Store Migration Experimental flag and allow mixed mode clusters under same (#11986)

Dependencies

• Bump log4j-core from 2.18.0 to 2.19.0
• Bump forbiddenapis from 3.3 to 3.4
• Bump avro from 1.11.1 to 1.11.2
• Bump woodstox-core from 6.3.0 to 6.3.1
• Bump xmlbeans from 5.1.0 to 5.1.1 (#4354)
• Bump reactor-netty-core from 1.0.19 to 1.0.22 (#4447)
• Bump reactive-streams from 1.0.3 to 1.0.4 (#4488)
• Bump jempbox from 1.8.16 to 1.8.17 (#4550)
• Update to Gradle 7.6 and JDK-19 (#4973)
• Update Apache Lucene to 9.5.0-snapshot-d5cef1c (#5570)
• Bump maven-model from 3.6.2 to 3.8.6 (#5599)
• Bump maxmind-db from 2.1.0 to 3.0.0 (#5601)
• Bump wiremock-jre8-standalone from 2.33.2 to 2.35.0
• Bump gson from 2.10 to 2.10.1
• Bump com.google.code.gson:gson from 2.10 to 2.10.1
• Bump com.maxmind.geoip2:geoip2 from 4.0.0 to 4.0.1
• Bump com.avast.gradle:gradle-docker-compose-plugin from 0.16.11 to 0.16.12
• Bump org.apache.commons:commons-configuration2 from 2.8.0 to 2.9.0
• Bump com.netflix.nebula:nebula-publishing-plugin from 19.2.0 to 20.3.0
• Bump io.opencensus:opencensus-api from 0.18.0 to 0.31.1 (#7291)
• OpenJDK Update (April 2023 Patch releases) (#7344
• Bump com.google.http-client:google-http-client:1.43.2 from 1.42.0 to 1.43.2 (7928))
• Add Opentelemetry dependencies (#7543)
• Bump org.bouncycastle:bcprov-jdk15on to org.bouncycastle:bcprov-jdk15to18 version 1.75 (#8247)
• Bump org.bouncycastle:bcmail-jdk15on to org.bouncycastle:bcmail-jdk15to18 version 1.75 (#8247)
• Bump org.bouncycastle:bcpkix-jdk15on to org.bouncycastle:bcpkix-jdk15to18 version 1.75 (#8247)
• Bump JNA version from 5.5 to 5.13 (#9963)
• Bump org.eclipse.jgit from 6.5.0 to 6.7.0 (#10147)
• Bump OpenTelemetry from 1.30.1 to 1.31.0 (#10617)
• Bump OpenTelemetry from 1.31.0 to 1.32.0 and OpenTelemetry Semconv from 1.21.0-alpha to 1.23.1-alpha (#11305)
• Bump org.bouncycastle:bcprov-jdk15to18 to org.bouncycastle:bcprov-jdk18on version 1.77 (#12317)
• Bump org.bouncycastle:bcmail-jdk15to18 to org.bouncycastle:bcmail-jdk18on version 1.77 (#12317)
• Bump org.bouncycastle:bcpkix-jdk15to18 to org.bouncycastle:bcpkix-jdk18on version 1.77 (#12317)

Changed

• [CCR] Add getHistoryOperationsFromTranslog method to fetch the history snapshot from translogs (#3948)
• Relax visibility of the HTTP_CHANNEL_KEY and HTTP_SERVER_CHANNEL_KEY to make it possible for the plugins to access associated Netty4HttpChannel / Netty4HttpServerChannel instance (#4638)
• Migrate client transports to Apache HttpClient / Core 5.x (#4459)
• Change http code on create index API with bad input raising NotXContentException from 500 to 400 (#4773)
• Improve summary error message for invalid setting updates (#4792)
• Return 409 Conflict HTTP status instead of 503 on failure to concurrently execute snapshots (#8986)
• Add task completion count in search backpressure stats API (#10028)
• Deprecate CamelCase PathHierarchy tokenizer name in favor to lowercase path_hierarchy (#10894)
• Switched to more reliable OpenSearch Lucene snapshot location(#11728)

Deprecated

Removed

• Remove deprecated code to add node name into log pattern of log4j property file (#4568)
• Unused object and import within TransportClusterAllocationExplainAction (#4639)
• Remove LegacyESVersion.V_7_0_* and V_7_1_* Constants (#2768)
• Remove LegacyESVersion.V_7_2_ and V_7_3_ Constants (#4702)
• Always auto release the flood stage block (#4703)
• Remove LegacyESVersion.V_7_4_ and V_7_5_ Constants (#4704)
• Remove Legacy Version support from Snapshot/Restore Service (#4728)
• Remove deprecated serialization logic from pipeline aggs (#4847)
• Remove unused private methods (#4926)
• Remove LegacyESVersion.V_7_8_ and V_7_9_ Constants (#4855)
• Remove LegacyESVersion.V_7_6_ and V_7_7_ Constants (#4837)
• Remove LegacyESVersion.V_7_10_ Constants (#5018)
• Remove Version.V_1_ Constants (#5021)
• Remove custom Map, List and Set collection classes (#6871)

Fixed

• Fix 'org.apache.hc.core5.http.ParseException: Invalid protocol version' under JDK 16+ (#4827)
• Fix compression support for h2c protocol (#4944)
• Don't over-allocate in HeapBufferedAsyncEntityConsumer in order to consume the response (#9993)
• Update supported version for max_shard_size parameter in Shrink API (#11439)
• Fix typo in API annotation check message (11836)
• Update supported version for must_exist parameter in update aliases API (#11872)
• [Bug] Check phase name before SearchRequestOperationsListener onPhaseStart (#12035)
• Fix Span operation names generated from RestActions (#12005)
• Fix error in RemoteSegmentStoreDirectory when debug logging is enabled (#12328)

Security

Unreleased 2.x

Added

• [Tiered caching] Introducing cache plugins and exposing Ehcache as one of the pluggable disk cache option (#11874)
• Add support for dependencies in plugin descriptor properties with semver range (#11441)
• Add community_id ingest processor (#12121)
• Introduce query level setting index.query.max_nested_depth limiting nested queries (#3268
• Add toString methods to MultiSearchRequest, MultiGetRequest and CreateIndexRequest (#12163)
• Support for returning scores in matched queries (#11626)
• Add shard id property to SearchLookup for use in field types provided by plugins (#1063)

Dependencies

• Bump peter-evans/find-comment from 2 to 3 (#12288)
• Bump com.google.api.grpc:proto-google-common-protos from 2.25.1 to 2.33.0 (#12289)
• Bump com.squareup.okio:okio from 3.7.0 to 3.8.0 (#12290)
• Bump gradle/wrapper-validation-action from 1 to 2 (#12367)
• Bump netty from 4.1.106.Final to 4.1.107.Final (#12372)
• Bump opentelemetry from 1.34.1 to 1.35.0 (#12388)
• Bump Apache Lucene from 9.9.2 to 9.10.0 (#12392)
• Bump org.apache.logging.log4j:log4j-core from 2.22.1 to 2.23.0 (#12464)
• Bump antlr4 from 4.11.1 to 4.13.1 (#12445)
• Bump com.netflix.nebula.ospackage-base from 11.8.0 to 11.8.1 (#12461)
• Bump peter-evans/create-or-update-comment from 3 to 4 (#12462)
• Bump lycheeverse/lychee-action from 1.9.1 to 1.9.3 (#12521)

Changed

• Allow composite aggregation to run under a parent filter aggregation (#11499)

Deprecated

Removed

Fixed

• Fix for deserilization bug in weighted round-robin metadata (#11679)
• [Revert] [Bug] Check phase name before SearchRequestOperationsListener onPhaseStart (#12035)
• Add support of special WrappingSearchAsyncActionPhase so the onPhaseStart() will always be followed by onPhaseEnd() within AbstractSearchAsyncAction (#12293)
• Add a system property to configure YamlParser codepoint limits (#12298)
• Prevent read beyond slice boundary in ByteArrayIndexInput (#10481)
• Fix the "highlight.max_analyzer_offset" request parameter with "plain" highlighter (#10919)
• Warn about deprecated and ignored index.mapper.dynamic index setting (#11193)
• Fix get task API does not refresh resource stats (#11531)

Security