OPENSEARCH-3.5.0 release notes and known issues

Summary

Version 3.5.0 Release Notes Compatible with OpenSearch and OpenSearch Dashboards version 3.5.0 Added Add support for fields containing dots in their name as literals ( #19958 ) Add support for forward translog reading ( #20163 ) Added public getter method in SourceFieldMapper to return excluded field ( #20205 ) Add integ test for simulating node join left event when data node cluster state publication lag because the cluster applier thread being busy ( #19907 ). Relax jar hell check when extended plugins share transitive dependencies ( #20103 ) Added public getter method in SourceFieldMapper to return included field ( #20290 ) Support for HTTP/3 (server side) ( #20017 ) Add circuit breaker support for gRPC transport to prevent out-of-memory errors ( #20203 ) Add index-level-encryption support for snapshots and remote-store ( #20095 ) Adding BackWardCompatibility test for remote publication enabled cluster ( #20221 ) Support for hll field mapper to support cardinality rollups ( #20129 ) Add tracing support for StreamingRestChannel ( #20361 ) Introduce new libs/netty4 module to share common implementation between netty-based plugins and modules (transport-netty4, transport-reactor-netty4) ( #20447 ) Add validation to make crypto store settings immutable ( #20123 ) Introduce concurrent translog recovery to accelerate segment replication primary promotion ( #20251 ) Update to almalinux:10 ( #20482 ) Add X-Request-Id to uniquely identify a search request ( #19798 ) Added TopN selection logic for streaming terms aggregations ( #20481 ) Added support for Intra Segment Search ( #19704 ) Introduce AdditionalCodecs and EnginePlugin::getAdditionalCodecs hook to allow additional Codec registration ( #20411 ) Changed Handle custom metadata files in subdirectory-store ( #20157 ) Add support for missing proto fields in GRPC FunctionScore and Highlight ( #20169 ) Ensure all modules are included in INTEG_TEST testcluster distribution ( #20241 ) Cleanup HttpServerTransport.Dispatcher in Netty tests ( #20160 ) Use compact object headers with JDK25+ ( #20392 ) Add cluster.initial_cluster_manager_nodes to testClusters OVERRIDABLE_SETTINGS ( #20348 ) Add BigInteger support for unsigned_long fields in gRPC transport ( #20346 ) Install demo security information when running ./gradlew run -PinstalledPlugins="['opensearch-security']" ( #20372 ) Add Alt-Svc header support to advertise HTTP/3 availability ( #20434 ) Refactor streaming agg query phase planning ( #20471 ) Fixed Fix Snapshot rename replacement unbounded length rename ( #20464 ) Fix segment replication failure during rolling restart ( #19234 ) Fix bug of warm index: FullFileCachedIndexInput was closed error ( #20055 ) Fix flaky test ClusterMaxMergesAtOnceIT.testClusterLevelDefaultUpdatesMergePolicy ( #18056 ) Fix bug in Assertion framework(Yaml Rest test): numeric comparison fails when comparing Integer vs Long (or Float vs Double) ( #19376 ) Fix Netty deprecation warnings in transport-netty4 module ( #20233 ) Fix snapshot restore when an index sort is present ( #20284 ) Fix SearchPhaseExecutionException to properly initCause ( #20320 ) [repository-s3] remove endpointOverride and let AWS SDK V2 S3 determine the s3 url based on bucket name or arn provided ( #20345 ) Fix cluster.remote.<cluster_alias>.server_name setting no populating SNI ( #20321 ) Fix X-Opaque-Id header propagation (along with other response headers) for streaming Reactor Netty 4 transport ( #20371 ) Allow removing plugin that's optionally extended ( #20417 ) Fix indexing regression and bug fixes for grouping criteria. ( 20145 ) LeafReader should not remove SubReaderWrappers incase IndexWriter encounters a non aborting Exception ( #20193 ) Fix Netty deprecation warnings in transport-reactor-netty4 module ( 20429 ) Fix stats aggregation returning zero results with size:0 . ( 20427 ) Fix the node local term and version being truncated in logs when host providers return very long IP or host strings ( 20432 ) Remove child level

Improvements and security content

• Version 3.5.0 Release Notes Compatible with OpenSearch and OpenSearch Dashboards version 3.5.0 Added Add support for fields containing dots in their name as literals ( #19958 ) Add support for forward translog reading ( #20163 ) Added public getter method in SourceFieldMapper to return excluded field ( #20205 ) Add integ test for simulating node join left event when data node cluster state publication lag because the cluster applier thread being busy ( #19907 ). Relax jar hell check when extended plugins share transitive dependencies ( #20103 ) Added public getter method in SourceFieldMapper to return included field ( #20290 ) Support for HTTP/3 (server side) ( #20017 ) Add circuit breaker support for gRPC transport to prevent out-of-memory errors ( #20203 ) Add index-level-encryption support for snapshots and remote-store ( #20095 ) Adding BackWardCompatibility test for remote publication enabled cluster ( #20221 ) Support for hll field mapper to support cardinality rollups ( #20129 ) Add tracing support for StreamingRestChannel ( #20361 ) Introduce new libs/netty4 module to share common implementation between netty-based plugins and modules (transport-netty4, transport-reactor-netty4) ( #20447 ) Add validation to make crypto store settings immutable ( #20123 ) Introduce concurrent translog recovery to accelerate segment replication primary promotion ( #20251 ) Update to almalinux:10 ( #20482 ) Add X-Request-Id to uniquely identify a search request ( #19798 ) Added TopN selection logic for streaming terms aggregations ( #20481 ) Added support for Intra Segment Search ( #19704 ) Introduce AdditionalCodecs and EnginePlugin::getAdditionalCodecs hook to allow additional Codec registration ( #20411 ) Changed Handle custom metadata files in subdirectory-store ( #20157 ) Add support for missing proto fields in GRPC FunctionScore and Highlight ( #20169 ) Ensure all modules are included in INTEG_TEST testcluster distribution ( #20241 ) Cleanup HttpServerTransport.Dispatcher in Netty tests ( #20160 ) Use compact object headers with JDK25+ ( #20392 ) Add cluster.initial_cluster_manager_nodes to testClusters OVERRIDABLE_SETTINGS ( #20348 ) Add BigInteger support for unsigned_long fields in gRPC transport ( #20346 ) Install demo security information when running ./gradlew run -PinstalledPlugins="['opensearch-security']" ( #20372 ) Add Alt-Svc header support to advertise HTTP/3 availability ( #20434 ) Refactor streaming agg query phase planning ( #20471 ) Fixed Fix Snapshot rename replacement unbounded length rename ( #20464 ) Fix segment replication failure during rolling restart ( #19234 ) Fix bug of warm index: FullFileCachedIndexInput was closed error ( #20055 ) Fix flaky test ClusterMaxMergesAtOnceIT.testClusterLevelDefaultUpdatesMergePolicy ( #18056 ) Fix bug in Assertion framework(Yaml Rest test): numeric comparison fails when comparing Integer vs Long (or Float vs Double) ( #19376 ) Fix Netty deprecation warnings in transport-netty4 module ( #20233 ) Fix snapshot restore when an index sort is present ( #20284 ) Fix SearchPhaseExecutionException to properly initCause ( #20320 ) [repository-s3] remove endpointOverride and let AWS SDK V2 S3 determine the s3 url based on bucket name or arn provided ( #20345 ) Fix cluster.remote.<cluster_alias>.server_name setting no populating SNI ( #20321 ) Fix X-Opaque-Id header propagation (along with other response headers) for streaming Reactor Netty 4 transport ( #20371 ) Allow removing plugin that's optionally extended ( #20417 ) Fix indexing regression and bug fixes for grouping criteria. ( 20145 ) LeafReader should not remove SubReaderWrappers incase IndexWriter encounters a non aborting Exception ( #20193 ) Fix Netty deprecation warnings in transport-reactor-netty4 module ( 20429 ) Fix stats aggregation returning zero results with size:0 . ( 20427 ) Fix the node local term and version being truncated in logs when host providers return very long IP or host strings ( 20432 ) Remove child level

Affected products and versions

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Official publisher evidence