Merge branch 'opensearch-project:main' into main

CHANGELOG.md

@@ -36,6 +36,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - OpenJDK Update (April 2023 Patch releases) ([#7344](https://github.com/opensearch-project/OpenSearch/pull/7344)
 - Bump `com.google.http-client:google-http-client:1.43.2` from 1.42.0 to 1.43.2 ([7928](https://github.com/opensearch-project/OpenSearch/pull/7928)))
 - Add Opentelemetry dependencies ([#7543](https://github.com/opensearch-project/OpenSearch/issues/7543))
+- Bump `org.bouncycastle:bcprov-jdk15on` to `org.bouncycastle:bcprov-jdk15to18` version 1.75 ([8247](https://github.com/opensearch-project/OpenSearch/pull/8247))
+- Bump `org.bouncycastle:bcmail-jdk15on` to `org.bouncycastle:bcmail-jdk15to18` version 1.75 ([8247](https://github.com/opensearch-project/OpenSearch/pull/8247))
+- Bump `org.bouncycastle:bcpkix-jdk15on` to `org.bouncycastle:bcpkix-jdk15to18` version 1.75 ([8247](https://github.com/opensearch-project/OpenSearch/pull/8247))
+
+
 
 ### Changed
 - [CCR] Add getHistoryOperationsFromTranslog method to fetch the history snapshot from translogs ([#3948](https://github.com/opensearch-project/OpenSearch/pull/3948))
@@ -75,12 +80,14 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased 2.x]
 ### Added
+- [SearchPipeline] Add new search pipeline processor type, SearchPhaseResultsProcessor, that can modify the result of one search phase before starting the next phase.([#7283](https://github.com/opensearch-project/OpenSearch/pull/7283))
 - Add task cancellation monitoring service ([#7642](https://github.com/opensearch-project/OpenSearch/pull/7642))
 - Add TokenManager Interface ([#7452](https://github.com/opensearch-project/OpenSearch/pull/7452))
 - Add Remote store as a segment replication source ([#7653](https://github.com/opensearch-project/OpenSearch/pull/7653))
 - Implement concurrent aggregations support without profile option ([#7514](https://github.com/opensearch-project/OpenSearch/pull/7514))
 - Add dynamic index and cluster setting for concurrent segment search ([#7956](https://github.com/opensearch-project/OpenSearch/pull/7956))
 - Add descending order search optimization through reverse segment read. ([#7967](https://github.com/opensearch-project/OpenSearch/pull/7967))
+- [Search pipelines] Added search pipelines output to node stats ([#8053](https://github.com/opensearch-project/OpenSearch/pull/8053))
 - Update components of segrep backpressure to support remote store. ([#8020](https://github.com/opensearch-project/OpenSearch/pull/8020))
 - Make remote cluster connection setup in async ([#8038](https://github.com/opensearch-project/OpenSearch/pull/8038))
 - Add API to initialize extensions ([#8029]()https://github.com/opensearch-project/OpenSearch/pull/8029)
@@ -117,6 +124,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Bump `io.projectreactor.netty:reactor-netty-http` from 1.1.7 to 1.1.8 (#8256)
 - [Upgrade] Lucene 9.7.0 release (#8272)
 - Bump `org.jboss.resteasy:resteasy-jackson2-provider` from 3.0.26.Final to 6.2.4.Final in /qa/wildfly ([#8209](https://github.com/opensearch-project/OpenSearch/pull/8209))
+- Bump `com.google.api-client:google-api-client` from 1.34.0 to 2.2.0 ([#8276](https://github.com/opensearch-project/OpenSearch/pull/8276))
 
 ### Changed
 - Replace jboss-annotations-api_1.2_spec with jakarta.annotation-api ([#7836](https://github.com/opensearch-project/OpenSearch/pull/7836))
@@ -131,6 +139,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Compress and cache cluster state during validate join request ([#7321](https://github.com/opensearch-project/OpenSearch/pull/7321))
 - [Snapshot Interop] Add Changes in Create Snapshot Flow for remote store interoperability. ([#7118](https://github.com/opensearch-project/OpenSearch/pull/7118))
 - Allow insecure string settings to warn-log usage and advise to migration of a newer secure variant ([#5496](https://github.com/opensearch-project/OpenSearch/pull/5496))
+- Add self-organizing hash table to improve the performance of bucket aggregations ([#7652](https://github.com/opensearch-project/OpenSearch/pull/7652))
+- Check UTF16 string size before converting to String to avoid OOME ([#7963](https://github.com/opensearch-project/OpenSearch/pull/7963))
+- Move ZSTD compression codecs out of the sandbox ([#7908](https://github.com/opensearch-project/OpenSearch/pull/7908))
+
 
 ### Deprecated
 
@@ -143,6 +155,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Enforce 512 byte document ID limit in bulk updates ([#8039](https://github.com/opensearch-project/OpenSearch/pull/8039))
 - With only GlobalAggregation in request causes unnecessary wrapping with MultiCollector ([#8125](https://github.com/opensearch-project/OpenSearch/pull/8125))
 - Fix mapping char_filter when mapping a hashtag ([#7591](https://github.com/opensearch-project/OpenSearch/pull/7591))
+- Fix NPE in multiterms aggregations involving empty buckets ([#7318](https://github.com/opensearch-project/OpenSearch/pull/7318))
 
 ### Security