Add 2.18 release notes (opensearch-project#16510)

Signed-off-by: Andrew Ross <[email protected]>

Author: andrross

CHANGELOG.md

@@ -5,102 +5,19 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased 2.x]
 ### Added
-- [Workload Management] Add orchestrator for wlm resiliency (QueryGroupService) ([#15925](https://github.com/opensearch-project/OpenSearch/pull/15925))
-- [Offline Nodes] Adds offline-tasks library containing various interfaces to be used for Offline Background Tasks. ([#13574](https://github.com/opensearch-project/OpenSearch/pull/13574))
-- Add support for async deletion in S3BlobContainer ([#15621](https://github.com/opensearch-project/OpenSearch/pull/15621))
-- [Workload Management] QueryGroup resource cancellation framework changes ([#15651](https://github.com/opensearch-project/OpenSearch/pull/15651))
-- [Workload Management] Add QueryGroup Stats API Logic ([15777](https://github.com/opensearch-project/OpenSearch/pull/15777))
-- Implement WithFieldName interface in ValuesSourceAggregationBuilder & FieldSortBuilder ([#15916](https://github.com/opensearch-project/OpenSearch/pull/15916))
-- Add successfulSearchShardIndices in searchRequestContext ([#15967](https://github.com/opensearch-project/OpenSearch/pull/15967), [#16110](https://github.com/opensearch-project/OpenSearch/pull/16110))
-- Fallback to Remote cluster-state on Term-Version check mismatch - ([#15424](https://github.com/opensearch-project/OpenSearch/pull/15424))
-- [Tiered Caching] Segmented cache changes ([#16047](https://github.com/opensearch-project/OpenSearch/pull/16047))
-- Add support for msearch API to pass search pipeline name - ([#15923](https://github.com/opensearch-project/OpenSearch/pull/15923))
-- Add success and failure metrics for async shard fetch ([#15976](https://github.com/opensearch-project/OpenSearch/pull/15976))
-- Add support to dynamically resize threadpools size. ([#16236](https://github.com/opensearch-project/OpenSearch/pull/16236))
-- [S3 Repository] Change default retry mechanism of s3 clients to Standard Mode ([#15978](https://github.com/opensearch-project/OpenSearch/pull/15978))
-- [Workload Management] Add Integration Tests for Workload Management CRUD APIs ([#15955](https://github.com/opensearch-project/OpenSearch/pull/15955))
-- Add new metric REMOTE_STORE to NodeStats API response ([#15611](https://github.com/opensearch-project/OpenSearch/pull/15611))
-- New `phone` & `phone-search` analyzer + tokenizer ([#15915](https://github.com/opensearch-project/OpenSearch/pull/15915))
-- Add _list/indices API as paginated alternate to _cat/indices ([#14718](https://github.com/opensearch-project/OpenSearch/pull/14718))
-- Add changes to block calls in cat shards, indices and segments based on dynamic limit settings ([#15986](https://github.com/opensearch-project/OpenSearch/pull/15986))
-- Flat object field use IndexOrDocValuesQuery to optimize query ([#14383](https://github.com/opensearch-project/OpenSearch/issues/14383))
-- Add method to return dynamic SecureTransportParameters from SecureTransportSettingsProvider interface ([#16387](https://github.com/opensearch-project/OpenSearch/pull/16387)
-- Add _list/shards API as paginated alternate to _cat/shards ([#14641](https://github.com/opensearch-project/OpenSearch/pull/14641))
-- [Star Tree - Search] Add support for metric aggregations with/without term query ([15289](https://github.com/opensearch-project/OpenSearch/pull/15289))
-- URI path filtering support in cluster stats API ([#15938](https://github.com/opensearch-project/OpenSearch/pull/15938))
-- Add support for renaming aliases during snapshot restore ([#16292](https://github.com/opensearch-project/OpenSearch/pull/16292))
-- Add logic in master service to optimize performance and retain detailed logging for critical cluster operations. ([#14795](https://github.com/opensearch-project/OpenSearch/pull/14795))
 
 ### Dependencies
-- Bump `org.apache.logging.log4j:log4j-core` from 2.23.1 to 2.24.0 ([#15858](https://github.com/opensearch-project/OpenSearch/pull/15858))
-- Bump `com.azure:azure-identity` from 1.13.0 to 1.13.2 ([#15578](https://github.com/opensearch-project/OpenSearch/pull/15578))
-- Bump `protobuf` from 3.22.3 to 3.25.4 ([#15684](https://github.com/opensearch-project/OpenSearch/pull/15684))
-- Bump `peter-evans/create-pull-request` from 6 to 7 ([#15863](https://github.com/opensearch-project/OpenSearch/pull/15863))
-- Bump `com.nimbusds:oauth2-oidc-sdk` from 11.9.1 to 11.19.1 ([#15862](https://github.com/opensearch-project/OpenSearch/pull/15862))
-- Bump `com.microsoft.azure:msal4j` from 1.17.0 to 1.17.2 ([#15945](https://github.com/opensearch-project/OpenSearch/pull/15945), [#16406](https://github.com/opensearch-project/OpenSearch/pull/16406))
-- Bump `ch.qos.logback:logback-core` from 1.5.6 to 1.5.12 ([#15946](https://github.com/opensearch-project/OpenSearch/pull/15946), [#16307](https://github.com/opensearch-project/OpenSearch/pull/16307), [#16503](https://github.com/opensearch-project/OpenSearch/pull/16503))
-- Update protobuf from 3.25.4 to 3.25.5 ([#16011](https://github.com/opensearch-project/OpenSearch/pull/16011))
-- Bump `org.roaringbitmap:RoaringBitmap` from 1.2.1 to 1.3.0 ([#16040](https://github.com/opensearch-project/OpenSearch/pull/16040))
-- Bump `com.nimbusds:nimbus-jose-jwt` from 9.40 to 9.41.1 ([#16038](https://github.com/opensearch-project/OpenSearch/pull/16038))
-- Bump `actions/github-script` from 5 to 7 ([#16039](https://github.com/opensearch-project/OpenSearch/pull/16039))
-- Bump `dnsjava:dnsjava` from 3.6.1 to 3.6.2 ([#16041](https://github.com/opensearch-project/OpenSearch/pull/16041))
-- Bump `com.maxmind.geoip2:geoip2` from 4.2.0 to 4.2.1 ([#16042](https://github.com/opensearch-project/OpenSearch/pull/16042))
-- Bump `com.maxmind.db:maxmind-db` from 3.1.0 to 3.1.1 ([#16137](https://github.com/opensearch-project/OpenSearch/pull/16137))
-- Bump Apache lucene from 9.11.1 to 9.12.0 ([#15333](https://github.com/opensearch-project/OpenSearch/pull/15333))
-- Bump `com.azure:azure-core-http-netty` from 1.15.3 to 1.15.5 ([#16133](https://github.com/opensearch-project/OpenSearch/pull/16133), [#16311](https://github.com/opensearch-project/OpenSearch/pull/16311))
-- Bump `netty` from 4.1.112.Final to 4.1.114.Final ([#16182](https://github.com/opensearch-project/OpenSearch/pull/16182))
-- Bump `com.google.api-client:google-api-client` from 2.2.0 to 2.7.0 ([#16216](https://github.com/opensearch-project/OpenSearch/pull/16216))
-- Bump `com.azure:azure-json` from 1.1.0 to 1.3.0 ([#16217](https://github.com/opensearch-project/OpenSearch/pull/16217))
-- Bump `io.grpc:grpc-api` from 1.57.2 to 1.68.0 ([#16213](https://github.com/opensearch-project/OpenSearch/pull/16213))
-- Bump `org.jline:jline` from 3.26.3 to 3.27.0 ([#16135](https://github.com/opensearch-project/OpenSearch/pull/16135))
-- Bump `com.squareup.okio:okio` from 3.9.0 to 3.9.1 ([#16212](https://github.com/opensearch-project/OpenSearch/pull/16212))
-- Bump `lycheeverse/lychee-action` from 1.10.0 to 2.0.2 ([#16310](https://github.com/opensearch-project/OpenSearch/pull/16310))
-- Bump `com.google.code.gson:gson` from 2.10.1 to 2.11.0 ([#16308](https://github.com/opensearch-project/OpenSearch/pull/16308))
-- Bump `io.grpc:grpc-api` from 1.57.2 to 1.68.0 ([#16213](https://github.com/opensearch-project/OpenSearch/pull/16213))
-- Bump `me.champeau.gradle.japicmp` from 0.4.3 to 0.4.4 ([#16309](https://github.com/opensearch-project/OpenSearch/pull/16309))
-- Bump `com.google.oauth-client:google-oauth-client` from 1.35.0 to 1.36.0 ([#16306](https://github.com/opensearch-project/OpenSearch/pull/16306))
 
 ### Changed
-- Add support for docker compose v2 in TestFixturesPlugin ([#16049](https://github.com/opensearch-project/OpenSearch/pull/16049))
-- Remove identity-related feature flagged code from the RestController ([#15430](https://github.com/opensearch-project/OpenSearch/pull/15430))
-- Remove Identity FeatureFlag ([#16024](https://github.com/opensearch-project/OpenSearch/pull/16024))
-- Ensure RestHandler.Wrapper delegates all implementations to the wrapped handler ([#16154](https://github.com/opensearch-project/OpenSearch/pull/16154))
-- Enable coordinator search.request_stats_enabled by default ([#16290](https://github.com/opensearch-project/OpenSearch/pull/16290))
-- Optimise clone operation for incremental full cluster snapshots ([#16296](https://github.com/opensearch-project/OpenSearch/pull/16296))
-- Code cleanup: Remove ApproximateIndexOrDocValuesQuery ([#16273](https://github.com/opensearch-project/OpenSearch/pull/16273))
-- Update last seen cluster state in the commit phase ([#16215](https://github.com/opensearch-project/OpenSearch/pull/16215))
-- Make multiple settings dynamic for tuning on larger clusters([#16347](https://github.com/opensearch-project/OpenSearch/pull/16347))
 
 ### Deprecated
 
 ### Removed
 
 ### Fixed
-- Fix wildcard query containing escaped character ([#15737](https://github.com/opensearch-project/OpenSearch/pull/15737))
-- Fix case-insensitive query on wildcard field ([#15882](https://github.com/opensearch-project/OpenSearch/pull/15882))
-- Add validation for the search backpressure cancellation settings ([#15501](https://github.com/opensearch-project/OpenSearch/pull/15501))
-- Fix search_as_you_type not supporting multi-fields ([#15988](https://github.com/opensearch-project/OpenSearch/pull/15988))
-- Avoid infinite loop when `flat_object` field contains invalid token ([#15985](https://github.com/opensearch-project/OpenSearch/pull/15985))
-- Fix infinite loop in nested agg ([#15931](https://github.com/opensearch-project/OpenSearch/pull/15931))
-- Fix update settings with null replica not honoring cluster setting bug ([#14948](https://github.com/opensearch-project/OpenSearch/pull/14948))
-- Fix race condition in node-join and node-left ([#15521](https://github.com/opensearch-project/OpenSearch/pull/15521))
-- Streaming bulk request hangs ([#16158](https://github.com/opensearch-project/OpenSearch/pull/16158))
-- Fix warnings from SLF4J on startup when repository-s3 is installed ([#16194](https://github.com/opensearch-project/OpenSearch/pull/16194))
-- Fix protobuf-java leak through client library dependencies ([#16254](https://github.com/opensearch-project/OpenSearch/pull/16254))
 - Fix get index settings API doesn't show `number_of_routing_shards` setting when it was explicitly set ([#16294](https://github.com/opensearch-project/OpenSearch/pull/16294))
-- Fix multi-search with template doesn't return status code ([#16265](https://github.com/opensearch-project/OpenSearch/pull/16265))
-- [Streaming Indexing] Fix intermittent 'The bulk request must be terminated by a newline [\n]' failures [#16337](https://github.com/opensearch-project/OpenSearch/pull/16337))
-- Fix wrong default value when setting `index.number_of_routing_shards` to null on index creation ([#16331](https://github.com/opensearch-project/OpenSearch/pull/16331))
-- Fix inefficient Stream API call chains ending with count() ([#15386](https://github.com/opensearch-project/OpenSearch/pull/15386))
-- [Workload Management] Make query groups persistent across process restarts [#16370](https://github.com/opensearch-project/OpenSearch/pull/16370)
-- Fix missing fields in task index mapping to ensure proper task result storage ([#16201](https://github.com/opensearch-project/OpenSearch/pull/16201))
-- Fix typo super->sb in method toString() of RemoteStoreNodeAttribute ([#15362](https://github.com/opensearch-project/OpenSearch/pull/15362))
-- Fix array hashCode calculation in ResyncReplicationRequest ([#16378](https://github.com/opensearch-project/OpenSearch/pull/16378))
-- [Workload Management] Enhance rejection mechanism in workload management ([#16417](https://github.com/opensearch-project/OpenSearch/pull/16417))
-- [Workload Management] Fixing Create/Update QueryGroup TransportActions to execute from non-cluster manager nodes ([16422](https://github.com/opensearch-project/OpenSearch/pull/16422))
-- Fix flaky test in `testApproximateRangeWithSizeOverDefault` by adjusting totalHits assertion logic ([#16434](https://github.com/opensearch-project/OpenSearch/pull/16434#pullrequestreview-2386999409))
 - Revert changes to upload remote state manifest using minimum codec version([#16403](https://github.com/opensearch-project/OpenSearch/pull/16403))
 
 ### Security
 
-[Unreleased 2.x]: https://github.com/opensearch-project/OpenSearch/compare/2.17...2.x
+[Unreleased 2.x]: https://github.com/opensearch-project/OpenSearch/compare/2.18...2.x