Rebase changelog.

Signed-off-by: Finn Carroll <[email protected]>

Author: finnegancarroll

CHANGELOG.md

@@ -5,20 +5,24 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased 3.x]
 ### Added
+
+- Add support for a ForkJoinPool type ([#19008](https://github.com/opensearch-project/OpenSearch/pull/19008))
 - Add seperate shard limit validation for local and remote indices ([#19532](https://github.com/opensearch-project/OpenSearch/pull/19532))
 - Use Lucene `pack` method for `half_float` and `usigned_long` when using `ApproximatePointRangeQuery`.
 - Add a mapper for context aware segments grouping criteria ([#19233](https://github.com/opensearch-project/OpenSearch/pull/19233))
 - Return full error for GRPC error response ([#19568](https://github.com/opensearch-project/OpenSearch/pull/19568))
 - Add pluggable gRPC interceptors with explicit ordering([#19005](https://github.com/opensearch-project/OpenSearch/pull/19005))
 - Add BindableServices extension point to transport-grpc-spi ([#19304](https://github.com/opensearch-project/OpenSearch/pull/19304))
 - Add metrics for the merged segment warmer feature ([#18929](https://github.com/opensearch-project/OpenSearch/pull/18929))
+- Add pointer based lag metric in pull-based ingestion ([#19635](https://github.com/opensearch-project/OpenSearch/pull/19635))
 
 ### Changed
 - Faster `terms` query creation for `keyword` field with index and docValues enabled ([#19350](https://github.com/opensearch-project/OpenSearch/pull/19350))
 - Refactor to move prepareIndex and prepareDelete methods to Engine class ([#19551](https://github.com/opensearch-project/OpenSearch/pull/19551))
 - Omit maxScoreCollector in SimpleTopDocsCollectorContext when concurrent segment search enabled ([#19584](https://github.com/opensearch-project/OpenSearch/pull/19584))
 - Onboarding new maven snapshots publishing to s3 ([#19619](https://github.com/opensearch-project/OpenSearch/pull/19619))
 - Remove MultiCollectorWrapper and use MultiCollector in Lucene instead ([#19595](https://github.com/opensearch-project/OpenSearch/pull/19595))
+- Change implementation for `percentiles` aggregation for latency improvement ([#19648](https://github.com/opensearch-project/OpenSearch/pull/19648))
 
 ### Fixed
 - Fix Allocation and Rebalance Constraints of WeightFunction are incorrectly reset ([#19012](https://github.com/opensearch-project/OpenSearch/pull/19012))
@@ -36,6 +40,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Bump `com.azure:azure-storage-common` from 12.30.2 to 12.30.3 ([#19615](https://github.com/opensearch-project/OpenSearch/pull/19615))
 - Bump `peter-evans/create-issue-from-file` from 5 to 6 ([#19616](https://github.com/opensearch-project/OpenSearch/pull/19616))
 - Bump `com.squareup.okhttp3:okhttp` from 5.1.0 to 5.2.1 ([#19614](https://github.com/opensearch-project/OpenSearch/pull/19614))
+- Bump `stefanzweifel/git-auto-commit-action` from 6 to 7 ([#19689](https://github.com/opensearch-project/OpenSearch/pull/19689))
 
 ### Deprecated