release note for 2.18.0 release (#3168) (#3171)

Signed-off-by: Dhrubo Saha <[email protected]>
(cherry picked from commit 1fd3d37)

Co-authored-by: Dhrubo Saha <[email protected]>

release-notes/opensearch-ml-common.release-notes-2.18.0.0.md

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+## Version 2.18.0.0 Release Notes
+
+Compatible with OpenSearch 2.18.0
+
+### Enhancements
+
+* Filter out remote model auto redeployment (#2976)[https://github.com/opensearch-project/ml-commons/pull/2976]
+* Allow llmQuestion to be optional when llmMessages is used. (#3072)[https://github.com/opensearch-project/ml-commons/pull/3072]
+* Enhance batch job task management by adding default action types (#3080)[https://github.com/opensearch-project/ml-commons/pull/3080]
+* use connector credential in offline batch ingestion (#2989)[https://github.com/opensearch-project/ml-commons/pull/2989]
+* change to model group access for batch job task APIs (#3098)[https://github.com/opensearch-project/ml-commons/pull/3098]
+* add rate limiting for offline batch jobs, set default bulk size to 500 (#3116)[https://github.com/opensearch-project/ml-commons/pull/3116]
+* Support ML Inference Search Processor Writing to Search Extension (#3061)[https://github.com/opensearch-project/ml-commons/pull/3061]
+* Enable pass query string to input_map in ml inference search response processor (#2899)[https://github.com/opensearch-project/ml-commons/pull/2899]
+* add config field in MLToolSpec for static parameters (#2977)[https://github.com/opensearch-project/ml-commons/pull/2977]
+* Add textract and comprehend url to trusted enpoints (#3154)[https://github.com/opensearch-project/ml-commons/pull/3154]
+
+
+### Bug Fixes
+
+* Fix ml inference ingest processor always return list using JsonPath (#2985)[https://github.com/opensearch-project/ml-commons/pull/2985]
+* populate time fields for connectors on return (#2922)[https://github.com/opensearch-project/ml-commons/pull/2922]
+* Fix for rag processor throwing NPE when optional parameters are not provided (#3057)[https://github.com/opensearch-project/ml-commons/pull/3057]
+* Fix PR #2976 bug due to missing adding function_name and algorithm in querying models (#3104)[https://github.com/opensearch-project/ml-commons/pull/3104]
+* Gracefully handle error when generative_qa_parameters is not provided (#3100)[https://github.com/opensearch-project/ml-commons/pull/3100]
+* Fix error log to show the right agent type (#2809)[https://github.com/opensearch-project/ml-commons/pull/2809]
+* fix model stuck in deploying state during node crash/cluster restart (#3137)[https://github.com/opensearch-project/ml-commons/pull/3137]
+
+### Maintenance
+
+* Bump protobuf version to 3.25.5 to patch potential DOS (#3083)[https://github.com/opensearch-project/ml-commons/pull/3083]
+* removing api keys from the integ test log (#3112)[https://github.com/opensearch-project/ml-commons/pull/3112]
+* Bump actions/download-artifact from 3 to 4.1.7 in /.github/workflows (#2881)[https://github.com/opensearch-project/ml-commons/pull/2881]
+* allowing backport prs to skip approval (#3132)[https://github.com/opensearch-project/ml-commons/pull/3132]
+* updating the approval requirement (#3148)[https://github.com/opensearch-project/ml-commons/pull/3148]
+* unblocking the integ test pipeline for release (#3159)[https://github.com/opensearch-project/ml-commons/pull/3159]
+
+### Infrastructure
+
+* Support index.auto_expand_replicas 0-all for .plugins-ml-config (#3017)[https://github.com/opensearch-project/ml-commons/pull/3017]
+* Add Test Env Require Approval Action (#3005)[https://github.com/opensearch-project/ml-commons/pull/3005]
+* upgrading upload artifact to v4 (#3162)[https://github.com/opensearch-project/ml-commons/pull/3162]
+
+### Documentation
+
+* add tutorial for cross-account model invocation on amazon managed cluster (#3064)[https://github.com/opensearch-project/ml-commons/pull/3064]
+* support role temporary credential in connector tutorial (#3058)[https://github.com/opensearch-project/ml-commons/pull/3058]
+* connector blueprint for amazon bedrock converse (#2960)[https://github.com/opensearch-project/ml-commons/pull/2960]
+* Updates dev guide to inform the workflow approval step (#3062)[https://github.com/opensearch-project/ml-commons/pull/3062]
+* tune titan embedding model blueprint for v2 (#3094)[https://github.com/opensearch-project/ml-commons/pull/3094]
+* Add bedrock multimodal build-in function usage example in doc (#3073)[https://github.com/opensearch-project/ml-commons/pull/3073]
+
+