Adding Opensearch version details to Advanced Search Admin docs

doc/integration/elasticsearch.md

@@ -14,11 +14,14 @@ Advanced Search provides faster search response times and [improved search featu
 
 ## Version requirements
 
+> Support for Elasticsearch 6.8 was [deprecated](https://gitlab.com/gitlab-org/gitlab/-/issues/350275) in GitLab 14.8 and is scheduled for removal in GitLab 15.0.
+
 <!-- Remember to update ee/lib/system_check/app/elasticsearch_check.rb if this changes -->
 
 | GitLab version                                 | Elasticsearch version          |
-|---------------------------------------------|-------------------------------|
-| GitLab Enterprise Edition 13.9 or greater   | Elasticsearch 6.8 through 7.x |
+|------------------------------------------------|--------------------------------|
+| GitLab Enterprise Edition 14.8 or later        | Elasticsearch 7.x through 7.17 |
+| GitLab Enterprise Edition 13.9 through 14.7    | Elasticsearch 6.8 through 7.17 |
 | GitLab Enterprise Edition 13.3 through 13.8    | Elasticsearch 6.4 through 7.x  |
 | GitLab Enterprise Edition 12.7 through 13.2    | Elasticsearch 6.x through 7.x  |
 | GitLab Enterprise Edition 11.5 through 12.6    | Elasticsearch 5.6 through 6.x  |
@@ -35,9 +38,9 @@ before we remove them.
 GitLab does not support:
 
 - [Amazon's OpenSearch](https://aws.amazon.com/blogs/opensource/opensearch-1-0-launches/)
-(a [fork of Elasticsearch](https://www.elastic.co/what-is/opensearch)).
+(a [fork of Elasticsearch](https://www.elastic.co/what-is/opensearch)). Use AWS Elasticsearch Service 7.10 instead.
 For updates, see [issue #327560](https://gitlab.com/gitlab-org/gitlab/-/issues/327560).
-- Elasticsearch 8.0. For updates, see [issue #350600](https://gitlab.com/gitlab-org/gitlab/-/issues/350600).
+- Elasticsearch 8.0. For updates, see [issue #350600](https://gitlab.com/gitlab-org/gitlab/-/issues/350600). Use Elasticsearch 7.17 instead.
 
 ## System requirements