[Backport][DOCS][8.19]: Backport Elasticssearch and Connectors 8.18.7 Release notes (#134907)

* Add connectors release notes for 8.18.7 (#134772)

* Update docs for v8.18.7 release (#134686)

Co-authored-by: elasticsearchmachine <infra-root+elasticsearchmachine@elastic.co>

* remove comming tag

---------

Co-authored-by: elasticsearchmachine <58790826+elasticsearchmachine@users.noreply.github.com>
Co-authored-by: elasticsearchmachine <infra-root+elasticsearchmachine@elastic.co>

docs/reference/connector/docs/connectors-release-notes.asciidoc

@@ -53,6 +53,17 @@ PR https://github.com/elastic/connectors/pull/3577[*#3577*] resolves this issue
 
 There are no new features, enhancements, fixes, known issues, or deprecations associated with this release.
 
+[discrete]
+[[es-connectors-release-notes-8-18-7]]
+=== 8.18.7
+
+[discrete]
+[[es-connectors-release-notes-8-18-7-enhancements]]
+==== Enhancements
+
+* Salesforce connector: Reduced API calls during field validation with caching, improving sync performance.
+See https://github.com/elastic/connectors/pull/3668[*PR 3668*].
+
 [discrete]
 [[es-connectors-release-notes-8-18-6]]
 === 8.18.6
@@ -270,4 +281,4 @@ See https://github.com/elastic/connectors/pull/2695[*PR 2695*].
 ==== Bug fixes
 
 * The Dropbox connector now fetches the files from team shared folders.
-See https://github.com/elastic/connectors/pull/2718[*PR 2718*].
+See https://github.com/elastic/connectors/pull/2718[*PR 2718*].

docs/reference/release-notes.asciidoc

@@ -11,6 +11,7 @@ This section summarizes the changes in each release.
 * <<release-notes-8.19.2>>
 * <<release-notes-8.19.1>>
 * <<release-notes-8.19.0>>
+* <<release-notes-8.18.7>>
 * <<release-notes-8.18.6>>
 * <<release-notes-8.18.5>>
 * <<release-notes-8.18.4>>
@@ -110,6 +111,7 @@ include::release-notes/8.19.3.asciidoc[]
 include::release-notes/8.19.2.asciidoc[]
 include::release-notes/8.19.1.asciidoc[]
 include::release-notes/8.19.0.asciidoc[]
+include::release-notes/8.18.7.asciidoc[]
 include::release-notes/8.18.6.asciidoc[]
 include::release-notes/8.18.5.asciidoc[]
 include::release-notes/8.18.4.asciidoc[]

docs/reference/release-notes/8.18.7.asciidoc

@@ -0,0 +1,56 @@
+[[release-notes-8.18.7]]
+== {es} version 8.18.7
+
+Also see <<breaking-changes-8.18,Breaking changes in 8.18>>.
+
+[[bug-8.18.7]]
+[float]
+=== Bug fixes
+
+Authorization::
+* Remove `DocumentSubsetBitsetCache` locking {es-pull}133681[#133681] (issue: {es-issue}132842[#132842])
+
+ES|QL::
+* Reserve memory for Lucene's TopN {es-pull}134235[#134235]
+
+Infra/Scripting::
+* Update `DefBootstrap` to handle Error from `ClassValue` {es-pull}133604[#133604]
+
+Infra/Settings::
+* Use latest setting value when initializing setting watch {es-pull}134091[#134091] (issue: {es-issue}133701[#133701])
+
+Ingest Node::
+* Fix `allow_duplicates` edge case bug in append processor {es-pull}134319[#134319]
+* Fix enrich caches outdated value after policy run {es-pull}133680[#133680]
+
+Machine Learning::
+* Ensuring only a single request executor object is created {es-pull}133424[#133424]
+* Fix double-counting of inference memory in the assignment rebalancer {es-pull}133919[#133919]
+
+Mapping::
+* Allow trailing empty string field names in paths of flattened field {es-pull}133611[#133611] (issue: {es-issue}130139[#130139])
+
+Relevance::
+* Disallow creating `semantic_text` fields in indices created prior to 8.11.0 {es-pull}133080[#133080]
+
+[[enhancement-8.18.7]]
+[float]
+=== Enhancements
+
+Authorization::
+* [Sentinel One] Add `manage`, `create_index`, `read`, `index`, `write`, `delete`, permission for third party agent indices `kibana_system` {es-pull}133793[#133793] (issue: {es-issue}133703[#133703])
+
+[[upgrade-8.18.7]]
+[float]
+=== Upgrades
+
+FIPS::
+* Bump bc-fips to 1.0.2.6 {es-pull}133198[#133198]
+
+Network::
+* Upgrade Netty to 4.1.126.Final {es-pull}134182[#134182]
+
+Security::
+* Bump bcpkix version {es-pull}132853[#132853]
+
+