Add Fleet & Agent 8.18.0 Release Notes (#1665) (#1750)

* Add Fleet & Agent 8.18.0 Release Notes

* Add second batch

* fix PR link

* Add BC4 agent item

* Update docs/en/ingest-management/release-notes/release-notes-8.18.asciidoc

* Update docs/en/ingest-management/release-notes/release-notes-8.17.asciidoc

* add latest entries

* Update docs/en/ingest-management/release-notes/release-notes-8.18.asciidoc

Co-authored-by: Eric Beahan <[email protected]>

* Update docs/en/ingest-management/release-notes/release-notes-8.18.asciidoc

Co-authored-by: Eric Beahan <[email protected]>

* Update docs/en/ingest-management/release-notes/release-notes-8.18.asciidoc

Co-authored-by: Craig MacKenzie <[email protected]>

* Update docs/en/ingest-management/release-notes/release-notes-8.18.asciidoc

Co-authored-by: Craig MacKenzie <[email protected]>

* Update docs/en/ingest-management/release-notes/release-notes-8.18.asciidoc

Co-authored-by: Kyle Pollich <[email protected]>

* Update docs/en/ingest-management/release-notes/release-notes-8.18.asciidoc

Co-authored-by: Kyle Pollich <[email protected]>

---------

Co-authored-by: Eric Beahan <[email protected]>
Co-authored-by: Craig MacKenzie <[email protected]>
Co-authored-by: Kyle Pollich <[email protected]>
(cherry picked from commit 42bbc05)

Co-authored-by: David Kilfoyle <[email protected]>

Author: mergify[bot]

docs/en/ingest-management/index.asciidoc

@@ -239,7 +239,7 @@ include::troubleshooting/troubleshooting.asciidoc[leveloffset=+2]
 
 include::troubleshooting/faq.asciidoc[leveloffset=+2]
 
-include::release-notes/release-notes-8.17.asciidoc[leveloffset=+1]
+include::release-notes/release-notes-8.18.asciidoc[leveloffset=+1]
 
 include::elastic-agent/install-fleet-managed-agent.asciidoc[leveloffset=+2]
 

docs/en/ingest-management/release-notes/release-notes-8.18.asciidoc

@@ -0,0 +1,229 @@
+// Use these for links to issue and pulls.
+:kibana-issue: https://github.com/elastic/kibana/issues/
+:kibana-pull: https://github.com/elastic/kibana/pull/
+:beats-issue: https://github.com/elastic/beats/issues/
+:beats-pull: https://github.com/elastic/beats/pull/
+:agent-libs-pull: https://github.com/elastic/elastic-agent-libs/pull/
+:agent-issue: https://github.com/elastic/elastic-agent/issues/
+:agent-pull: https://github.com/elastic/elastic-agent/pull/
+:fleet-server-issue: https://github.com/elastic/fleet-server/issues/
+:fleet-server-pull: https://github.com/elastic/fleet-server/pull/
+
+[[release-notes]]
+= Release notes
+
+This section summarizes the changes in each release.
+
+* <<release-notes-8.18.0>>
+
+Also see:
+
+* {kibana-ref}/release-notes.html[{kib} release notes]
+* {beats-ref}/release-notes.html[{beats} release notes]
+
+// begin 8.18.0 relnotes
+
+[[release-notes-8.18.0]]
+== {fleet} and {agent} 8.18.0
+
+Review important information about the {fleet} and {agent} 8.18.0 release.
+
+[discrete]
+[[new-features-8.18.0]]
+=== New features
+
+The 8.18.0 release Added the following new and notable features.
+
+{fleet}::
+* Add next steps and actions to the agentless integrations flyout. ({kibana-pull}203824[#203824])
+* Add support for selecting columns when exporting agents to CSV. ({kibana-pull}203103[#203103])
+* Add status tracking for agentless integrations. ({kibana-pull}199567[#199567])
+
+{agent}::
+* Add ability to run the Elastic Distribution of OTel Collector at the same time as other inputs. This feature is in technical preview. {agent-pull}5767[#5767] {agent-issue}5796[#5796]
+* Add a sample configuration to be used when deploying the link:https://github.com/open-telemetry/opentelemetry-helm-charts/tree/main/charts/opentelemetry-kube-stack[OpenTelemetry Kube Stack Helm Chart]. {agent-pull}5822[#5822]
+* Add the GeoIP OpenTelemetry processor to {agent}. {agent-pull}6134[#6134]
+* Add the link:https://github.com/open-telemetry/opentelemetry-collector-contrib/tree/main/connector/routingconnector[OpenTelemetry routing connector] to the Elastic Distribution of OTel Collector. {agent-pull}6210[#6210]
+* Add support for the link:https://github.com/open-telemetry/opentelemetry-collector-contrib/tree/main/exporter/loadbalancingexporter[OTel loadbalancing exporter] to {agent}. {agent-pull}6315[#6315]
+* Add a new Kubernetes deployment of the Elastic Distribution of OTel Collector named "gateway", to simplify the daemonset collector configuration and unify managed/self-managed scenarios. {agent-pull}6444[#6444]
+* Add the `components` command for {agent} in OTel mode, to list the supported components the the Elastic Distribution of OTel Collector includes. {agent-pull}6539[#6539]
+* Add the `receivercreator` and `k8sobserver` components to the Elastic Distribution of OTel Collector to help cover autodiscovery scenarios in Kubernetes. {agent-pull}6561[#6561]
+* Add the `kafkaexporter` and `kafkareceiver` the Elastic Distribution of OTel Collector to help prepare support for a Kafka output. {agent-pull}6593[#6593] {agent-issue}6562[#6562]
+* Add the nopreceiver to the Elastic Distribution of OTel Collector. {agent-pull}6603[#6603]
+* Change the default gRPC port to 0 when {agent} is run in a container. {agent-pull}6585[#6585]
+
+[discrete]
+[[enhancements-8.18.0]]
+=== Enhancements
+
+{fleet}::
+* Enable sub-feature privileges for {fleet}. ({kibana-pull}203182[#203182])
+
+{fleet-server}::
+* Validate user pbkdf2 settings for FIPS compliance. {fleet-server-pull}4542[#4542]
+* Update {fleet-server} Go version to 1.24.0. {fleet-server-pull}4543[#4543]
+
+
+{agent}::
+* Re-enable the OTel subcommand on Windows. {agent-pull}6068[#6068] {agent-issue}4976[#4976] {agent-issue}5710[#5710] 
+* Update the {agent} to only run composable providers if they are referenced in the agent policy. {agent-pull}6169[#6169] {agent-issue}3609[#3609] {agent-issue}4648[#4648]
+* Add a flag to skip {fleet} audit or unenroll when uninstalling {agent}. {agent-pull}6206[#6206] {agent-issue}5757[#5757]
+* Embed hints-based inputs in the {agent} Kubernetes container image. {agent-pull}6381[#6381] {agent-issue}5661[#5661]
+* Add an error to the Windows Application Event Log if the `install`, `uninstall`, or `enroll` commands fail. {agent-pull}6410[#6410] {agent-issue}6338[#6338] 
+* Add a logger to print the status and code when an {agent} enrollment call to {fleet} fails. {agent-pull}6477[#6477] {agent-issue}6287[#6287]
+* Update {agent} Go version to 1.24.0. {agent-pull}6932[#6932]
+* Update OTel components to v0.120.x. {agent-pull}7443[#7443]
+
+[discrete]
+[[bug-fixes-8.18.0]]
+=== Bug fixes
+
+{fleet}::
+* Support `is_default` on integration deployment modes. ({kibana-pull}208284[#208284])
+* Fix a UI error caused when an agent becomes orphaned. ({kibana-pull}207746[#207746])
+* Restrict non-local {es} output types for agentless integrations and policies. ({kibana-pull}207296[#207296])
+* Fix API code to prevent bulk actions from timing out. ({kibana-pull}205735[#205735])
+* Fix generation of dynamic mapping for objects with specific subfields. ({kibana-pull}204104[#204104])
+* Fix logic to ensure that agents are only considered stuck in updating when an upgrade fails. ({kibana-pull}202126[#202126])
+
+{fleet-server}::
+* Return a 429 error when the {fleet-server} connection limit is reached instead of silently closing connections. {fleet-server-pull}4402[#4402]
+
+{agent}::
+* Prevent installation of {elastic-defend} in emulated environment, in which it's not supported. {agent-pull}6095[#6095] {agent-issue}6082[#6082] 
+* Re-enable notifying {fleet} when [agent] is uninstalled on Windows. {agent-pull}6257[#6257] {agent-issue}5952[#5952]
+* Log a warning on same version upgrade attempts and prevent the agent from reporting a failed upgrade state. {agent-pull}6273[#6273] {agent-issue}6186[#6186]
+* Add retries for requesting download verifiers when upgrading an agent. {agent-pull}6276[#6276] {agent-issue}5163[#5163]
+* Replace `list` with `items` from from `kibanaFetchToken` as `list` is deprecated in the API response and will be removed. {agent-pull}6437[#6437] {agent-issue}6023[#6023]
+* Restore `cloud-defend` as an expected binary after it was accidentally removed from containers in 8.17.0 and later versions. {agent-pull}6470[#6470] {agent-issue}6469[#6469]
+* Restore the `maintainer` label for container images rather than the default inherited from a base image. {agent-pull}6512[#6512]
+* Fix enrollment for containerized {agent} when the enrollment token changes or the agent is unenrolled. {agent-pull}6568[#6568] {agent-issue}3586[#3586]
+* Change how Windows process handles are obtained when assigning sub-processes to Job objects. {agent-pull}6825[#6825]
+
+// end 8.18.0 relnotes
+
+// ---------------------
+//TEMPLATE
+//Use the following text as a template. Remember to replace the version info.
+
+// begin 8.7.x relnotes
+
+//[[release-notes-8.7.x]]
+//== {fleet} and {agent} 8.7.x
+
+//Review important information about the {fleet} and {agent} 8.7.x release.
+
+//[discrete]
+//[[security-updates-8.7.x]]
+//=== Security updates
+
+//{fleet}::
+//* add info
+
+//{agent}::
+//* add info
+
+//[discrete]
+//[[breaking-changes-8.7.x]]
+//=== Breaking changes
+
+//Breaking changes can prevent your application from optimal operation and
+//performance. Before you upgrade, review the breaking changes, then mitigate the
+//impact to your application.
+
+//[discrete]
+//[[breaking-PR#]]
+//.Short description
+//[%collapsible]
+//====
+//*Details* +
+//<Describe new behavior.> For more information, refer to {kibana-pull}PR[#PR].
+
+//*Impact* +
+//<Describe how users should mitigate the change.> For more information, refer to {fleet-guide}/fleet-server.html[Fleet Server].
+//====
+
+//[discrete]
+//[[notable-changes-8.13.0]]
+//=== Notable changes
+
+//The following are notable, non-breaking updates to be aware of:
+
+//* Changes to features that are in Technical Preview.
+//* Changes to log formats.
+//* Changes to non-public APIs.
+//* Behaviour changes that repair critical bugs.
+
+//{fleet}::
+//* add info
+
+//{agent}::
+//* add info
+
+//[discrete]
+//[[known-issues-8.7.x]]
+//=== Known issues
+
+//[[known-issue-issue#]]
+//.Short description
+//[%collapsible]
+//====
+
+//*Details*
+
+//<Describe known issue.>
+
+//*Impact* +
+
+//<Describe impact or workaround.>
+
+//====
+
+//[discrete]
+//[[deprecations-8.7.x]]
+//=== Deprecations
+
+//The following functionality is deprecated in 8.7.x, and will be removed in
+//8.7.x. Deprecated functionality does not have an immediate impact on your
+//application, but we strongly recommend you make the necessary updates after you
+//upgrade to 8.7.x.
+
+//{fleet}::
+//* add info
+
+//{agent}::
+//* add info
+
+//[discrete]
+//[[new-features-8.7.x]]
+//=== New features
+
+//The 8.7.x release Added the following new and notable features.
+
+//{fleet}::
+//* add info
+
+//{agent}::
+//* add info
+
+//[discrete]
+//[[enhancements-8.7.x]]
+//=== Enhancements
+
+//{fleet}::
+//* add info
+
+//{agent}::
+//* add info
+
+//[discrete]
+//[[bug-fixes-8.7.x]]
+//=== Bug fixes
+
+//{fleet}::
+//* add info
+
+//{agent}::
+//* add info
+
+// end 8.7.x relnotes