Add Fleet & Agent 8.15.0 Release Notes (#1201)

* Add Fleet & Agent 8.15.0 Release Notes

* Add agent items (not complete yet)

* Add remaining agent items

* Add new agent item

* touchup

* Add Fleet items

* Address Kyle's comments

docs/en/ingest-management/index.asciidoc

@@ -217,7 +217,7 @@ include::troubleshooting/troubleshooting.asciidoc[leveloffset=+2]
 
 include::troubleshooting/faq.asciidoc[leveloffset=+2]
 
-include::release-notes/release-notes-8.14.asciidoc[leveloffset=+1]
+include::release-notes/release-notes-8.15.asciidoc[leveloffset=+1]
 
 include::elastic-agent/install-fleet-managed-agent.asciidoc[leveloffset=+2]
 

docs/en/ingest-management/release-notes/release-notes-8.14.asciidoc

@@ -37,8 +37,8 @@ Review important information about the {fleet} and {agent} 8.14.3 release.
 
 {agent}::
 * Update the `elastic-agent install -f` command to use paths associated with the installed agent binary instead of paths associated with the agent running the install command. {agent-pull}4965[#4965] {agent-issue}4506[#4506]
-* Allow the {agent} container to work with a read-only filesystem. {agent-pull}5010[#5010]
-* Upgrade NodeJS to LTS version 18.20.3. {agent-pull}4995[#4995]
+* Allow the {agent} container to work with a read-only filesystem. {agent-pull}4995[#4995]
+* Upgrade NodeJS to LTS version 18.20.3. {agent-pull}5010[#5010]
 * Fix {agent} to account for the timeout period when waiting for {fleet-server} to start. {agent-pull}5034[#5034] {agent-issue}5033[#5033]
 
 // end 8.14.3 relnotes

docs/en/ingest-management/release-notes/release-notes-8.15.asciidoc

@@ -0,0 +1,250 @@
+// 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-8.15.0>>
+
+Also see:
+
+* {kibana-ref}/release-notes.html[{kib} release notes]
+* {beats-ref}/release-notes.html[{beats} release notes]
+
+// begin 8.15.0 relnotes
+
+[[release-notes-8.15.0]]
+== {fleet} and {agent} 8.15.0
+
+Review important information about the {fleet} and {agent} 8.15.0 release.
+
+[discrete]
+[[security-updates-8.15.0]]
+=== Security updates
+
+{fleet-server}::
+* Update {fleet-server} Go version to 1.22.5. {fleet-server-pull}3681[#3681]
+
+[discrete]
+[[new-features-8.15.0]]
+=== New features
+
+The 8.15.0 release Added the following new and notable features.
+
+{fleet-server}::
+* When {fleet-server} runs in `elastic-agent` mode, it's now able to use the enrollment configuration options in `output.elasticsearch.bootstrap` from its policy, instead of overwriting the matching keys in `output.elasticsearch`. {fleet-server-pull}3506[#3506] {fleet-server-issue}3464[#3464]
+* As part of making {fleet} space aware, {fleet-server} now adds a `namespaces` property to created `.fleet-*` documents. {fleet-server-pull}3535[#3535] {fleet-server-issue}3505[#3505]
+
+{agent}::
+* Enable {agent} to monitor and report usage metrics for {elastic-endpoint}. {agent-pull}4789[#4789] {agent-issue}4083[#4083]
+* Add the AWS Asset Inventory input to Cloudbeat. {agent-pull}4804[#4804]
+* Unhide the `--unprivileged` option for the `elastic-agent install` command and mark the usage of the flag as being in a `beta` technical preview state. {agent-pull}4914[#4914]
+* To ensure that {agent} starts correctly when run in a container, ensure that the `statePath` set by the container command generates a Unix socket path that is smaller than 108 characters. {agent-pull}4909[#4909]
+* Enable {agent} to receive an event logger configuration through {fleet}. {agent-pull}4932[#4932] {agent-issue}4874[#4874]
+
+[discrete]
+[[enhancements-8.15.0]]
+=== Enhancements
+
+{fleet}::
+* Use API key for standalone agent onboarding. ({kibana-pull}187133[#187133])
+//* Add action for upgrading all agents on a policy. ({kibana-pull}186827[#186827])
+//* Change agent policies in edit package policy page. ({kibana-pull}186084[#186084])
+//* Create shared package policy. ({kibana-pull}185916[#185916])
+* Make {fleet} & Integrations layouts full width. ({kibana-pull}186056[#186056])
+* Add support for setting `add_fields` processors on all agents under an agent policy. ({kibana-pull}184693[#184693])
+//* Introduce `policy_ids` in package policy SO ({kibana-pull}184636[#184636])
+* Add force flag to delete `agent_policies` API. ({kibana-pull}184419[#184419])
+* Surface option to delete diagnostics files. ({kibana-pull}183690[#183690])
+* Add data tags to agent policy APIs. ({kibana-pull}183563[#183563])
+* Allow to reset log level for agents >= 8.15.0. ({kibana-pull}183434[#183434])
+* Add support for mappings with `store: true`. ({kibana-pull}183390[#183390])
+* Add warning if need root integrations trying to be used with unprivileged agents. ({kibana-pull}183283[#183283])
+* Add unprivileged vs privileged agent count to Fleet UI. ({kibana-pull}183077[#183077])
+* Show all integration assets on detail page. ({kibana-pull}182180[#182180])
+* Add overrides to package policies update endpoint. ({kibana-pull}181453[#181453])
+* Enable `agent.monitoring.http` settings on agent policy UI. ({kibana-pull}180922[#180922])
+* Share Modal redesign, clean up, and tests. ({kibana-pull}180406[#180406])
+* UI for the custom integration creation with AI. ({kibana-pull}186304[#186304])
+
+{fleet-server}::
+*  {agent} diagnostic bundles now provide additional TLS information for {fleet-server}. {fleet-server-pull}3587[#3587] 
+
+{agent}::
+//* Support setting {agent} log level from a {fleet} policy. {agent-pull}3090[#3090] {agent-issue}2851[#2851]
+// On hold based on conversation with Shaunak
+* Add commands to switch between {agent} `unprivileged` and `privileged` modes. {agent-pull}4621[#4621] {agent-issue}2790[#2790]
+* Implement reading and applying TLS configuration for a {fleet} client using the CA, certificate, and key included in a {fleet} policy. {agent-pull}4770[#4770] {agent-issue}2247[#2247] {agent-issue}2248[#2248]
+* Add {filebeat} benchmark input to {agent}. {agent-issue}4849[#4849]
+* Add a `conn` param and a `conn-skip` flag to the {agent} diagnostics command. {agent-pull}4946[#4946] {agent-issue}4880[#4880]
+* Add the ability for a variable to not be expanded and replaced in {agent} inputs. {agent-pull}5035[#5035] {agent-issue}2177[#2177]
+* Inject the `proxy_url` value into {endpoint}'s {es} output configuration, and {endpoint} or {apm}'s {fleet} configuration if the attribute is missing and either the `HTTPS_PROXY` or `HTTP_PROXY` environment variable is set. {agent-pull}5044[#5044] {agent-issue}2602[#2602]
+
+[discrete]
+[[bug-fixes-8.15.0]]
+=== Bug fixes
+
+{fleet}::
+* Fix navigating back to Agent policy integration list. ({kibana-pull}189165[#189165])
+* Fix copy agent policy, missed bump revision. ({kibana-pull}188935[#188935])
+* Force field `enabled=false` on inputs that have all their streams disabled. ({kibana-pull}188919[#188919])
+* Fill in empty values for `constant_keyword` fields from existing mappings. ({kibana-pull}188145[#188145])
+* Enrollment token table may show an empty last page. ({kibana-pull}188049[#188049])
+* Separate `showInactive` from unenrolled status filter. ({kibana-pull}187960[#187960])
+* Missing policy filter in Fleet Server check to enable secrets. ({kibana-pull}187935[#187935])
+* Allow preconfigured agent policy only with name and ID. ({kibana-pull}187542[#187542])
+* Show warning callout in configs tab when an error occurs. ({kibana-pull}187487[#187487])
+* Enable rollover in custom integrations install when getting `mapper_exception` error. ({kibana-pull}186991[#186991])
+* Add concurrency limit to EPM bulk install API and fix duplicate installations. ({kibana-pull}185900[#185900])
+* Include inactive agents in agent policy agent count. ({kibana-pull}184517[#184517])
+* Fix KQL filtering. ({kibana-pull}183757[#183757])
+* Prevent concurrent runs of Fleet setup. ({kibana-pull}183636[#183636])
+
+{fleet-server}::
+* Support receiving the download rate sent by {agent} in string format. {fleet-server-pull}3677[#3677] {fleet-server-issue}3446[#3446] 
+
+{agent}::
+* When {agent} starts, wait for Watcher to start before releasing resources associated with it. {agent-pull}4834[#4834] {agent-issue}2190[#2190]
+* For the Kubernetes provider, fix the namespace filter on watchers started by a pod and service eventer. {agent-pull}4975[#4975]
+* Adjust the {agent} `container` subcommand to write the `container-paths.yml` configuration into the `STATE_PATH` on startup. {agent-pull}4995[#4995]
+* Apply setting capabilities to the correct binary. {agent-pull}5070[#5070]
+* Reduce {agent} image size by setting capabilities in the builder Docker image instead of the final image. {agent-pull}5070[#5073]
+* Fix an issue where installation can fail on Windows systems in the case that the user doesn't have a home directory. {agent-pull}5118[#5118] {agent-issue}5019[#5019]
+
+// end 8.15.0 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