Add Fleet & Agent 8.11.1 Release Notes (#681)

* Add Fleet & Agent 8.11.1 Release Notes

* Add known issue for upgrade problem

docs/en/ingest-management/release-notes/release-notes-8.11.asciidoc

@@ -14,22 +14,76 @@
 
 This section summarizes the changes in each release.
 
+* <<release-notes-8.11.1>>
 * <<release-notes-8.11.0>>
 
 Also see:
 
 * {kibana-ref}/release-notes.html[{kib} release notes]
 * {beats-ref}/release-notes.html[{beats} release notes]
 
+// begin 8.11.1 relnotes
+
+[[release-notes-8.11.1]]
+== {fleet} and {agent} 8.11.1
+
+Review important information about {fleet-server} and {agent} for the 8.11.1 release.
+
+[discrete]
+[[breaking-changes-8.11.1]]
+=== Breaking changes
+
+[[breaking-3712-8.11.1]]
+* The <<breaking-3712,breaking change>> that could prevent the {agent} or Integrations Server component from booting up within an ECE deployment has been resolved in this release.
+
+[discrete]
+[[known-issues-8.11.1]]
+=== Known issues
+
+[[known-issue-169825-8.11.1]]
+.Version 8.11.0 is not in the list of {agent} versions in {kib} {fleet} UI
+[%collapsible]
+====
+
+*Details*
+
+On the {fleet} UI in {kib} version 8.11.0:
+
+* When adding a new {agent}, the user interface shows version 8.10.4 instead of 8.11.0.
+* When attempting to upgrade, the modal window to pick the version shows 8.10.4 as latest version.
+
+*Impact* +
+
+For a workaround, refer to the steps in this knowledge article: link:https://support.elastic.dev/knowledge/view/86bef2c1[Cannot upgrade Fleet Managed Elastic Agents to 8.11.0 via Fleet UI in 8.11.0].
+
+====
+
+[discrete]
+[[new-features-8.11.1]]
+=== New features
+
+The 8.11.1 release Added the following new and notable features.
+
+{agent}::
+* Add the dimensions `component.id` and `component.binary` to {agent} and {beats} monitoring output, to support unique entries for the Time Series Database (TSDB) feature. {agent-pull}3626[#3626] https://github.com/elastic/integrations/issues//7977[#7977]
+
+[discrete]
+[[bug-fixes-8.11.1]]
+=== Bug fixes
+
+{fleet}::
+* Append space ID to security solution tag. ({kibana-pull}170789[#170789]).
+* Modify bulk unenroll to include inactive agents. ({kibana-pull}170249[#170249]).
+
+// end 8.11.1 relnotes
+
 // begin 8.11.0 relnotes
 
 [[release-notes-8.11.0]]
 == {fleet} and {agent} 8.11.0
 
 Review important information about {fleet-server} and {agent} for the 8.11.0 release.
 
-For {fleet} updates, refer to the {kibana-ref}/release-notes.html[{kib} Release Notes].
-
 [discrete]
 [[security-updates-8.7.x]]
 === Security updates
@@ -45,6 +99,9 @@ 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-3712]]
 .Integrations Server / APM unable to boot in specific ECE environments
@@ -82,12 +139,41 @@ Pods that will be created from deployments or cronjobs will not have the extra m
 For more information, refer to {agent-pull}3593[#3593].
 ====
 
+[discrete]
+[[known-issues-8.11.0]]
+=== Known issues
+
+[[known-issue-169825-8.11.0]]
+.Version 8.11.0 is not in the list of {agent} versions in {kib} {fleet} UI
+[%collapsible]
+====
+
+*Details*
+
+On the {fleet} UI in {kib} version 8.11.0:
+
+* When adding a new {agent}, the user interface shows version 8.10.4 instead of 8.11.0.
+* When attempting to upgrade, the modal window to pick the version shows 8.10.4 as latest version.
+
+*Impact* +
+
+For a workaround, refer to the steps in this knowledge article: link:https://support.elastic.dev/knowledge/view/86bef2c1[Cannot upgrade Fleet Managed Elastic Agents to 8.11.0 via Fleet UI in 8.11.0].
+
+====
+
+
 [discrete]
 [[new-features-8.11.0]]
 === New features
 
 The 8.11.0 release Added the following new and notable features.
 
+{fleet}::
+* Set env variable `ELASTIC_NETINFO:false` in {kib} ({kibana-pull}166156[#166156]).
+* Added restart upgrade action ({kibana-pull}166154[#166154]).
+* Adds ability to set a proxy for agent binary source ({kibana-pull}164168[#164168]).
+* Adds ability to set a proxy for agent download source ({kibana-pull}164078[#164078]).
+
 {agent}::
 * Add support for processors in hints-based Kubernetes autodiscover. {agent-pull}3107[#3107] {agent-issue}2959[#2959]
 * Print out {agent} installation steps to show progress. {agent-pull}3338[#3338]
@@ -97,6 +183,9 @@ The 8.11.0 release Added the following new and notable features.
 [[enhancements-8.11.0]]
 === Enhancements
 
+{fleet}::
+* Adds sidebar navigation showing headings extracted from the readme ({kibana-pull}167216[#167216]).
+
 {fleet-server}::
 * Expand APM traces to track coordinator and monitor transactions. Add additonal spans across all API endpoints to better track what the server does. Add spans to bulker interactions that link with the queue flush transaction that the bulk action is executed through. {fleet-server-pull}2929[#2929]
 * Add endpoint to serve PGP keys that clients can use when validating upgrades in cases where the embedded PGP key in a client is compromised and the client can't reach the internet. {fleet-server-pull}2977[#2977] {fleet-server-issue}2887[#2887]
@@ -116,6 +205,9 @@ The 8.11.0 release Added the following new and notable features.
 [[bug-fixes-8.11.0]]
 === Bug fixes
 
+{fleet}::
+* Vastly improve performance of Fleet final pipeline's date formatting logic for `event.ingested` ({kibana-pull}167318[#167318]).
+
 {fleet-server}::
 * Fix errors produced by the {fleet-server} bulker to be ECS compliant. {fleet-server-pull}3034[#3034] {fleet-server-issue}3033[#3033]