Add Fleet & Agent 8.16.6 Release Notes

Author: kilfoyle

docs/en/ingest-management/release-notes/release-notes-8.16.asciidoc

@@ -5,7 +5,7 @@
 :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/
+:agent-pull: 
 :fleet-server-issue: https://github.com/elastic/fleet-server/issues/
 :fleet-server-pull: https://github.com/elastic/fleet-server/pull/
 
@@ -14,6 +14,7 @@
 
 This section summarizes the changes in each release.
 
+* <<release-notes-8.16.6>>
 * <<release-notes-8.16.5>>
 * <<release-notes-8.16.4>>
 * <<release-notes-8.16.3>>
@@ -26,6 +27,37 @@ Also see:
 * {kibana-ref}/release-notes.html[{kib} release notes]
 * {beats-ref}/release-notes.html[{beats} release notes]
 
+// begin 8.16.6 relnotes
+
+[[release-notes-8.16.6]]
+== {fleet} and {agent} 8.16.6
+
+Review important information about the {fleet} and {agent} 8.16.6 release.
+
+[discrete]
+[[enhancements-8.16.6]]
+=== Enhancements
+
+{agent}::
+* Include all metadata that is sent to {fleet} in the `agent-info.yaml` file in diagnostics by default. {agent-pull}7029[#7029]
+
+[discrete]
+[[bug-fixes-8.16.6]]
+=== Bug fixes
+
+{agent}::
+* Add conditions To `copy_fields` processors to prevent spamming the debug logs. {agent-pull}6730[#6730] {agent-issue}5299[#5299]
+* Make enroll command backoff more conservative. {agent-pull}6983[#6983] {agent-issue}https://github.com/elastic/elastic-agent/issues/6761[#https://github.com/elastic/elastic-agent/issues/6761]
+* Add missing null checks to AST methods. {agent-pull}7009[#7009] {agent-issue}https://github.com/elastic/elastic-agent/issues/6999[#https://github.com/elastic/elastic-agent/issues/6999]
+* Fix an issue where `fixpermissions` on Windows incorrectly returned an error message due to improper handling of Windows API return values. {agent-pull}7059[#7059] {agent-issue}https://github.com/elastic/elastic-agent/issues/6917[#https://github.com/elastic/elastic-agent/issues/6917]
+* Support IPv6 hosts in enroll URL. {agent-pull}7036[#7036] 
+* Support IPv6 hosts in GRPC configuration. {agent-pull}7035[#7035] 
+* Rotate logger output file when writing to a symbolic link. {agent-pull}https://github.com/elastic/elastic-agent/6938[#https://github.com/elastic/elastic-agent/6938] 
+* Do not fail Windows permission updates on missing files or paths. {agent-pull}7305[#7305] {agent-issue}https://github.com/elastic/elastic-agent/issues/7301[#https://github.com/elastic/elastic-agent/issues/7301]
+* Make `otelcol` executable in the Docker image. {agent-pull}7345[#7345] 
+
+// end 8.16.6 relnotes
+
 // begin 8.16.5 relnotes
 
 [[release-notes-8.16.5]]