[8.15] 8.15.3 Release notes (backport #5905) (#5948)

* First draft

* Update 8.15.asciidoc

* second draft

* Adds 194428

* Updates endpoint bug summary

* Update docs/release-notes/8.15.asciidoc

Co-authored-by: Gabriel Landau <[email protected]>

* Adds 194678

* Minor edits

* Fixes month

* Update docs/release-notes/8.15.asciidoc

Co-authored-by: Benjamin Ironside Goldstein <[email protected]>

* Update docs/release-notes/8.15.asciidoc

Co-authored-by: Benjamin Ironside Goldstein <[email protected]>

* Update docs/release-notes/8.15.asciidoc

---------

Co-authored-by: Gabriel Landau <[email protected]>
Co-authored-by: Benjamin Ironside Goldstein <[email protected]>
(cherry picked from commit 5ec4c64)

Co-authored-by: Nastasha Solomon <[email protected]>

Author: mergify[bot]

docs/release-notes.asciidoc

@@ -3,6 +3,7 @@
 
 This section summarizes the changes in each release.
 
+* <<release-notes-8.15.3, {elastic-sec} version 8.15.3>>
 * <<release-notes-8.15.2, {elastic-sec} version 8.15.2>>
 * <<release-notes-8.15.1, {elastic-sec} version 8.15.1>>
 * <<release-notes-8.15.0, {elastic-sec} version 8.15.0>>

docs/release-notes/8.14.asciidoc

@@ -37,7 +37,10 @@ When you add tags to alerts from the Alerts table, the previously-selected tags
 
 *Workaround* +
 
-When adding tags to an alert, click the previously-applied tags to re-apply them, then click them again to remove them. Save your changes by clicking *Apply tags*. This removes the old tags from the alert.
+Upgrade to 8.15.3. Alternatively, when adding tags to an alert, click the previously-applied tags to re-apply them, then click them again to remove them. Save your changes by clicking *Apply tags*. This removes the old tags from the alert.
+
+*Resolved* +
+On October 17, 2024, this issue was resolved.
 
 ====
 // end::known-issue-192084[]
@@ -84,7 +87,10 @@ When you add tags to alerts from the Alerts table, the previously-selected tags
 
 *Workaround* +
 
-When adding tags to an alert, click the previously-applied tags to re-apply them, then click them again to remove them. Save your changes by clicking *Apply tags*. This removes the old tags from the alert.
+Upgrade to 8.15.3. Alternatively, when adding tags to an alert, click the previously-applied tags to re-apply them, then click them again to remove them. Save your changes by clicking *Apply tags*. This removes the old tags from the alert.
+
+*Resolved* +
+On October 17, 2024, this issue was resolved.
 
 ====
 // end::known-issue-192084[]
@@ -131,7 +137,10 @@ When you add tags to alerts from the Alerts table, the previously-selected tags
 
 *Workaround* +
 
-When adding tags to an alert, click the previously-applied tags to re-apply them, then click them again to remove them. Save your changes by clicking *Apply tags*. This removes the old tags from the alert.
+Upgrade to 8.15.3. Alternatively, when adding tags to an alert, click the previously-applied tags to re-apply them, then click them again to remove them. Save your changes by clicking *Apply tags*. This removes the old tags from the alert.
+
+*Resolved* +
+On October 17, 2024, this issue was resolved.
 
 ====
 // end::known-issue-192084[]
@@ -182,7 +191,10 @@ When you add tags to alerts from the Alerts table, the previously-selected tags
 
 *Workaround* +
 
-When adding tags to an alert, click the previously-applied tags to re-apply them, then click them again to remove them. Save your changes by clicking *Apply tags*. This removes the old tags from the alert.
+Upgrade to 8.15.3. Alternatively, when adding tags to an alert, click the previously-applied tags to re-apply them, then click them again to remove them. Save your changes by clicking *Apply tags*. This removes the old tags from the alert.
+
+*Resolved* +
+On October 17, 2024, this issue was resolved.
 
 ====
 // end::known-issue-192084[]

docs/release-notes/8.15.asciidoc

@@ -1,6 +1,38 @@
 [[release-notes-header-8.15.0]]
 == 8.15
 
+[discrete]
+[[release-notes-8.15.3]]
+=== 8.15.3
+
+[discrete]
+[[known-issue-8.15.3]]
+==== Known issues
+
+// tag::known-issue-189676[]
+[discrete]
+.Tags appear in Elastic AI Assistant's responses
+[%collapsible]
+====
+*Details* +
+On August 1, 2024, it was discovered that Elastic AI Assistant's responses when using Bedrock Sonnet 3.5 may include `<antThinking>` tags, for example `<search_quality_reflection>` ({kibana-issue}189676[#189676]).
+
+====
+// end::known-issue-189676[]
+
+[discrete]
+[[bug-fixes-8.15.3]]
+==== Bug fixes
+* Fixes a bug that could cause {elastic-defend} to crash on Linux when scanning paths (or paths with children) which include virtual file systems, such as procfs.
+* Fixes a bug that made alerts wrongfully inherit previously-selected tags ({kibana-pull}194428[#194428]).
+* Prevents Automatic Import from requesting that LLMs map to reserved ECS fields ({kibana-pull}195168[#195168]).
+* Makes Automatic Import more forgiving if LLMs return ECS mappings in unexpected formats ({kibana-pull}195167[#195167]).
+* Fixes an Automatic Import bug that prevented non-ECS compatible fields from resolving in structured and unstructured system logs ({kibana-pull}194727[#194727]).
+* Fixes an Automatic Import bug that occurred when uploading a new version of an existing integration ({kibana-pull}194298[#194298]).
+* Fixes an Automatic Import bug that caused integration deployments to fail after you edited the ingest pipeline ({kibana-pull}194203[#194203]).
+* Improves Attack discoveries by including the `user.target.name` field in the default anonymization allow list ({kibana-pull}193496[#193496]).
+* Fixes an Attack discovery UI bug where entities repeated in a description were displayed with a UUID instead of a value ({kibana-pull}193428[#193428]).
+
 [discrete]
 [[release-notes-8.15.2]]
 === 8.15.2
@@ -31,7 +63,10 @@ When you add tags to alerts from the Alerts table, the previously-selected tags
 
 *Workaround* +
 
-When adding tags to an alert, click the previously-applied tags to re-apply them, then click them again to remove them. Save your changes by clicking *Apply tags*. This removes the old tags from the alert.
+Upgrade to 8.15.3. Alternatively, when adding tags to an alert, click the previously-applied tags to re-apply them, then click them again to remove them. Save your changes by clicking *Apply tags*. This removes the old tags from the alert.
+
+*Resolved* +
+On October 17, 2024, this issue was resolved.
 
 ====
 // end::known-issue-192084[]
@@ -93,7 +128,10 @@ When you add tags to alerts from the Alerts table, the previously-selected tags
 
 *Workaround* +
 
-When adding tags to an alert, click the previously-applied tags to re-apply them, then click them again to remove them. Save your changes by clicking *Apply tags*. This removes the old tags from the alert.
+Upgrade to 8.15.3. Alternatively, when adding tags to an alert, click the previously-applied tags to re-apply them, then click them again to remove them. Save your changes by clicking *Apply tags*. This removes the old tags from the alert.
+
+*Resolved* +
+On October 17, 2024, this issue was resolved.
 
 ====
 // end::known-issue-192084[]
@@ -197,7 +235,10 @@ When you add tags to alerts from the Alerts table, the previously-selected tags
 
 *Workaround* +
 
-When adding tags to an alert, click the previously-applied tags to re-apply them, then click them again to remove them. Save your changes by clicking *Apply tags*. This removes the old tags from the alert.
+Upgrade to 8.15.3. Alternatively, when adding tags to an alert, click the previously-applied tags to re-apply them, then click them again to remove them. Save your changes by clicking *Apply tags*. This removes the old tags from the alert.
+
+*Resolved* +
+On October 17, 2024, this issue was resolved.
 
 ====
 // end::known-issue-192084[]