8.19.1 release notes (#7017)

* 8.19.1 release notes

* removes 8.19.0 adv policy RN

* moves Defend RN

Author: natasha-moore-elastic

docs/release-notes.asciidoc

@@ -3,6 +3,7 @@
 
 This section summarizes the changes in each release.
 
+* <<release-notes-8.19.1, {elastic-sec} version 8.19.1>>
 * <<release-notes-8.19.0, {elastic-sec} version 8.19.0>>
 * <<release-notes-8.18.4, {elastic-sec} version 8.18.4>>
 * <<release-notes-8.18.3, {elastic-sec} version 8.18.3>>

docs/release-notes/8.19.asciidoc

@@ -1,6 +1,21 @@
 [[release-notes-header-8.19.0]]
 == 8.19
 
+[discrete]
+[[release-notes-8.19.1]]
+=== 8.19.1
+
+[discrete]
+[[enhancements-8.19.1]]
+==== Enhancements
+* Adds advanced policy settings in {elastic-defend} to enable collection of file origin information for File, Process, and DLL (ImageLoad) events ({kibana-pull}223882[#223882], {kibana-pull}222030[#222030]).
+
+[discrete]
+[[bug-fixes-8.19.1]]
+==== Fixes
+* Fixes a bug where Security AI Assistant settings landed on the wrong page for users on the Basic license ({kibana-pull}229163[#229163]).
+* Fixes a bug where the base version API route cache was not properly invalidated after rule import ({kibana-pull}228475[#228475]).
+
 [discrete]
 [[release-notes-8.19.0]]
 === 8.19.0
@@ -36,7 +51,6 @@
 * Groups vulnerabilities by resource and cloud account using IDs instead of names ({kibana-pull}225492[#225492]).
 * Adds prompt tiles to the Security AI Assistant ({kibana-pull}224981[#224981]).
 * Adds support for collapsible sections in integrations READMEs ({kibana-pull}223916[#223916]).
-* Adds advanced policy settings in {elastic-defend} to enable collection of file origin information for File, Process, and DLL (ImageLoad) events ({kibana-pull}222030[#222030], {kibana-pull}223882[#223882]).
 * Adds the `ecs@mappings` component to the transform destination index template ({kibana-pull}223878[#223878]).
 * Adds the ability to revert a customized prebuilt rule to its original version ({kibana-pull}223301[#223301]).
 * Displays which fields are customized for prebuilt rules ({kibana-pull}225939[#225939]).
@@ -65,6 +79,7 @@
 * Reduces {elastic-defend} CPU when processing events from the System process, such as IIS network events.
 * Improves {elastic-defend} logging of fatal exceptions.
 * Improves {elastic-defend} call site analysis logic.
+* Adds {elastic-defend} support for Elliptic Curve certificates and TLS output settings, including `supported_protocols`, `cipher_suites`, and `curve_types`.
 
 [discrete]
 [[bug-fixes-8.19.0]]