[Known Issue] Please add docs for a known issue where users unable to…

… create/edit/delete filters while creating/editing security rules (#4930)

* First draft

* Update docs/release-notes/8.12.asciidoc

* Update docs/release-notes/8.12.asciidoc

* Update docs/release-notes/8.12.asciidoc

* Update docs/release-notes/8.12.asciidoc

* Update docs/release-notes/8.12.asciidoc

* Update docs/release-notes/8.12.asciidoc

* Update docs/release-notes/8.12.asciidoc

(cherry picked from commit 4db4833)

docs/release-notes/8.12.asciidoc

@@ -5,6 +5,22 @@
 [[release-notes-8.12.2]]
 === 8.12.2
 
+[discrete]
+[[known-issue-8.12.2]]
+==== Known issues
+// tag::known-issue-178207[]
+[discrete]
+.Rule filters can't be adjusted for custom query, indicator match, and new term rules using data views  
+[%collapsible]
+====
+*Details* +
+When creating or editing a custom query, indicator match, or new term rule, query filters can't be modified (added, edited, or removed) if the rule queries a data view. 
+
+*Workaround* +
+To resolve this issue, upgrade to 8.13 or later.
+====
+// end::known-issue-178207[]
+
 [discrete]
 [[bug-fixes-8.12.2]]
 ==== Bug fixes
@@ -22,6 +38,22 @@
 [[release-notes-8.12.1]]
 === 8.12.1
 
+[discrete]
+[[known-issue-8.12.1]]
+==== Known issues
+// tag::known-issue-178207[]
+[discrete]
+.Rule filters can't be adjusted for custom query, indicator match, and new term rules using data views  
+[%collapsible]
+====
+*Details* +
+When creating or editing a custom query, indicator match, or new term rule, query filters can't be modified (added, edited, or removed) if the rule queries a data view. 
+
+*Workaround* +
+To resolve this issue, upgrade to 8.13 or later.
+====
+// end::known-issue-178207[]
+
 [discrete]
 [[enhancements-8.12.1]]
 ==== Enhancements