[doc] breaking changes about camel case date formats (#83841)

elastic · Feb 14, 2022 · 4482fb8 · 4482fb8
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diff --git a/docs/reference/migration/migrate_7_17.asciidoc b/docs/reference/migration/migrate_7_17.asciidoc
@@ -33,7 +33,7 @@ enable <<deprecation-logging, deprecation logging>>.
 // tag::notable-breaking-changes[]
 [discrete]
 [[breaking_717_packaging_changes]]
-==== Packaging changes
+=== Packaging changes
 
 .The Windows MSI installer package is no longer available.
 [%collapsible]
@@ -45,6 +45,21 @@ were previously released in beta and didn't receive widespread adoption.
 *Impact* +
 To install {es} on Windows, use the {ref}/zip-windows.html[`.zip` archive
 package] instead.
+====
+
+=== Mappings changes
+.Camel case date formats are deprecated.
+[%collapsible]
+====
+*Details* +
+The use of camel case patterns on date formats is deprecated
+and will be removed in {es} 8.0.0.
+
+The corresponding snake case pattern should be used instead.
+
+*Impact* +
+To avoid deprecation warnings, discontinue use of the camel case pattern.
+
 ====
 // end::notable-breaking-changes[]
 
@@ -65,4 +80,4 @@ logging>>.
 
 // tag::notable-breaking-changes[]
 // end::notable-breaking-changes[]
-////
+////
diff --git a/docs/reference/migration/migrate_7_8.asciidoc b/docs/reference/migration/migrate_7_8.asciidoc
@@ -25,7 +25,7 @@ See also <<release-highlights>> and <<es-release-notes>>.
 
 As of the `7.8.1` release
 
-.Displays Enterprise license as Platinum in /_xpack 
+.Displays Enterprise license as Platinum in /_xpack
 [%collapsible]
 ====
 *Details*