Add docs for known-issue joda pattern failures in 7.0 (#53948)

elastic · Mar 23, 2020 · 08fb973 · 08fb973
1 parent 180f7de
commit 08fb973
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diff --git a/docs/reference/release-notes/7.0.asciidoc b/docs/reference/release-notes/7.0.asciidoc
@@ -106,6 +106,15 @@ releases of 7.0.0.
 
 Also see <<breaking-changes-7.0,Breaking changes in 7.0>>.
 
+[float]
+=== Known issues
+
+* Indices created in 6.x with <<date,`date`>> and <<date_nanos,`date_nanos`>> fields using formats
+that are incompatible with java.time patterns will cause parsing errors, incorrect date calculations or wrong search results.
+https://github.com/elastic/elasticsearch/pull/52555
+This is fixed in {es} 7.7 and later versions.
+
+
 [[breaking-7.0.0]]
 [float]
 === Breaking changes