diff --git a/releasenotes/notes/checkpoint-4.2.0-4de07b02a9e88501.yaml b/releasenotes/notes/checkpoint-4.2.0-4de07b02a9e88501.yaml
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+---
+prelude: >
+  This is a checkpoint release.  This release contains some bugfixes
+  and other user-invisible changes, but its main purpose is to serve
+  as a checkpoint as we move more of Zuul's functionality into
+  ZooKeeper.  This version has seen production use in OpenDev and we
+  believe it to be stable and ready for wider use.  Please do upgrade
+  to it and report any issues to zuul-discuss.  You may downgrade to
+  the previous release if you do encounter any issues.  Likewise,
+  operators running the latest development builds may downgrade to
+  this release in the case of issues.