diff --git a/CHANGELOG.md b/CHANGELOG.md
index 43d3391614a..1dc8fcefbb7 100644
--- a/CHANGELOG.md
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@@ -5,6 +5,9 @@
 - Rework interdependencies between `@apollo/client/*` entry points, so that CommonJS and ESM modules are supported equally well, without any duplication of shared code. <br/>
   [@benjamn](https://github.com/benjamn) in [#6058](https://github.com/apollographql/apollo-client/pull/6058)
 
+- Tolerate `!==` callback functions (like `onCompleted` and `onError`) in `useQuery` options, since those functions are almost always freshly evaluated each time `useQuery` is called. <br/>
+  [@hwillson](https://github.com/hwillson) and [@benjamn](https://github.com/benjamn) in [#6588](https://github.com/apollographql/apollo-client/pull/6588)
+
 ## Apollo Client 3.0.2
 
 ## Bug Fixes