diff --git a/FirebaseAuth/CHANGELOG.md b/FirebaseAuth/CHANGELOG.md
index c627b29eed5..36eca32322a 100644
--- a/FirebaseAuth/CHANGELOG.md
+++ b/FirebaseAuth/CHANGELOG.md
@@ -1,3 +1,8 @@
+# Unreleased
+- [fixed] Restore Firebase 10 behavior by synchronizing access to the
+  `Auth.currentUser` API. This resolves some Firebase 11 issues where the
+  current user is unexpectedly `nil` at startup.
+
 # 11.5.0
 - [fixed] Restore pre-Firebase 11 decoding behavior to prevent users getting
   logged out when upgrading from Firebase 8.10.0 or earlier to Firebase 11.