diff --git a/ChangeLog.md b/ChangeLog.md
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@@ -3,6 +3,10 @@ Web frontends change log
 
 ## ?.?.? / ????-??-??
 
+## 3.4.1 / 2021-05-16
+
+* Fixed issue #26: Unsupported operand types: array + null - @thekid
+
 ## 3.4.0 / 2021-05-15
 
 * Merged PR #25: Exception handling API. This allows to catch exceptions