Update Changelog.md (#3080)

dfinity · Jan 28, 2022 · 7437bc1 · 7437bc1
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@@ -4,6 +4,7 @@
 
 * motoko
 
+  * Fix: insert critical overflow checks preventing rare heap corruptions in out-of-memory allocation and stable variable serialization (#3077) 
   * Implement support for `heartbeat` system methods (thanks to ninegua) (#2971)
 
 * motoko-base