diff --git a/CHANGES.md b/CHANGES.md
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--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,6 +2,7 @@
 UP Fast Downward 0.3.3
 - fix bug in fast-downward-reachability grounder
 - silence output in grounders
+- support result status MEMOUT, TIMEOUT and UNSUPPORTED_PROBLEM
 
 UP Fast Downward 0.3.2
 - support UP problem kind version 2