diff --git a/Shorewall/releasenotes.txt b/Shorewall/releasenotes.txt
index 9db7a7c14..eafd469b9 100644
--- a/Shorewall/releasenotes.txt
+++ b/Shorewall/releasenotes.txt
@@ -260,6 +260,12 @@ I I I.  P R O B L E M S   C O R R E C T E D   I N   T H I S  R E L E A S E
     Shorewall package. This inconsistency could cause logrotate to
     fail if both packages were installed.
 
+8)  Two additional problems with optimize 4 have been corrected. One
+    manifested as invalid iptables-restore input involving the 'tcpre'
+    mangle chain. The other involved wildcard interface names (those
+    ending in '+') and would likely also result in invalid
+    iptables-restore input.
+
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            I V.  K N O W N   P R O B L E M S   R E M A I N I N G
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