diff --git a/cmake/version.cmake b/cmake/version.cmake
index 21d9b8d..aa99773 100644
--- a/cmake/version.cmake
+++ b/cmake/version.cmake
@@ -4,7 +4,7 @@
 
 set (TK_UTIL_MAJOR_VERSION "6")
 set (TK_UTIL_MINOR_VERSION "13")
-set (TK_UTIL_RELEASE_VERSION "0")
+set (TK_UTIL_RELEASE_VERSION "1")
 set (TK_UTIL_VERSION ${TK_UTIL_MAJOR_VERSION}.${TK_UTIL_MINOR_VERSION}.${TK_UTIL_RELEASE_VERSION})
 
 set (TK_UTIL_SCRIPTING_MAJOR_VERSION ${TK_UTIL_MAJOR_VERSION})
diff --git a/src/TkUtil/public/TkUtil/UTF8String.h b/src/TkUtil/public/TkUtil/UTF8String.h
index 46277e3..b3b2d22 100644
--- a/src/TkUtil/public/TkUtil/UTF8String.h
+++ b/src/TkUtil/public/TkUtil/UTF8String.h
@@ -210,18 +210,16 @@ class UTF8String
 {
 	public :
 
+#ifndef SWIG
 	friend UTF8String& operator << (UTF8String& u8str, Charset::CHARSET);
 	friend UTF8String& operator << (UTF8String& u8str, const Charset&);
 	friend UTF8String& operator << (UTF8String& u8str, setw width);
-	friend UTF8String& operator << (
-							UTF8String& u8str, setprecision prec);
-	friend UTF8String& operator << (
-							UTF8String& u8str, IN_STD ios_base::fmtflags);
-	friend UTF8String operator + (
-							const UTF8String& us, const IN_STD string& str);
+	friend UTF8String& operator << (UTF8String& u8str, setprecision prec);
+	friend UTF8String& operator << (UTF8String& u8str, IN_STD ios_base::fmtflags);
+	friend UTF8String operator + (const UTF8String& us, const IN_STD string& str);
 	friend UTF8String operator + (const UTF8String& us, const char* str);
 	friend UTF8String operator + (const UTF8String& us1, const UTF8String& us2);
-
+#endif	// SWIG
 
 	/**
 	 * <P>
@@ -795,6 +793,7 @@ class ConsoleOutput		// v 4.2.0
 	const TkUtil::Charset& getCharset ( ) const
 	{ return _charset; }
 
+#ifndef SWIG
 	ConsoleOutput& operator << (const TkUtil::UTF8String&);
 	ConsoleOutput& operator << (unsigned long);
 	ConsoleOutput& operator << (double);
@@ -807,6 +806,7 @@ class ConsoleOutput		// v 4.2.0
 	friend ConsoleOutput& co_endl (ConsoleOutput&);
 	ConsoleOutput& operator << (ConsoleOutput& (*pf)(ConsoleOutput&))
 	{ return pf (*this); }	// Pour endl et autres manipulateurs.
+#endif	// SWIG
 
 	/**
 	 * @return	Une référence sur la sortie standard.
@@ -836,10 +836,11 @@ class ConsoleOutput		// v 4.2.0
 	TkUtil::Charset			_charset;
 };	// class ConsoleOutput
 
+#ifndef SWIG
 ConsoleOutput& operator << (ConsoleOutput&, std::_Setprecision);
 ConsoleOutput& operator << (ConsoleOutput&, std::_Setw);
 ConsoleOutput& co_endl (ConsoleOutput&);
-
+#endif	// SWIG
 
 
 //END_NAMESPACE_UTIL
diff --git a/versions.txt b/versions.txt
index 0d71abf..3deb45b 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,3 +1,9 @@
+Version 6.13.1 : 20/06/25
+=================
+
+Portage Swig v 4.3.*
+
+
 Version 6.13.0 : 14/03/25
 =================