diff --git a/setup/itopdesignformat.class.inc.php b/setup/itopdesignformat.class.inc.php
index 0e2c77873e..87c12ff6de 100644
--- a/setup/itopdesignformat.class.inc.php
+++ b/setup/itopdesignformat.class.inc.php
@@ -41,7 +41,7 @@ define('ITOP_DESIGN_LATEST_VERSION', '1.7'); // iTop >= 2.7.0
  */
 class iTopDesignFormat
 {
-	protected static $aVersions = array(
+	public static $aVersions = array(
 		'1.0' => array(
 			'previous' => null,
 			'go_to_previous' => null,
@@ -89,7 +89,7 @@ class iTopDesignFormat
 			'go_to_previous' => 'From17To16',
 			'next' => null,
 			'go_to_next' => null,
-		),
+		)
 	);
 
 	/**
diff --git a/test/release-checklist/iTopDesignFormatChecklistTest.php b/test/release-checklist/iTopDesignFormatChecklistTest.php
new file mode 100644
index 0000000000..4f76b9fea7
--- /dev/null
+++ b/test/release-checklist/iTopDesignFormatChecklistTest.php
@@ -0,0 +1,102 @@
+<?php
+
+namespace Combodo\iTop\Test\UnitTest\Setup;
+
+use Combodo\iTop\Test\UnitTest\ItopTestCase;
+use DOMDocument;
+use iTopDesignFormat;
+
+
+/**
+ * Class iTopDesignFormatChecklistTest
+ *
+ * @runTestsInSeparateProcesses
+ * @preserveGlobalState disabled
+ * @backupGlobals disabled
+ *
+ * @covers iTopDesignFormat
+ *
+ * @package Combodo\iTop\Test\UnitTest\Setup
+ */
+class TestForITopDesignFormatClass extends ItopTestCase
+{
+	protected function setUp()
+	{
+		parent::setUp();
+
+		require_once APPROOT.'setup/modelfactory.class.inc.php';
+		require_once APPROOT.'setup/itopdesignformat.class.inc.php';
+	}
+
+	/**
+	 * release checklist step: make sure we have datamodel conversion functions for new iTop version
+	 */
+	public function testCurrentVersion_DataModelConversionFunctions()
+	{
+		$aDatamodelCurrentVersions = array();
+		$aDataModelFiles = $this->GetDataModelFiles(APPROOT.'/datamodels');
+
+		//retrieve current XML version in datamoldels files
+		foreach ($aDataModelFiles as $sDataModelFile)
+		{
+			if (preg_match('/itop_design .* version="([\d\.]*)"/', file_get_contents($sDataModelFile), $aMatches))
+			{
+				$sVersion = $aMatches[1];
+				if (!array_key_exists($sVersion, $aDatamodelCurrentVersions))
+				{
+					$aDatamodelCurrentVersions[$sVersion] = $sVersion;
+				}
+			}
+		}
+
+		//make sure there is only one found
+		$this->assertTrue(is_array($aDatamodelCurrentVersions));
+		$this->assertEquals(1, count($aDatamodelCurrentVersions), "Found too much XML versions: " . json_encode($aDatamodelCurrentVersions));
+
+		//check we have migration function from new version to previous one
+		$sCurrentVersion = array_values($aDatamodelCurrentVersions)[0];
+		$this->assertTrue(array_key_exists($sCurrentVersion, iTopDesignFormat::$aVersions), "Release checklist: missing $sCurrentVersion config in iTopDesignFormat ");
+		$aCurrentVersionInfo = iTopDesignFormat::$aVersions[$sCurrentVersion];
+		$this->assertTrue(is_array($aCurrentVersionInfo), "Release checklist: wrong $sCurrentVersion config in iTopDesignFormat ");
+		$this->assertTrue(array_key_exists('previous', $aCurrentVersionInfo), "Release checklist: missing previous for $sCurrentVersion config in iTopDesignFormat ");
+		$this->TestDefinedFunction($aCurrentVersionInfo, 'go_to_previous', $sCurrentVersion);
+
+		//check we have migration function from N-1 version to new one
+		$sPreviousVersion = $aCurrentVersionInfo['previous'];
+		$this->assertTrue(array_key_exists($sPreviousVersion, iTopDesignFormat::$aVersions), "Release checklist: missing $sPreviousVersion config in iTopDesignFormat ");
+		$aPreviousVersionInfo = iTopDesignFormat::$aVersions[$sPreviousVersion];
+		$this->assertTrue(is_array($aPreviousVersionInfo), "Release checklist: wrong $sPreviousVersion config in iTopDesignFormat ");
+		$this->assertTrue(array_key_exists('previous', $aPreviousVersionInfo), "Release checklist: missing previous for $sPreviousVersion config in iTopDesignFormat ");
+		$this->TestDefinedFunction($aPreviousVersionInfo, 'go_to_previous', $sPreviousVersion);
+		$this->TestDefinedFunction($aPreviousVersionInfo, 'go_to_next', $sPreviousVersion);
+	}
+
+	private function TestDefinedFunction($aCurrentVersionInfo, $sFunctionKey, $sVersion)
+	{
+		$sInfo = json_encode($aCurrentVersionInfo, true);
+		$this->assertTrue(array_key_exists($sFunctionKey, $aCurrentVersionInfo), "Release checklist: missing $sFunctionKey in $sVersion config in iTopDesignFormat: " . $sInfo);
+		echo $aCurrentVersionInfo[$sFunctionKey].'\n';
+		$oReflectionClass = new \ReflectionClass(iTopDesignFormat::class);
+		$this->assertTrue($oReflectionClass->hasMethod($aCurrentVersionInfo[$sFunctionKey]), "Release checklist: wrong go_to_previous function '".$aCurrentVersionInfo[$sFunctionKey]."'' for $sVersion config in iTopDesignFormat " . $sInfo);
+	}
+
+	public function GetDataModelFiles($sFolder)
+	{
+		$aDataModelFiles = array();
+		if (is_dir($sFolder))
+		{
+			foreach (glob($sFolder."/*") as $sPath)
+			{
+				if (is_dir($sPath))
+				{
+					$aDataModelFiles = array_merge($aDataModelFiles, $this->GetDataModelFiles($sPath));
+				}
+				else if (preg_match("/datamodel\..*\.xml/", basename($sPath)))
+				{
+					$aDataModelFiles[] = $sPath;
+				}
+			}
+		}
+		return $aDataModelFiles;
+	}
+}
\ No newline at end of file