diff --git a/setup/module/ItopCoreModuleDependency.class.inc.php b/setup/module/ItopCoreModuleDependency.class.inc.php
index 079b5aa6c..abcf1181a 100644
--- a/setup/module/ItopCoreModuleDependency.class.inc.php
+++ b/setup/module/ItopCoreModuleDependency.class.inc.php
@@ -1,9 +1,13 @@
 <?php
 
+use Combodo\iTop\PhpParser\Evaluation\PhpExpressionEvaluator;
+
 /**
  * Class that handles a module dependency
  */
 class iTopCoreModuleDependency {
+	private static PhpExpressionEvaluator $oPhpExpressionEvaluator;
+
 	private array $aPotentialPrerequisites;
 	private array $aParamsPerModuleId;
 	private string $sDepString;
@@ -43,6 +47,15 @@ class iTopCoreModuleDependency {
 		}
 	}
 
+	private static function GetPhpExpressionEvaluator(): PhpExpressionEvaluator
+	{
+		if (!isset(static::$oPhpExpressionEvaluator)) {
+			static::$oPhpExpressionEvaluator = new PhpExpressionEvaluator([], RunTimeEnvironment::STATIC_CALL_AUTOSELECT_WHITELIST);
+		}
+
+		return static::$oPhpExpressionEvaluator;
+	}
+
 	/**
 	 * Return module names potentially required by current dependency
 	 * @return array
@@ -107,10 +120,10 @@ class iTopCoreModuleDependency {
 
 		$bResult=false;
 		$sBooleanExpr = str_replace(array_keys($aReplacements), array_values($aReplacements), $this->sDepString);
-		$bOk = @eval('$bResult = '.$sBooleanExpr.'; return true;');
-		if ($bOk == false)
-		{
-			SetupLog::Warning("Eval of '$sBooleanExpr' returned false");
+		try{
+			$bResult = self::GetPhpExpressionEvaluator()->ParseAndEvaluateBooleanExpression($sBooleanExpr);
+		} catch(ModuleFileReaderException $e){
+			//logged already
 			echo "Failed to parse the boolean Expression = '$sBooleanExpr'<br/>";
 		}
 		return $bResult;
diff --git a/setup/module/iTopCoreModule.class.inc.php b/setup/module/iTopCoreModule.class.inc.php
index 1557670bf..60e23d70c 100644
--- a/setup/module/iTopCoreModule.class.inc.php
+++ b/setup/module/iTopCoreModule.class.inc.php
@@ -85,12 +85,7 @@ class iTopCoreModule {
 
 		$this->aOngoingDependencies=$aNextDependencies;
 
-		if ($bDependenciesSolved)
-		{
-			return true;
-		}
-
-		return false;
+		return $bDependenciesSolved;
 	}
 
 	/**
diff --git a/setup/module/iTopCoreModuleDependencySort.class.inc.php b/setup/module/iTopCoreModuleDependencySort.class.inc.php
index 2da91bf13..2ac7cce1e 100644
--- a/setup/module/iTopCoreModuleDependencySort.class.inc.php
+++ b/setup/module/iTopCoreModuleDependencySort.class.inc.php
@@ -35,7 +35,7 @@ class iTopCoreModuleDependencySort {
 	 *
 	 * @return void
 	 */
-	public function SortModulesByCountOfDepencenciesDescending(array &$aUnresolvedDependencyModules) : void
+	public static function SortModulesByCountOfDepencenciesDescending(array &$aUnresolvedDependencyModules) : void
 	{
 		$aCountDepsByModuleId=[];
 		$aDependsOnModuleName=[];
@@ -125,7 +125,7 @@ class iTopCoreModuleDependencySort {
 	 * @return array
 	 * @throws \MissingDependencyException
 	 */
-	public function OrderModulesByDependencies($aModules, $bAbortOnMissingDependency = false, $aModulesToLoad = null, ?int &$iLoopCount=0)
+	public static function OrderModulesByDependencies($aModules, $bAbortOnMissingDependency = false, $aModulesToLoad = null, ?int &$iLoopCount=0)
 	{
 		$iLoopCount=0;
 
diff --git a/setup/modulediscovery.class.inc.php b/setup/modulediscovery.class.inc.php
index 0757c9d5a..66318b862 100755
--- a/setup/modulediscovery.class.inc.php
+++ b/setup/modulediscovery.class.inc.php
@@ -97,6 +97,7 @@ class ModuleDiscovery
 	protected static $m_sModulePath = null;
 
 	private static PhpExpressionEvaluator $oPhpExpressionEvaluator;
+	private static mixed $bNewFeedback = false;
 
 	protected static function SetModulePath($sModulePath)
 	{
@@ -186,7 +187,7 @@ class ModuleDiscovery
 			$sDir = dirname($sFilePath);
 			$aDirs = [
 				$sDir => self::$m_sModulePath,
-				$sDir.'/dictionaries' => self::$m_sModulePath.'/dictionaries'
+				$sDir.'/dictionaries' => self::$m_sModulePath.'/dictionaries',
 			];
 			foreach ($aDirs as $sRootDir => $sPath)
 			{
@@ -221,6 +222,9 @@ class ModuleDiscovery
 		return self::OrderModulesByDependencies(self::$m_aModules, $bAbortOnMissingDependency, $aModulesToLoad);
 	}
 
+	public static function UseNewUiFeedback($bNewFeedback){
+		self::$bNewFeedback=$bNewFeedback;
+	}
 	/**
 	 * Arrange an list of modules, based on their (inter) dependencies
 	 * @param array $aModules The list of modules to process: 'id' => $aModuleInfo
@@ -246,7 +250,7 @@ class ModuleDiscovery
 		ksort($aDependencies);
 		$aOrderedModules = [];
 		$iLoopCount = 1;
-		while(($iLoopCount < count($aModules)) && (count($aDependencies) > 0) )
+		while(($iLoopCount < count($aModules)+1) && (count($aDependencies) > 0) )
 		{
 			foreach($aDependencies as $sId => $aRemainingDeps)
 			{
@@ -268,6 +272,10 @@ class ModuleDiscovery
 		}
 		if ($bAbortOnMissingDependency && count($aDependencies) > 0)
 		{
+			if (self::$bNewFeedback){
+				iTopCoreModuleDependencySort::OrderModulesByDependencies($aModules, $bAbortOnMissingDependency, $aModulesToLoad);
+			}
+
 			$aModulesInfo = [];
 			$aModuleDeps = [];
 			foreach($aDependencies as $sId => $aDeps)
diff --git a/tests/php-unit-tests/unitary-tests/setup/ModuleDiscoveryTest.php b/tests/php-unit-tests/unitary-tests/setup/ModuleDiscoveryTest.php
index 6884c2320..2c83e9aa6 100644
--- a/tests/php-unit-tests/unitary-tests/setup/ModuleDiscoveryTest.php
+++ b/tests/php-unit-tests/unitary-tests/setup/ModuleDiscoveryTest.php
@@ -13,7 +13,21 @@ class ModuleDiscoveryTest extends ItopDataTestCase
 		$this->RequireOnceItopFile('setup/modulediscovery.class.inc.php');
 	}
 
-	public function testOrderModulesByDependencies_CheckMissingDependenciesAreCorrectlyOrderedInTheException()
+	public function tearDown() : void {
+		ModuleDiscovery::UseNewUiFeedback(false);
+	}
+	public static function OrderModulesByDependenciesProvider(){
+		return [
+			'legacy computation' => [0],
+			'hybrid computation: order is legacy/ error is new usr friendly one' => [1],
+			'new computation' => [2],
+		];
+	}
+
+	/**
+	 * @dataProvider OrderModulesByDependenciesProvider
+	 */
+	public function testOrderModulesByDependencies_CheckMissingDependenciesAreCorrectlyOrderedInTheException(int $mode)
 	{
 		$aModules=[
 			"id1/123" => [
@@ -27,19 +41,40 @@ class ModuleDiscoveryTest extends ItopDataTestCase
 		];
 		$iLoopCount=0;
 		try{
-			ModuleDiscovery::OrderModulesByDependencies($aModules, true, null, $iLoopCount);
+			if ($mode===2){
+				iTopCoreModuleDependencySort::OrderModulesByDependencies($aModules, true, null, $iLoopCount);
+			} else {
+				if ($mode===1){
+					ModuleDiscovery::UseNewUiFeedback(true);
+				}
+				ModuleDiscovery::OrderModulesByDependencies($aModules, true, null);
+			}
 		} catch(\MissingDependencyException $e){
-			$sExpectedMessage = <<<MSG
+			if ($mode!==0) {
+				$sExpectedMessage = <<<MSG
 The following modules have unmet dependencies:
 label2 (id: id2/456) depends on: ❌ id3/666,
 label1 (id: id1/123) depends on: ❌ id3/666 + ❌ id4/666
 MSG;
+			} else {
+				$sExpectedMessage = <<<MSG
+The following modules have unmet dependencies:
+label1 (id: id1/123) depends on: ❌ id3/666 + ❌ id4/666,
+label2 (id: id2/456) depends on: ❌ id3/666
+MSG;
+			}
+
 			$this->assertEquals($sExpectedMessage, $e->getMessage());
-			$this->assertEquals(1, $iLoopCount);
+			if ($mode===2) {
+				$this->assertEquals(1, $iLoopCount);
+			}
 		}
 	}
 
-	public function testOrderModulesByDependencies_ValidateExceptionWithSomeDependenciesResolved()
+	/**
+	 * @dataProvider OrderModulesByDependenciesProvider
+	 */
+	public function testOrderModulesByDependencies_ValidateExceptionWithSomeDependenciesResolved(int $mode)
 	{
 		$aModules=[
 			"id1/123" => [
@@ -57,19 +92,39 @@ MSG;
 		];
 		$iLoopCount=0;
 		try{
-			ModuleDiscovery::OrderModulesByDependencies($aModules, true, null, $iLoopCount);
+			if ($mode===2){
+				iTopCoreModuleDependencySort::OrderModulesByDependencies($aModules, true, null, $iLoopCount);
+			} else {
+				if ($mode===1){
+					ModuleDiscovery::UseNewUiFeedback(true);
+				}
+				ModuleDiscovery::OrderModulesByDependencies($aModules, true, null);
+			}
 		} catch(\MissingDependencyException $e){
-			$sExpectedMessage = <<<MSG
+			if ($mode!==0) {
+				$sExpectedMessage = <<<MSG
 The following modules have unmet dependencies:
 label3 (id: id3/789) depends on: ✅ id2/456 + ❌ id4/666,
 label1 (id: id1/123) depends on: ✅ id2/456 + ❌ id4/666 + ❌ id3/789
 MSG;
+			} else {
+				$sExpectedMessage = <<<MSG
+The following modules have unmet dependencies:
+label1 (id: id1/123) depends on: ✅ id2/456 + ❌ id4/666 + ❌ id3/789,
+label3 (id: id3/789) depends on: ✅ id2/456 + ❌ id4/666
+MSG;
+			}
 			$this->assertEquals($sExpectedMessage, $e->getMessage());
-			$this->assertEquals(2, $iLoopCount);
+			if ($mode===2) {
+				$this->assertEquals(2, $iLoopCount);
+			}
 		}
 	}
 
-	public function testOrderModulesByDependencies_KeepGoingEvenWithFailure_WithSomeDependenciesResolved()
+	/**
+	 * @dataProvider OrderModulesByDependenciesProvider
+	 */
+	public function testOrderModulesByDependencies_KeepGoingEvenWithFailure_WithSomeDependenciesResolved(int $mode)
 	{
 		$aModules=[
 			"id1/123" => [
@@ -86,16 +141,28 @@ MSG;
 			],
 		];
 		$iLoopCount=0;
-		$aResult = ModuleDiscovery::OrderModulesByDependencies($aModules, false, null, $iLoopCount);
+		if ($mode===2){
+			$aResult = iTopCoreModuleDependencySort::OrderModulesByDependencies($aModules, false, null, $iLoopCount);
+		} else {
+			if ($mode===1){
+				ModuleDiscovery::UseNewUiFeedback(true);
+			}
+			$aResult = ModuleDiscovery::OrderModulesByDependencies($aModules, false, null);
+		}
 
 		$aExpected = [
-			'id2/456'
+			'id2/456',
 		];
 		$this->assertEquals($aExpected, array_keys($aResult));
-		$this->assertEquals(2, $iLoopCount);
+		if ($mode===2) {
+			$this->assertEquals(2, $iLoopCount);
+		}
 	}
 
-	public function testOrderModulesByDependencies_UnResolveWithCircularDependency()
+	/**
+	 * @dataProvider OrderModulesByDependenciesProvider
+	 */
+	public function testOrderModulesByDependencies_UnResolveWithCircularDependency(int $mode)
 	{
 		$aModules=[
 			"id1/1" => [
@@ -118,21 +185,43 @@ MSG;
 		$iLoopCount=0;
 
 		try{
-			ModuleDiscovery::OrderModulesByDependencies($aModules, true, null, $iLoopCount);
+			if ($mode===2){
+				iTopCoreModuleDependencySort::OrderModulesByDependencies($aModules, true, null, $iLoopCount);
+			} else {
+				if ($mode===1){
+					ModuleDiscovery::UseNewUiFeedback(true);
+				}
+				ModuleDiscovery::OrderModulesByDependencies($aModules, true, null);
+			}
 		} catch(\MissingDependencyException $e){
-			$sExpectedMessage = <<<MSG
+			if ($mode!==0) {
+				$sExpectedMessage = <<<MSG
 The following modules have unmet dependencies:
 label1 (id: id1/1) depends on: ❌ id2/2,
 label4 (id: id4/4) depends on: ❌ id1/1,
 label3 (id: id3/3) depends on: ❌ id4/4,
 label2 (id: id2/2) depends on: ❌ id3/3
 MSG;
+			} else {
+				$sExpectedMessage = <<<MSG
+The following modules have unmet dependencies:
+label1 (id: id1/1) depends on: ❌ id2/2,
+label2 (id: id2/2) depends on: ❌ id3/3,
+label3 (id: id3/3) depends on: ❌ id4/4,
+label4 (id: id4/4) depends on: ❌ id1/1
+MSG;
+			}
 			$this->assertEquals($sExpectedMessage, $e->getMessage());
-			$this->assertEquals(1, $iLoopCount);
+			if ($mode===2) {
+				$this->assertEquals(1, $iLoopCount);
+			}
 		}
 	}
 
-	public function testOrderModulesByDependencies_ResolveOk()
+	/**
+	 * @dataProvider OrderModulesByDependenciesProvider
+	 */
+	public function testOrderModulesByDependencies_ResolveOk(int $mode)
 	{
 		$aModules=[
 			"id0/1" => [
@@ -157,7 +246,14 @@ MSG;
 			],
 		];
 		$iLoopCount=0;
-		$aResult = ModuleDiscovery::OrderModulesByDependencies($aModules, true, null, $iLoopCount);
+		if ($mode===2){
+			$aResult = iTopCoreModuleDependencySort::OrderModulesByDependencies($aModules, true, null, $iLoopCount);
+		} else {
+			if ($mode===1){
+				ModuleDiscovery::UseNewUiFeedback(true);
+			}
+			$aResult = ModuleDiscovery::OrderModulesByDependencies($aModules, true, null);
+		}
 
 		$aExpected = [
 			"id4/4",
@@ -167,10 +263,15 @@ MSG;
 			"id0/1",
 		];
 		$this->assertEquals($aExpected, array_keys($aResult));
-		$this->assertEquals(1, $iLoopCount);
+		if ($mode===2) {
+			$this->assertEquals(1, $iLoopCount);
+		}
 	}
 
-	public function testOrderModulesByDependencies_ResolveNoDependendenciesOrderByAlphabeticalOrder()
+	/**
+	 * @dataProvider OrderModulesByDependenciesProvider
+	 */
+	public function testOrderModulesByDependencies_ResolveNoDependendenciesOrderByAlphabeticalOrder(int $mode)
 	{
 		$aModules=[
 			"id2/2" => [
@@ -195,7 +296,14 @@ MSG;
 			],
 		];
 		$iLoopCount=0;
-		$aResult = ModuleDiscovery::OrderModulesByDependencies($aModules, true, null, $iLoopCount);
+		if ($mode===2){
+			$aResult = iTopCoreModuleDependencySort::OrderModulesByDependencies($aModules, true, null, $iLoopCount);
+		} else {
+			if ($mode===1){
+				ModuleDiscovery::UseNewUiFeedback(true);
+			}
+			$aResult = ModuleDiscovery::OrderModulesByDependencies($aModules, true, null);
+		}
 
 		$aExpected = [
 			"id0/1",
@@ -205,10 +313,15 @@ MSG;
 			"id4/4",
 		];
 		$this->assertEquals($aExpected, array_keys($aResult));
-		$this->assertEquals(1, $iLoopCount);
+		if ($mode===2) {
+			$this->assertEquals(1, $iLoopCount);
+		}
 	}
 
-	public function testOrderModulesByDependencies_ResolveOk_ModulesToLoadProvided()
+	/**
+	 * @dataProvider OrderModulesByDependenciesProvider
+	 */
+	public function testOrderModulesByDependencies_ResolveOk_ModulesToLoadProvided(int $mode)
 	{
 		$aModules=[
 			"id1/1" => [
@@ -231,7 +344,14 @@ MSG;
 
 		foreach(["id3", "id3-itil"] as $sLastModuleNameToLoad) {
 			$iLoopCount = 0;
-			$aResult = ModuleDiscovery::OrderModulesByDependencies($aModules, true, ['id1', 'id2', $sLastModuleNameToLoad], $iLoopCount);
+			if ($mode===2){
+				$aResult = iTopCoreModuleDependencySort::OrderModulesByDependencies($aModules, true, ['id1', 'id2', $sLastModuleNameToLoad], $iLoopCount);
+			} else {
+				if ($mode===1){
+					ModuleDiscovery::UseNewUiFeedback(true);
+				}
+				$aResult = ModuleDiscovery::OrderModulesByDependencies($aModules, true, ['id1', 'id2', $sLastModuleNameToLoad]);
+			}
 
 			$aExpected = [
 				"$sLastModuleNameToLoad/3",
@@ -239,14 +359,24 @@ MSG;
 				"id1/1",
 			];
 			$this->assertEquals($aExpected, array_keys($aResult));
-			$this->assertEquals(1, $iLoopCount);
+			if ($mode===2) {
+				$this->assertEquals(1, $iLoopCount);
+			}
 		}
 	}
 
-	public function testOrderModulesByDependencies_RealExample(){
+	/*public function testOrderModulesByDependencies_RealExample(){
+		$aModules = json_decode(file_get_contents(__DIR__ . '/ressources/module_deps.json'), true);
+		$aResult = ModuleDiscovery::OrderModulesByDependencies($aModules, true, null);
+
+		$aExpected = json_decode(file_get_contents(__DIR__ . '/ressources/expected_ordered_module_ids.json'), true);
+		$this->assertEquals($aExpected, array_keys($aResult));
+	}*/
+
+	public function testOrderModulesByDependenciesNewwComputation_RealExample(){
 		$aModules = json_decode(file_get_contents(__DIR__ . '/ressources/module_deps.json'), true);
 		$iLoopCount=0;
-		$aResult = ModuleDiscovery::OrderModulesByDependencies($aModules, true, null, $iLoopCount);
+		$aResult = iTopCoreModuleDependencySort::OrderModulesByDependencies($aModules, true, null, $iLoopCount);
 
 		$aExpected = json_decode(file_get_contents(__DIR__ . '/ressources/expected_ordered_module_ids.json'), true);
 		$this->assertEquals($aExpected, array_keys($aResult));