diff --git a/.make/release/changelog.php b/.make/release/changelog.php
new file mode 100644
index 0000000000..bd76f9e7b8
--- /dev/null
+++ b/.make/release/changelog.php
@@ -0,0 +1,77 @@
+<?php
+/**
+ * Usage :
+ * `php changelog.php 2.7.4`
+ *
+ * As argument is passed the git ref (tag name or sha1) we want to use as reference
+ *
+ * Outputs :
+ *
+ * 1. List of bugs as CSV :
+ * bug ref;link
+ * Example :
+ * <code>
+ * Bug_ref;Bug_URL;sha1
+ * 1234;https://support.combodo.com/pages/UI.php?operation=details&class=Bug&id=1234;949b213f9|b1ca1f263|a1271da74
+ * </code>
+ *
+ * 2. List of commits sha1/message without bug ref
+ * Example :
+ * <code>
+ * sha1;subject
+ * a6aa183e2;:bookmark: Prepare 2.7.5
+ * </code>
+ */
+
+
+if (count($argv) === 1) {
+	echo '⚠ You must pass the base tag/sha1 as parameter';
+	exit(1);
+}
+$sBaseReference = $argv[1];
+
+
+//--- Get log
+$sGitLogCommand = 'git log --decorate --pretty="%h;%s" --date-order --no-merges '.$sBaseReference.'..HEAD';
+$sGitLogRaw = shell_exec($sGitLogCommand);
+
+
+//--- Analyze log
+$aGitLogLines = preg_split('/\n/', trim($sGitLogRaw));;
+$aLogLinesWithBugRef = [];
+$aLogLineNoBug = [];
+foreach ($aGitLogLines as $sLogLine) {
+	$sBugRef = preg_match('/[nN]°(\d{3,4})/', $sLogLine, $aLineBugRef);
+	if (($sBugRef === false) || empty($aLineBugRef)) {
+		$aLogLineNoBug[] = $sLogLine;
+		continue;
+	}
+
+	$iBugId = $aLineBugRef[1];
+	$sSha = substr($sLogLine, 0, 9);
+
+	if (array_key_exists($iBugId, $aLogLinesWithBugRef)) {
+		$aBugShaRefs = $aLogLinesWithBugRef[$iBugId];
+		$aBugShaRefs[] = $sSha;
+		$aLogLinesWithBugRef[$iBugId] = $aBugShaRefs;
+	} else {
+		$aLogLinesWithBugRef[$iBugId] = [$sSha];
+	}
+}
+$aBugsList = array_keys($aLogLinesWithBugRef);
+sort($aBugsList, SORT_NUMERIC);
+
+
+//-- Output results
+echo "# Bugs included\n";
+echo "Bug_ref;Bug_URL;sha1\n";
+foreach ($aBugsList as $sBugRef) {
+	$sShaRefs = implode('|', $aLogLinesWithBugRef[$sBugRef]);
+	echo "{$sBugRef};https://support.combodo.com/pages/UI.php?operation=details&class=Bug&id={$sBugRef};$sShaRefs\n";
+}
+echo "\n";
+echo "# Logs line without bug referenced\n";
+echo "sha1;subject\n";
+foreach ($aLogLineNoBug as $sLogLine) {
+	echo "$sLogLine\n";
+}
\ No newline at end of file
diff --git a/application/utils.inc.php b/application/utils.inc.php
index a19f03583a..261f446cee 100644
--- a/application/utils.inc.php
+++ b/application/utils.inc.php
@@ -664,16 +664,16 @@ public static function ReadFromFile($sFileName)
 	}
 
 	/**
-	 * Helper function to convert a value expressed in a 'user friendly format'
-	 * as in php.ini, e.g. 256k, 2M, 1G etc. Into a number of bytes
+	 * @param mixed $value The value as read from php.ini (eg 256k, 2M, 1G etc.)
 	 *
-	 * @param mixed $value The value as read from php.ini
+	 * @return int conversion to number of bytes
 	 *
-	 * @return number
+	 * @since 2.7.5 3.0.0 convert to int numeric values
+	 *
+	 * @link https://www.php.net/manual/en/faq.using.php#faq.using.shorthandbytes Shorthand bytes value reference in PHP.net FAQ
 	 */
 	public static function ConvertToBytes($value)
 	{
-		$iReturn = $value;
 		if (!is_numeric($value)) {
 			$iLength = strlen($value);
 			$iReturn = substr($value, 0, $iLength - 1);
@@ -686,6 +686,8 @@ public static function ConvertToBytes($value)
 				case 'K':
 					$iReturn *= 1024;
 			}
+		} else {
+			$iReturn = (int)$value;
 		}
 
 		return $iReturn;
diff --git a/setup/compiler.class.inc.php b/setup/compiler.class.inc.php
index 1fe4a515bb..d904eb35b3 100644
--- a/setup/compiler.class.inc.php
+++ b/setup/compiler.class.inc.php
@@ -69,6 +69,7 @@ class MFCompiler
 	 * If this file is present, then we don't recalculate hkeys
 	 *
 	 * @var string
+	 * @since 2.7.5 3.0.0 N°4020
 	 */
 	public const REBUILD_HKEYS_NEVER= APPROOT.'data/.setup-rebuild-hkeys-never';
 
@@ -182,9 +183,9 @@ public static function SetUseSymbolicLinksFlag(bool $bUseSymbolicLinks): void
 	 * @uses \file_exists()
 	 * @uses REBUILD_HKEYS_NEVER
 	 *
-	 * @since 2.7.5
+	 * @since 2.7.5 3.0.0
 	 */
-	public static function SkipRebuildHKeys(): bool
+	public static function SkipRebuildHKeys()
 	{
 		return (file_exists(static::REBUILD_HKEYS_NEVER));
 	}
diff --git a/test/application/UtilsTest.php b/test/application/UtilsTest.php
index c4058d771d..654141a860 100644
--- a/test/application/UtilsTest.php
+++ b/test/application/UtilsTest.php
@@ -562,12 +562,14 @@ public function testConvertToBytes($sExpressionToConvert, $iExpectedConvertedVal
 	{
 		$iCurrentConvertedValue = utils::ConvertToBytes($sExpressionToConvert);
 		self::assertEquals($iExpectedConvertedValue, $iCurrentConvertedValue, 'Converted value wasn\'t the one expected !');
+		self::assertSame($iExpectedConvertedValue, $iCurrentConvertedValue, 'Value was converted but not of the expected type');
 	}
 
 	public function ConvertToBytesProvider()
 	{
 		return [
-			'123' => ['123', 123],
+			'123 int value' => ['123', 123],
+			'-1 no limit' => ['-1', -1],
 			'56k' => ['56k', 56 * 1024],
 			'512M' => ['512M', 512 * 1024 * 1024],
 			'2G' => ['2G', 2 * 1024 * 1024 * 1024],