Time to increase version + port foreach

CMakeLists.txt

 #minimum requirements
-cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.16 FATAL_ERROR)
 
 # KDE Application Version, managed by release script
 set(RELEASE_SERVICE_VERSION_MAJOR "21")
@@ -9,8 +9,8 @@ set(RELEASE_SERVICE_VERSION "${RELEASE_SERVICE_VERSION_MAJOR}.${RELEASE_SERVICE_
 
 project(klettres VERSION ${RELEASE_SERVICE_VERSION})
 
-set(QT_MIN_VERSION "5.12.0")
-set(KF5_MIN_VERSION "5.68.0")
+set(QT_MIN_VERSION "5.15.0")
+set(KF5_MIN_VERSION "5.83.0")
 
 
 # we need some parts of the ECM CMake helpers

src/langutils.cpp

@@ -91,11 +91,11 @@ QStringList LangUtils::getLanguages()
     return m_languages;
 }
 
-QStringList LangUtils::getLanguagesNames(QStringList languagesList)
+QStringList LangUtils::getLanguagesNames(const QStringList &languagesList)
 {
     QStringList languagesNames;
 
-    foreach(const QString &language, languagesList) {
+    for (const QString &language : languagesList) {
         if (language == QLatin1String("hi-ro")) {
             languagesNames.append(i18n("Romanized Hindi"));
         } else if (language == QLatin1String("lug_UG")) {

src/langutils.h

@@ -33,7 +33,7 @@ public:
     static QStringList getLanguages();
     static void writeLangConfig();
     ///All available languages translated names
-    static QStringList getLanguagesNames(QStringList languagesList);
+    static QStringList getLanguagesNames(const QStringList &languagesList);
 };
 
 #endif