diff --git a/cfg/qt.cfg b/cfg/qt.cfg
index 4773b6a57..d1637e4e9 100644
--- a/cfg/qt.cfg
+++ b/cfg/qt.cfg
@@ -2297,6 +2297,7 @@
       <not-null/>
     </arg>
   </function>
+  <!-- https://doc.qt.io/qt-5/qdir.html -->
   <!-- QString QDir::fromNativeSeparators(const QString &pathName) -->
   <!-- QString QDir::toNativeSeparators(const QString &pathName) -->
   <function name="QDir::fromNativeSeparators,QDir::toNativeSeparators">
@@ -2308,6 +2309,50 @@
       <not-bool/>
     </arg>
   </function>
+  <!-- QString absolutePath() const -->
+  <!-- QString canonicalPath() const -->
+  <!-- QString dirName() const -->
+  <function name="QDir::absoluteFilePath,QDir::canonicalPath,QDir::dirName">
+    <noreturn>false</noreturn>
+    <returnValue type="QString"/>
+    <use-retval/>
+    <const/>
+  </function>
+  <!-- bool QDir::cd(const QString &dirName) -->
+  <function name="QDir::cd">
+    <noreturn>false</noreturn>
+    <returnValue type="bool"/>
+    <use-retval type="error-code"/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- bool QDir::cdUp() -->
+  <function name="QDir::cd">
+    <noreturn>false</noreturn>
+    <returnValue type="bool"/>
+    <use-retval type="error-code"/>
+  </function>
+  <!-- bool QDir::exists(QString &name) const -->
+  <!-- bool QDir::exists() const -->
+  <function name="QDir">
+    <noreturn>false</noreturn>
+    <returnValue type="bool"/>
+    <use-retval/>
+    <leak-ignore/>
+    <arg nr="1" default="&quot;&quot;" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
+  <!-- uint QDir::count() const -->
+  <function name="QDir::cd">
+    <noreturn>false</noreturn>
+    <returnValue type="uint"/>
+    <use-retval/>
+    <const/>
+  </function>
   <!-- bool QFile::exists(const QString &fileName) // static -->
   <!-- bool QFile::exists() const -->
   <function name="QFile::exists">
@@ -2373,6 +2418,37 @@
     <use-retval/>
     <const/>
   </function>
+  <!-- https://doc.qt.io/qt-5/qlockfile.html -->
+  <!-- bool QLockFile::lock() -->
+  <!-- bool QLockFile::removeStaleLockFile() -->
+  <function name="QLockFile::lock,QLockFile::removeStaleLockFile">
+    <noreturn>false</noreturn>
+    <returnValue type="bool"/>
+    <use-retval type="error-code"/>
+  </function>
+  <!-- bool QLockFile::isLocked() const -->
+  <function name="QLockFile::isLocked">
+    <noreturn>false</noreturn>
+    <returnValue type="bool"/>
+    <use-retval/>
+    <const/>
+  </function>
+  <!-- int QLockFile::staleLockTime() const -->
+  <function name="QLockFile::staleLockTime">
+    <noreturn>false</noreturn>
+    <returnValue type="int"/>
+    <use-retval/>
+    <const/>
+  </function>
+  <!-- bool QLockFile::tryLock(int timeout = 0) -->
+  <function name="QLockFile::tryLock">
+    <noreturn>false</noreturn>
+    <returnValue type="bool"/>
+    <use-retval/>
+    <arg nr="1" default="0" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
   <!-- QString QFileDialog::getOpenFileName(QWidget *parent = Q_NULLPTR, const QString &caption = QString(), const QString &dir = QString(), const QString &filter = QString(), QString *selectedFilter = Q_NULLPTR, Options options = Options()) //static -->
   <!-- QString QFileDialog::getSaveFileName(QWidget *parent = Q_NULLPTR, const QString &caption = QString(), const QString &dir = QString(), const QString &filter = QString(), QString *selectedFilter = Q_NULLPTR, Options options = Options()) //static -->
   <!-- QString QFileDialog::getExistingDirectory(QWidget *parent = Q_NULLPTR, const QString &caption = QString(), const QString &dir = QString(), Options options = ShowDirsOnly) //static -->