diff --git a/resources/desktop/com.github.rssguard.appdata.xml b/resources/desktop/com.github.rssguard.appdata.xml
index 55b54f6a5..b6581a2a4 100644
--- a/resources/desktop/com.github.rssguard.appdata.xml
+++ b/resources/desktop/com.github.rssguard.appdata.xml
@@ -30,7 +30,7 @@
   <url type="donation">https://martinrotter.github.io/donate/</url>
   <content_rating type="oars-1.1" />
   <releases>
-    <release version="3.9.2" date="2021-06-21"/>
+    <release version="3.9.2" date="2021-06-22"/>
   </releases>
   <content_rating type="oars-1.0">
     <content_attribute id="violence-cartoon">none</content_attribute>
diff --git a/resources/scripts/7za b/resources/scripts/7za
index 9c10723bf..47f412575 160000
--- a/resources/scripts/7za
+++ b/resources/scripts/7za
@@ -1 +1 @@
-Subproject commit 9c10723bfbaf6cb85107d6ee16e0324e9e487749
+Subproject commit 47f4125753452eff8800dbd6600c5a05540b15d9
diff --git a/src/librssguard/gui/dialogs/formbackupdatabasesettings.cpp b/src/librssguard/gui/dialogs/formbackupdatabasesettings.cpp
index 95d83781a..2210d0d2e 100644
--- a/src/librssguard/gui/dialogs/formbackupdatabasesettings.cpp
+++ b/src/librssguard/gui/dialogs/formbackupdatabasesettings.cpp
@@ -3,6 +3,7 @@
 #include "gui/dialogs/formbackupdatabasesettings.h"
 
 #include "exceptions/applicationexception.h"
+#include "gui/guiutilities.h"
 #include "miscellaneous/application.h"
 #include "miscellaneous/iconfactory.h"
 
@@ -15,8 +16,9 @@
 FormBackupDatabaseSettings::FormBackupDatabaseSettings(QWidget* parent) : QDialog(parent), m_ui(new Ui::FormBackupDatabaseSettings) {
   m_ui->setupUi(this);
   m_ui->m_txtBackupName->lineEdit()->setPlaceholderText(tr("Common name for backup files"));
-  setWindowIcon(qApp->icons()->fromTheme(QSL("document-export")));
-  setWindowFlags(Qt::MSWindowsFixedSizeDialogHint | Qt::Dialog | Qt::WindowSystemMenuHint);
+
+  GuiUtilities::applyDialogProperties(*this, qApp->icons()->fromTheme(QSL("document-export")));
+
   connect(m_ui->m_checkBackupDatabase, &QCheckBox::toggled, this, &FormBackupDatabaseSettings::checkOkButton);
   connect(m_ui->m_checkBackupSettings, &QCheckBox::toggled, this, &FormBackupDatabaseSettings::checkOkButton);
   connect(m_ui->m_buttonBox->button(QDialogButtonBox::StandardButton::Ok), &QPushButton::clicked, this, &FormBackupDatabaseSettings::performBackup);
diff --git a/src/librssguard/services/abstract/gui/formcategorydetails.cpp b/src/librssguard/services/abstract/gui/formcategorydetails.cpp
index 65feb82ce..14ddcd1c8 100644
--- a/src/librssguard/services/abstract/gui/formcategorydetails.cpp
+++ b/src/librssguard/services/abstract/gui/formcategorydetails.cpp
@@ -7,6 +7,7 @@
 #include "definitions/definitions.h"
 #include "exceptions/applicationexception.h"
 #include "gui/feedsview.h"
+#include "gui/guiutilities.h"
 #include "gui/messagebox.h"
 #include "gui/reusable/baselineedit.h"
 #include "gui/systemtrayicon.h"
@@ -161,8 +162,7 @@ void FormCategoryDetails::initialize() {
   m_ui->m_txtDescription->lineEdit()->setToolTip(tr("Set description for your category."));
 
   // Set flags and attributes.
-  setWindowFlags(Qt::MSWindowsFixedSizeDialogHint | Qt::Dialog | Qt::WindowSystemMenuHint | Qt::WindowTitleHint);
-  setWindowIcon(qApp->icons()->fromTheme(QSL("folder")));
+  GuiUtilities::applyDialogProperties(*this, qApp->icons()->fromTheme(QSL("folder")));
 
   // Setup button box.
   m_ui->m_buttonBox->button(QDialogButtonBox::StandardButton::Ok)->setEnabled(false);
diff --git a/src/librssguard/services/standard/gui/formstandardimportexport.cpp b/src/librssguard/services/standard/gui/formstandardimportexport.cpp
index e16e46e70..04d1384c6 100644
--- a/src/librssguard/services/standard/gui/formstandardimportexport.cpp
+++ b/src/librssguard/services/standard/gui/formstandardimportexport.cpp
@@ -7,6 +7,7 @@
 #include "gui/dialogs/formmain.h"
 #include "gui/feedmessageviewer.h"
 #include "gui/feedsview.h"
+#include "gui/guiutilities.h"
 #include "gui/messagebox.h"
 #include "miscellaneous/application.h"
 #include "services/abstract/category.h"
@@ -23,10 +24,13 @@ FormStandardImportExport::FormStandardImportExport(StandardServiceRoot* service_
   connect(m_model, &FeedsImportExportModel::parsingStarted, this, &FormStandardImportExport::onParsingStarted);
   connect(m_model, &FeedsImportExportModel::parsingFinished, this, &FormStandardImportExport::onParsingFinished);
   connect(m_model, &FeedsImportExportModel::parsingProgress, this, &FormStandardImportExport::onParsingProgress);
-  setWindowFlags(Qt::MSWindowsFixedSizeDialogHint | Qt::Dialog | Qt::WindowSystemMenuHint);
+
+  GuiUtilities::applyDialogProperties(*this, qApp->icons()->fromTheme(QSL("document-export")));
+
   m_ui->m_lblSelectFile->setStatus(WidgetWithStatus::StatusType::Error, tr("No file is selected."), tr("No file is selected."));
   m_ui->m_buttonBox->button(QDialogButtonBox::StandardButton::Ok)->disconnect();
   m_ui->m_lblResult->setStatus(WidgetWithStatus::StatusType::Warning, tr("No operation executed yet."), tr("No operation executed yet."));
+
   connect(m_ui->m_buttonBox->button(QDialogButtonBox::StandardButton::Ok), &QPushButton::clicked, this, &FormStandardImportExport::performAction);
   connect(m_ui->m_btnSelectFile, &QPushButton::clicked, this, &FormStandardImportExport::selectFile);
   connect(m_ui->m_btnCheckAllItems, &QPushButton::clicked, m_model, &FeedsImportExportModel::checkAllItems);