diff --git a/cockatrice/src/cardinfowidget.h b/cockatrice/src/cardinfowidget.h
index 894635c7..fd1ec4a4 100644
--- a/cockatrice/src/cardinfowidget.h
+++ b/cockatrice/src/cardinfowidget.h
@@ -22,7 +22,7 @@ private:
     CardInfoText *text;
 
 public:
-    explicit CardInfoWidget(const QString &cardName, QWidget *parent = nullptr, Qt::WindowFlags f = nullptr);
+    explicit CardInfoWidget(const QString &cardName, QWidget *parent = nullptr, Qt::WindowFlags f = {});
 
 public slots:
     void setCard(CardInfoPtr card);
diff --git a/cockatrice/src/chatview/chatview.cpp b/cockatrice/src/chatview/chatview.cpp
index e5f3fc4b..13f7be22 100644
--- a/cockatrice/src/chatview/chatview.cpp
+++ b/cockatrice/src/chatview/chatview.cpp
@@ -219,7 +219,11 @@ void ChatView::appendMessage(QString message,
     cursor.setCharFormat(defaultFormat);
 
     bool mentionEnabled = settingsCache->getChatMention();
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+    highlightedWords = settingsCache->getHighlightWords().split(' ', Qt::SkipEmptyParts);
+#else
     highlightedWords = settingsCache->getHighlightWords().split(' ', QString::SkipEmptyParts);
+#endif
 
     // parse the message
     while (message.size()) {
diff --git a/cockatrice/src/chatview/chatview.h b/cockatrice/src/chatview/chatview.h
index 52d38abc..24d04ec7 100644
--- a/cockatrice/src/chatview/chatview.h
+++ b/cockatrice/src/chatview/chatview.h
@@ -81,7 +81,7 @@ public:
                                          bool optionalIsBold = false,
                                          QString optionalFontColor = QString());
     void appendMessage(QString message,
-                       RoomMessageTypeFlags messageType = 0,
+                       RoomMessageTypeFlags messageType = {},
                        QString sender = QString(),
                        UserLevelFlags userLevel = UserLevelFlags(),
                        QString UserPrivLevel = "NONE",
diff --git a/cockatrice/src/decklistmodel.cpp b/cockatrice/src/decklistmodel.cpp
index 2b55101d..6d09d381 100644
--- a/cockatrice/src/decklistmodel.cpp
+++ b/cockatrice/src/decklistmodel.cpp
@@ -195,7 +195,7 @@ QModelIndex DeckListModel::parent(const QModelIndex &ind) const
 Qt::ItemFlags DeckListModel::flags(const QModelIndex &index) const
 {
     if (!index.isValid()) {
-        return nullptr;
+        return Qt::NoItemFlags;
     }
 
     Qt::ItemFlags result = Qt::ItemIsEnabled;
@@ -517,4 +517,4 @@ void DeckListModel::printDeckList(QPrinter *printer)
     }
 
     doc.print(printer);
-}
\ No newline at end of file
+}
diff --git a/cockatrice/src/dlg_edit_avatar.cpp b/cockatrice/src/dlg_edit_avatar.cpp
index 48aae67d..cbdd89b5 100644
--- a/cockatrice/src/dlg_edit_avatar.cpp
+++ b/cockatrice/src/dlg_edit_avatar.cpp
@@ -10,7 +10,7 @@
 #include <QPushButton>
 #include <QVBoxLayout>
 
-DlgEditAvatar::DlgEditAvatar(QWidget *parent) : QDialog(parent)
+DlgEditAvatar::DlgEditAvatar(QWidget *parent) : QDialog(parent), image()
 {
     imageLabel = new QLabel(tr("No image chosen."));
     imageLabel->setFixedSize(400, 200);
@@ -55,7 +55,6 @@ void DlgEditAvatar::actBrowse()
         return;
     }
 
-    QImage image;
     QImageReader imgReader;
     imgReader.setDecideFormatFromContent(true);
     imgReader.setFileName(fileName);
@@ -69,13 +68,9 @@ void DlgEditAvatar::actBrowse()
 
 QByteArray DlgEditAvatar::getImage()
 {
-    const QPixmap *pix = imageLabel->pixmap();
-    if (!pix || pix->isNull())
-        return QByteArray();
-
-    QImage image = pix->toImage();
-    if (image.isNull())
+    if (image.isNull()) {
         return QByteArray();
+    }
 
     QByteArray ba;
     QBuffer buffer(&ba);
diff --git a/cockatrice/src/dlg_edit_avatar.h b/cockatrice/src/dlg_edit_avatar.h
index 7530a2c2..a3fb56f3 100644
--- a/cockatrice/src/dlg_edit_avatar.h
+++ b/cockatrice/src/dlg_edit_avatar.h
@@ -20,6 +20,7 @@ private slots:
     void actBrowse();
 
 private:
+    QImage image;
     QLabel *textLabel, *imageLabel;
     QPushButton *browseButton;
 };
diff --git a/cockatrice/src/filtertreemodel.cpp b/cockatrice/src/filtertreemodel.cpp
index 13dd1b9c..ee7779f6 100644
--- a/cockatrice/src/filtertreemodel.cpp
+++ b/cockatrice/src/filtertreemodel.cpp
@@ -174,11 +174,11 @@ Qt::ItemFlags FilterTreeModel::flags(const QModelIndex &index) const
     Qt::ItemFlags result;
 
     if (!index.isValid())
-        return 0;
+        return Qt::NoItemFlags;
 
     node = indexToNode(index);
     if (node == NULL)
-        return 0;
+        return Qt::NoItemFlags;
 
     result = Qt::ItemIsEnabled;
     if (node == fTree)
diff --git a/cockatrice/src/logger.cpp b/cockatrice/src/logger.cpp
index de3a7df6..74ed9059 100644
--- a/cockatrice/src/logger.cpp
+++ b/cockatrice/src/logger.cpp
@@ -53,10 +53,17 @@ void Logger::openLogfileSession()
     fileHandle.setFileName(LOGGER_FILENAME);
     fileHandle.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Text);
     fileStream.setDevice(&fileHandle);
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+    fileStream << "Log session started at " << QDateTime::currentDateTime().toString() << Qt::endl;
+    fileStream << getClientVersion() << Qt::endl;
+    fileStream << getSystemArchitecture() << Qt::endl;
+    fileStream << getClientInstallInfo() << Qt::endl;
+#else
     fileStream << "Log session started at " << QDateTime::currentDateTime().toString() << endl;
     fileStream << getClientVersion() << endl;
     fileStream << getSystemArchitecture() << endl;
     fileStream << getClientInstallInfo() << endl;
+#endif
     logToFileEnabled = true;
 }
 
@@ -66,7 +73,11 @@ void Logger::closeLogfileSession()
         return;
 
     logToFileEnabled = false;
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+    fileStream << "Log session closed at " << QDateTime::currentDateTime().toString() << Qt::endl;
+#else
     fileStream << "Log session closed at " << QDateTime::currentDateTime().toString() << endl;
+#endif
     fileHandle.close();
 }
 
@@ -87,8 +98,13 @@ void Logger::internalLog(QString message)
     emit logEntryAdded(message);
     std::cerr << message.toStdString() << std::endl; // Print to stdout
 
-    if (logToFileEnabled)
+    if (logToFileEnabled) {
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+        fileStream << message << Qt::endl; // Print to fileStream
+#else
         fileStream << message << endl; // Print to fileStream
+#endif
+    }
 }
 
 QString Logger::getSystemArchitecture()
diff --git a/cockatrice/src/main.cpp b/cockatrice/src/main.cpp
index 06dd9c38..731d50ad 100644
--- a/cockatrice/src/main.cpp
+++ b/cockatrice/src/main.cpp
@@ -144,7 +144,6 @@ int main(int argc, char *argv[])
 
     QLocale::setDefault(QLocale::English);
 
-    qsrand(QDateTime::currentDateTime().toTime_t());
     qDebug("main(): starting main program");
 
     MainWindow ui;
diff --git a/cockatrice/src/messagelogwidget.cpp b/cockatrice/src/messagelogwidget.cpp
index 180c5157..b6df0985 100644
--- a/cockatrice/src/messagelogwidget.cpp
+++ b/cockatrice/src/messagelogwidget.cpp
@@ -558,7 +558,7 @@ void MessageLogWidget::logRollDie(Player *player, int sides, int roll)
 
 void MessageLogWidget::logSay(Player *player, QString message)
 {
-    appendMessage(std::move(message), nullptr, player->getName(), UserLevelFlags(player->getUserInfo()->user_level()),
+    appendMessage(std::move(message), {}, player->getName(), UserLevelFlags(player->getUserInfo()->user_level()),
                   QString::fromStdString(player->getUserInfo()->privlevel()), true);
 }
 
@@ -740,7 +740,7 @@ void MessageLogWidget::logSpectatorSay(QString spectatorName,
                                        QString userPrivLevel,
                                        QString message)
 {
-    appendMessage(std::move(message), nullptr, spectatorName, spectatorUserLevel, userPrivLevel, false);
+    appendMessage(std::move(message), {}, spectatorName, spectatorUserLevel, userPrivLevel, false);
 }
 
 void MessageLogWidget::logStopDumpZone(Player *player, CardZone *zone)
diff --git a/cockatrice/src/remotedecklist_treewidget.cpp b/cockatrice/src/remotedecklist_treewidget.cpp
index cc0c40e4..2df691a9 100644
--- a/cockatrice/src/remotedecklist_treewidget.cpp
+++ b/cockatrice/src/remotedecklist_treewidget.cpp
@@ -203,8 +203,9 @@ QModelIndex RemoteDeckList_TreeModel::parent(const QModelIndex &ind) const
 
 Qt::ItemFlags RemoteDeckList_TreeModel::flags(const QModelIndex &index) const
 {
-    if (!index.isValid())
-        return 0;
+    if (!index.isValid()) {
+        return Qt::NoItemFlags;
+    }
 
     return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
 }
diff --git a/cockatrice/src/remotereplaylist_treewidget.cpp b/cockatrice/src/remotereplaylist_treewidget.cpp
index 15e81774..b81191a0 100644
--- a/cockatrice/src/remotereplaylist_treewidget.cpp
+++ b/cockatrice/src/remotereplaylist_treewidget.cpp
@@ -199,7 +199,7 @@ QModelIndex RemoteReplayList_TreeModel::parent(const QModelIndex &ind) const
 Qt::ItemFlags RemoteReplayList_TreeModel::flags(const QModelIndex &index) const
 {
     if (!index.isValid())
-        return 0;
+        return Qt::NoItemFlags;
 
     return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
 }
diff --git a/cockatrice/src/replay_timeline_widget.cpp b/cockatrice/src/replay_timeline_widget.cpp
index 6d04dce8..e79ad5f5 100644
--- a/cockatrice/src/replay_timeline_widget.cpp
+++ b/cockatrice/src/replay_timeline_widget.cpp
@@ -1,6 +1,7 @@
 #include "replay_timeline_widget.h"
 
 #include <QPainter>
+#include <QPainterPath>
 #include <QPalette>
 #include <QTimer>
 #include <cmath>
diff --git a/cockatrice/src/setsmodel.cpp b/cockatrice/src/setsmodel.cpp
index 2941ab75..bd18d7ad 100644
--- a/cockatrice/src/setsmodel.cpp
+++ b/cockatrice/src/setsmodel.cpp
@@ -96,7 +96,7 @@ QVariant SetsModel::headerData(int section, Qt::Orientation orientation, int rol
 Qt::ItemFlags SetsModel::flags(const QModelIndex &index) const
 {
     if (!index.isValid())
-        return 0;
+        return Qt::NoItemFlags;
 
     Qt::ItemFlags flags = QAbstractTableModel::flags(index) | Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled;
 
@@ -195,12 +195,12 @@ void SetsModel::swapRows(int oldRow, int newRow)
 
 void SetsModel::sort(int column, Qt::SortOrder order)
 {
-    QMap<QString, CardSetPtr> setMap;
+    QMultiMap<QString, CardSetPtr> setMap;
     int numRows = rowCount();
     int row;
 
     for (row = 0; row < numRows; ++row)
-        setMap.insertMulti(index(row, column).data(SetsModel::SortRole).toString(), sets.at(row));
+        setMap.insert(index(row, column).data(SetsModel::SortRole).toString(), sets.at(row));
 
     QList<CardSetPtr> tmp = setMap.values();
     sets.clear();
diff --git a/cockatrice/src/tab_message.cpp b/cockatrice/src/tab_message.cpp
index 7395dc93..8ed0a6e1 100644
--- a/cockatrice/src/tab_message.cpp
+++ b/cockatrice/src/tab_message.cpp
@@ -123,7 +123,7 @@ void TabMessage::processUserMessageEvent(const Event_UserMessage &event)
     const UserLevelFlags userLevel(userInfo->user_level());
     const QString userPriv = QString::fromStdString(userInfo->privlevel());
 
-    chatView->appendMessage(QString::fromStdString(event.message()), 0, QString::fromStdString(event.sender_name()),
+    chatView->appendMessage(QString::fromStdString(event.message()), {}, QString::fromStdString(event.sender_name()),
                             userLevel, userPriv, true);
     if (tabSupervisor->currentIndex() != tabSupervisor->indexOf(this))
         soundEngine->playSound("private_message");
diff --git a/cockatrice/src/userinfobox.h b/cockatrice/src/userinfobox.h
index 6f0f8df0..b3de4f1a 100644
--- a/cockatrice/src/userinfobox.h
+++ b/cockatrice/src/userinfobox.h
@@ -20,7 +20,7 @@ private:
     QPushButton editButton, passwordButton, avatarButton;
 
 public:
-    UserInfoBox(AbstractClient *_client, bool editable, QWidget *parent = nullptr, Qt::WindowFlags flags = 0);
+    UserInfoBox(AbstractClient *_client, bool editable, QWidget *parent = nullptr, Qt::WindowFlags flags = {});
     void retranslateUi();
 private slots:
     void processResponse(const Response &r);
diff --git a/cockatrice/src/window_main.cpp b/cockatrice/src/window_main.cpp
index c2e0776d..56974403 100644
--- a/cockatrice/src/window_main.cpp
+++ b/cockatrice/src/window_main.cpp
@@ -1120,7 +1120,7 @@ void MainWindow::actCheckCardUpdates()
         return;
     }
 
-    cardUpdateProcess->start("\"" + updaterCmd + "\"");
+    cardUpdateProcess->start("\"" + updaterCmd + "\"", QStringList());
 }
 
 void MainWindow::cardUpdateError(QProcess::ProcessError err)
diff --git a/cockatrice/src/zoneviewwidget.cpp b/cockatrice/src/zoneviewwidget.cpp
index 225f46e1..d73f6769 100644
--- a/cockatrice/src/zoneviewwidget.cpp
+++ b/cockatrice/src/zoneviewwidget.cpp
@@ -84,15 +84,15 @@ ZoneViewWidget::ZoneViewWidget(Player *_player,
     scrollBar->setSingleStep(20);
     scrollBar->setPageStep(200);
     connect(scrollBar, SIGNAL(valueChanged(int)), this, SLOT(handleScrollBarChange(int)));
-    QGraphicsProxyWidget *scrollBarProxy = new QGraphicsProxyWidget;
+    scrollBarProxy = new ScrollableGraphicsProxyWidget;
     scrollBarProxy->setWidget(scrollBar);
     zoneHBox->addItem(scrollBarProxy);
 
     vbox->addItem(zoneHBox);
 
     zone = new ZoneViewZone(player, _origZone, numberCards, _revealZone, _writeableRevealZone, zoneContainer);
-    connect(zone, SIGNAL(wheelEventReceived(QGraphicsSceneWheelEvent *)), this,
-            SLOT(handleWheelEvent(QGraphicsSceneWheelEvent *)));
+    connect(zone, SIGNAL(wheelEventReceived(QGraphicsSceneWheelEvent *)), scrollBarProxy,
+            SLOT(recieveWheelEvent(QGraphicsSceneWheelEvent *)));
 
     // numberCard is the num of cards we want to reveal from an area. Ex: scry the top 3 cards.
     // If the number is < 0 then it means that we can make the area sorted and we dont care about the order.
@@ -192,12 +192,6 @@ void ZoneViewWidget::resizeToZoneContents()
         layout()->invalidate();
 }
 
-void ZoneViewWidget::handleWheelEvent(QGraphicsSceneWheelEvent *event)
-{
-    QWheelEvent wheelEvent(QPoint(), event->delta(), event->buttons(), event->modifiers(), event->orientation());
-    scrollBar->event(&wheelEvent);
-}
-
 void ZoneViewWidget::handleScrollBarChange(int value)
 {
     zone->setY(-value);
diff --git a/cockatrice/src/zoneviewwidget.h b/cockatrice/src/zoneviewwidget.h
index 4631ca86..78cadb4b 100644
--- a/cockatrice/src/zoneviewwidget.h
+++ b/cockatrice/src/zoneviewwidget.h
@@ -2,6 +2,7 @@
 #define ZONEVIEWWIDGET_H
 
 #include <QCheckBox>
+#include <QGraphicsProxyWidget>
 #include <QGraphicsWidget>
 
 class QLabel;
@@ -18,6 +19,16 @@ class QGraphicsSceneMouseEvent;
 class QGraphicsSceneWheelEvent;
 class QStyleOption;
 
+class ScrollableGraphicsProxyWidget : public QGraphicsProxyWidget
+{
+    Q_OBJECT
+public slots:
+    void recieveWheelEvent(QGraphicsSceneWheelEvent *event)
+    {
+        wheelEvent(event);
+    }
+};
+
 class ZoneViewWidget : public QGraphicsWidget
 {
     Q_OBJECT
@@ -27,6 +38,7 @@ private:
 
     QPushButton *closeButton;
     QScrollBar *scrollBar;
+    ScrollableGraphicsProxyWidget *scrollBarProxy;
     QCheckBox sortByNameCheckBox;
     QCheckBox sortByTypeCheckBox;
     QCheckBox shuffleCheckBox;
@@ -42,7 +54,6 @@ private slots:
     void processSortByName(int value);
     void processSetPileView(int value);
     void resizeToZoneContents();
-    void handleWheelEvent(QGraphicsSceneWheelEvent *event);
     void handleScrollBarChange(int value);
     void zoneDeleted();
     void moveEvent(QGraphicsSceneMoveEvent * /* event */);
diff --git a/oracle/src/oracleimporter.cpp b/oracle/src/oracleimporter.cpp
index ae9e9481..3444fac7 100644
--- a/oracle/src/oracleimporter.cpp
+++ b/oracle/src/oracleimporter.cpp
@@ -216,7 +216,7 @@ int OracleImporter::importCardsFromSet(CardSetPtr currentSet, const QList<QVaria
                                                           {"rarity", "rarity"}};
 
     int numCards = 0;
-    QMap<QString, SplitCardPart> splitCards;
+    QMultiMap<QString, SplitCardPart> splitCards;
     QString ptSeparator("/");
     QVariantMap card;
     QString layout, name, text, colors, colorIdentity, maintype, power, toughness;
@@ -338,7 +338,7 @@ int OracleImporter::importCardsFromSet(CardSetPtr currentSet, const QList<QVaria
             // construct full card name
             name = additionalNames.join(QString(" // "));
             SplitCardPart split(index, text, properties, setInfo);
-            splitCards.insertMulti(name, split);
+            splitCards.insert(name, split);
         } else {
             // relations
             relatedCards.clear();
diff --git a/servatrice/src/isl_interface.cpp b/servatrice/src/isl_interface.cpp
index b23f6036..1ba4780f 100644
--- a/servatrice/src/isl_interface.cpp
+++ b/servatrice/src/isl_interface.cpp
@@ -110,7 +110,11 @@ void IslInterface::initServer()
 
     socket->startServerEncryption();
     if (!socket->waitForEncrypted(5000)) {
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
+        QList<QSslError> sslErrors(socket->sslHandshakeErrors());
+#else
         QList<QSslError> sslErrors(socket->sslErrors());
+#endif
         if (sslErrors.isEmpty())
             qDebug() << "[ISL] SSL handshake timeout, terminating connection";
         else
@@ -187,7 +191,11 @@ void IslInterface::initClient()
         return;
     }
     if (!socket->waitForEncrypted(5000)) {
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
+        QList<QSslError> sslErrors(socket->sslHandshakeErrors());
+#else
         QList<QSslError> sslErrors(socket->sslErrors());
+#endif
         if (sslErrors.isEmpty())
             qDebug() << "[ISL] SSL handshake timeout, terminating connection";
         else
diff --git a/servatrice/src/servatrice.cpp b/servatrice/src/servatrice.cpp
index 3264d140..d3bb488b 100644
--- a/servatrice/src/servatrice.cpp
+++ b/servatrice/src/servatrice.cpp
@@ -265,7 +265,11 @@ bool Servatrice::initServer()
     qDebug() << "Accept registered users only: " << getRegOnlyServerEnabled();
     qDebug() << "Registration enabled: " << getRegistrationEnabled();
     if (getRegistrationEnabled()) {
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+        QStringList emailBlackListFilters = getEmailBlackList().split(",", Qt::SkipEmptyParts);
+#else
         QStringList emailBlackListFilters = getEmailBlackList().split(",", QString::SkipEmptyParts);
+#endif
         qDebug() << "Email blacklist: " << emailBlackListFilters;
         qDebug() << "Require email address to register: " << getRequireEmailForRegistrationEnabled();
         qDebug() << "Require email activation via token: " << getRequireEmailActivationEnabled();
@@ -568,7 +572,11 @@ void Servatrice::setRequiredFeatures(const QString featureList)
     FeatureSet features;
     serverRequiredFeatureList.clear();
     features.initalizeFeatureList(serverRequiredFeatureList);
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+    QStringList listReqFeatures = featureList.split(",", Qt::SkipEmptyParts);
+#else
     QStringList listReqFeatures = featureList.split(",", QString::SkipEmptyParts);
+#endif
     if (!listReqFeatures.isEmpty())
         foreach (QString reqFeature, listReqFeatures)
             features.enableRequiredFeature(serverRequiredFeatureList, reqFeature);
diff --git a/servatrice/src/servatrice_database_interface.cpp b/servatrice/src/servatrice_database_interface.cpp
index 648f939e..fcb43bf9 100644
--- a/servatrice/src/servatrice_database_interface.cpp
+++ b/servatrice/src/servatrice_database_interface.cpp
@@ -146,7 +146,11 @@ bool Servatrice_DatabaseInterface::usernameIsValid(const QString &user, QString
     bool allowPunctuationPrefix = settingsCache->value("users/allowpunctuationprefix", false).toBool();
     QString allowedPunctuation = settingsCache->value("users/allowedpunctuation", "_").toString();
     QString disallowedWordsStr = settingsCache->value("users/disallowedwords", "").toString();
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+    QStringList disallowedWords = disallowedWordsStr.split(",", Qt::SkipEmptyParts);
+#else
     QStringList disallowedWords = disallowedWordsStr.split(",", QString::SkipEmptyParts);
+#endif
     disallowedWords.removeDuplicates();
     QString disallowedRegExpStr = settingsCache->value("users/disallowedregexp", "").toString();
 
diff --git a/servatrice/src/server_logger.cpp b/servatrice/src/server_logger.cpp
index 59871a3f..31553cad 100644
--- a/servatrice/src/server_logger.cpp
+++ b/servatrice/src/server_logger.cpp
@@ -57,7 +57,11 @@ void ServerLogger::logMessage(QString message, void *caller)
     // filter out all log entries based on values in configuration file
     bool shouldWeWriteLog = settingsCache->value("server/writelog", 1).toBool();
     QString logFilters = settingsCache->value("server/logfilters").toString();
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+    QStringList listlogFilters = logFilters.split(",", Qt::SkipEmptyParts);
+#else
     QStringList listlogFilters = logFilters.split(",", QString::SkipEmptyParts);
+#endif
     bool shouldWeSkipLine = false;
 
     if (!shouldWeWriteLog)
diff --git a/servatrice/src/serversocketinterface.cpp b/servatrice/src/serversocketinterface.cpp
index ddf6c6ef..5c59bdd4 100644
--- a/servatrice/src/serversocketinterface.cpp
+++ b/servatrice/src/serversocketinterface.cpp
@@ -808,7 +808,11 @@ Response::ResponseCode AbstractServerSocketInterface::cmdGetWarnList(const Comma
     Response_WarnList *re = new Response_WarnList;
 
     QString officialWarnings = settingsCache->value("server/officialwarnings").toString();
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+    QStringList warningsList = officialWarnings.split(",", Qt::SkipEmptyParts);
+#else
     QStringList warningsList = officialWarnings.split(",", QString::SkipEmptyParts);
+#endif
     foreach (QString warning, warningsList) {
         re->add_warning(warning.toStdString());
     }
@@ -986,7 +990,11 @@ Response::ResponseCode AbstractServerSocketInterface::cmdRegisterAccount(const C
 
     QString emailBlackList = servatrice->getEmailBlackList();
     QString emailAddress = QString::fromStdString(cmd.email());
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+    QStringList emailBlackListFilters = emailBlackList.split(",", Qt::SkipEmptyParts);
+#else
     QStringList emailBlackListFilters = emailBlackList.split(",", QString::SkipEmptyParts);
+#endif
 
     // verify that users email/provider is not blacklisted
     if (!emailBlackList.trimmed().isEmpty()) {
diff --git a/servatrice/src/settingscache.cpp b/servatrice/src/settingscache.cpp
index 8d9c0c23..06052a33 100644
--- a/servatrice/src/settingscache.cpp
+++ b/servatrice/src/settingscache.cpp
@@ -12,7 +12,11 @@ SettingsCache::SettingsCache(const QString &fileName, QSettings::Format format,
     isPortableBuild = QFile::exists(qApp->applicationDirPath() + "/portable.dat");
 
     QStringList disallowedRegExpStr =
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+        value("users/disallowedregexp", "").toString().split(",", Qt::SkipEmptyParts);
+#else
         value("users/disallowedregexp", "").toString().split(",", QString::SkipEmptyParts);
+#endif
     disallowedRegExpStr.removeDuplicates();
     for (const QString &regExpStr : disallowedRegExpStr) {
         disallowedRegExp.append(QRegExp(regExpStr));
diff --git a/servatrice/src/smtp/qxtsmtp.cpp b/servatrice/src/smtp/qxtsmtp.cpp
index 5ec59f0c..f9afd8c5 100644
--- a/servatrice/src/smtp/qxtsmtp.cpp
+++ b/servatrice/src/smtp/qxtsmtp.cpp
@@ -362,7 +362,11 @@ void QxtSmtpPrivate::authenticate()
     }
     else
     {
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+        QStringList auth = extensions["AUTH"].toUpper().split(' ', Qt::SkipEmptyParts);
+#else
         QStringList auth = extensions["AUTH"].toUpper().split(' ', QString::SkipEmptyParts);
+#endif
         if (auth.contains("CRAM-MD5"))
         {
             authCramMD5();