diff --git a/launcher/Application.cpp b/launcher/Application.cpp
index fd76d4671..5e70286ac 100644
--- a/launcher/Application.cpp
+++ b/launcher/Application.cpp
@@ -1608,7 +1608,7 @@ void Application::updateIsRunning(bool running)
 
 void Application::controllerSucceeded()
 {
-    auto controller = qobject_cast<LaunchController*>(QObject::sender());
+    auto controller = qobject_cast<LaunchController*>(sender());
     if (!controller)
         return;
     auto id = controller->id();
@@ -1635,7 +1635,7 @@ void Application::controllerSucceeded()
 void Application::controllerFailed(const QString& error)
 {
     Q_UNUSED(error);
-    auto controller = qobject_cast<LaunchController*>(QObject::sender());
+    auto controller = qobject_cast<LaunchController*>(sender());
     if (!controller)
         return;
     auto id = controller->id();
@@ -1747,7 +1747,7 @@ InstanceWindow* Application::showInstanceWindow(InstancePtr instance, QString pa
 void Application::on_windowClose()
 {
     m_openWindows--;
-    auto instWindow = qobject_cast<InstanceWindow*>(QObject::sender());
+    auto instWindow = qobject_cast<InstanceWindow*>(sender());
     if (instWindow) {
         QMutexLocker locker(&m_instanceExtrasMutex);
         auto& extras = m_instanceExtras[instWindow->instanceId()];
@@ -1756,7 +1756,7 @@ void Application::on_windowClose()
             extras.controller->setParentWidget(m_mainWindow);
         }
     }
-    auto mainWindow = qobject_cast<MainWindow*>(QObject::sender());
+    auto mainWindow = qobject_cast<MainWindow*>(sender());
     if (mainWindow) {
         m_mainWindow = nullptr;
     }
diff --git a/launcher/LoggedProcess.cpp b/launcher/LoggedProcess.cpp
index 35ce4e0e5..b1efc8bd3 100644
--- a/launcher/LoggedProcess.cpp
+++ b/launcher/LoggedProcess.cpp
@@ -45,7 +45,7 @@ LoggedProcess::LoggedProcess(const QTextCodec* output_codec, QObject* parent)
     // QProcess has a strange interface... let's map a lot of those into a few.
     connect(this, &QProcess::readyReadStandardOutput, this, &LoggedProcess::on_stdOut);
     connect(this, &QProcess::readyReadStandardError, this, &LoggedProcess::on_stdErr);
-    connect(this, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished), this, &LoggedProcess::on_exit);
+    connect(this, &QProcess::finished, this, &LoggedProcess::on_exit);
     connect(this, &QProcess::errorOccurred, this, &LoggedProcess::on_error);
     connect(this, &QProcess::stateChanged, this, &LoggedProcess::on_stateChange);
 }
diff --git a/launcher/java/JavaChecker.cpp b/launcher/java/JavaChecker.cpp
index 0aa725705..23bd1b73e 100644
--- a/launcher/java/JavaChecker.cpp
+++ b/launcher/java/JavaChecker.cpp
@@ -84,7 +84,7 @@ void JavaChecker::executeTask()
     process->setProcessEnvironment(CleanEnviroment());
     qDebug() << "Running java checker:" << m_path << args.join(" ");
 
-    connect(process.get(), QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished), this, &JavaChecker::finished);
+    connect(process.get(), &QProcess::finished, this, &JavaChecker::finished);
     connect(process.get(), &QProcess::errorOccurred, this, &JavaChecker::error);
     connect(process.get(), &QProcess::readyReadStandardOutput, this, &JavaChecker::stdoutReady);
     connect(process.get(), &QProcess::readyReadStandardError, this, &JavaChecker::stderrReady);
diff --git a/launcher/meta/Index.cpp b/launcher/meta/Index.cpp
index 25a4cd146..d0c7075cd 100644
--- a/launcher/meta/Index.cpp
+++ b/launcher/meta/Index.cpp
@@ -154,7 +154,7 @@ Version::Ptr Index::getLoadedVersion(const QString& uid, const QString& version)
 {
     QEventLoop ev;
     auto task = loadVersion(uid, version);
-    QObject::connect(task.get(), &Task::finished, &ev, &QEventLoop::quit);
+    connect(task.get(), &Task::finished, &ev, &QEventLoop::quit);
     task->start();
     ev.exec();
     return get(uid, version);
diff --git a/launcher/meta/VersionList.cpp b/launcher/meta/VersionList.cpp
index 1f4a969fa..dfca52d87 100644
--- a/launcher/meta/VersionList.cpp
+++ b/launcher/meta/VersionList.cpp
@@ -282,7 +282,7 @@ void VersionList::waitToLoad()
         return;
     QEventLoop ev;
     auto task = getLoadTask();
-    QObject::connect(task.get(), &Task::finished, &ev, &QEventLoop::quit);
+    connect(task.get(), &Task::finished, &ev, &QEventLoop::quit);
     task->start();
     ev.exec();
 }
diff --git a/launcher/minecraft/mod/ResourceFolderModel.cpp b/launcher/minecraft/mod/ResourceFolderModel.cpp
index ed33ed5cd..fbcd1b0bc 100644
--- a/launcher/minecraft/mod/ResourceFolderModel.cpp
+++ b/launcher/minecraft/mod/ResourceFolderModel.cpp
@@ -175,9 +175,9 @@ void ResourceFolderModel::installResourceWithFlameMetadata(QString path, ModPlat
 
         auto response = std::make_shared<QByteArray>();
         auto job = FlameAPI().getProject(vers.addonId.toString(), response);
-        QObject::connect(job.get(), &Task::failed, this, install);
-        QObject::connect(job.get(), &Task::aborted, this, install);
-        QObject::connect(job.get(), &Task::succeeded, [response, this, &vers, install, &pack] {
+        connect(job.get(), &Task::failed, this, install);
+        connect(job.get(), &Task::aborted, this, install);
+        connect(job.get(), &Task::succeeded, [response, this, &vers, install, &pack] {
             QJsonParseError parse_error{};
             QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
             if (parse_error.error != QJsonParseError::NoError) {
@@ -194,7 +194,7 @@ void ResourceFolderModel::installResourceWithFlameMetadata(QString path, ModPlat
                 qWarning() << "Error while reading mod info: " << e.cause();
             }
             LocalResourceUpdateTask update_metadata(indexDir(), pack, vers);
-            QObject::connect(&update_metadata, &Task::finished, this, install);
+            connect(&update_metadata, &Task::finished, this, install);
             update_metadata.start();
         });
 
diff --git a/launcher/minecraft/mod/tasks/GetModDependenciesTask.cpp b/launcher/minecraft/mod/tasks/GetModDependenciesTask.cpp
index b63d36361..af00c3b9a 100644
--- a/launcher/minecraft/mod/tasks/GetModDependenciesTask.cpp
+++ b/launcher/minecraft/mod/tasks/GetModDependenciesTask.cpp
@@ -147,7 +147,7 @@ Task::Ptr GetModDependenciesTask::getProjectInfoTask(std::shared_ptr<PackDepende
     auto provider = pDep->pack->provider == m_flame_provider.name ? m_flame_provider : m_modrinth_provider;
     auto responseInfo = std::make_shared<QByteArray>();
     auto info = provider.api->getProject(pDep->pack->addonId.toString(), responseInfo);
-    QObject::connect(info.get(), &NetJob::succeeded, [this, responseInfo, provider, pDep] {
+    connect(info.get(), &NetJob::succeeded, [this, responseInfo, provider, pDep] {
         QJsonParseError parse_error{};
         QJsonDocument doc = QJsonDocument::fromJson(*responseInfo, &parse_error);
         if (parse_error.error != QJsonParseError::NoError) {
diff --git a/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp b/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp
index 261ef786d..042214c84 100644
--- a/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp
+++ b/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp
@@ -91,9 +91,9 @@ void PackInstallTask::executeTask()
         QString(BuildConfig.ATL_DOWNLOAD_SERVER_URL + "packs/%1/versions/%2/Configs.json").arg(m_pack_safe_name).arg(m_version_name);
     netJob->addNetAction(Net::ApiDownload::makeByteArray(QUrl(searchUrl), response));
 
-    QObject::connect(netJob.get(), &NetJob::succeeded, this, &PackInstallTask::onDownloadSucceeded);
-    QObject::connect(netJob.get(), &NetJob::failed, this, &PackInstallTask::onDownloadFailed);
-    QObject::connect(netJob.get(), &NetJob::aborted, this, &PackInstallTask::onDownloadAborted);
+    connect(netJob.get(), &NetJob::succeeded, this, &PackInstallTask::onDownloadSucceeded);
+    connect(netJob.get(), &NetJob::failed, this, &PackInstallTask::onDownloadFailed);
+    connect(netJob.get(), &NetJob::aborted, this, &PackInstallTask::onDownloadAborted);
 
     jobPtr = netJob;
     jobPtr->start();
diff --git a/launcher/modplatform/legacy_ftb/PackFetchTask.cpp b/launcher/modplatform/legacy_ftb/PackFetchTask.cpp
index aea9cefad..717e63084 100644
--- a/launcher/modplatform/legacy_ftb/PackFetchTask.cpp
+++ b/launcher/modplatform/legacy_ftb/PackFetchTask.cpp
@@ -59,9 +59,9 @@ void PackFetchTask::fetch()
     qDebug() << "Downloading thirdparty version info from" << thirdPartyUrl.toString();
     jobPtr->addNetAction(Net::Download::makeByteArray(thirdPartyUrl, thirdPartyModpacksXmlFileData));
 
-    QObject::connect(jobPtr.get(), &NetJob::succeeded, this, &PackFetchTask::fileDownloadFinished);
-    QObject::connect(jobPtr.get(), &NetJob::failed, this, &PackFetchTask::fileDownloadFailed);
-    QObject::connect(jobPtr.get(), &NetJob::aborted, this, &PackFetchTask::fileDownloadAborted);
+    connect(jobPtr.get(), &NetJob::succeeded, this, &PackFetchTask::fileDownloadFinished);
+    connect(jobPtr.get(), &NetJob::failed, this, &PackFetchTask::fileDownloadFailed);
+    connect(jobPtr.get(), &NetJob::aborted, this, &PackFetchTask::fileDownloadAborted);
 
     jobPtr->start();
 }
@@ -76,7 +76,7 @@ void PackFetchTask::fetchPrivate(const QStringList& toFetch)
         job->addNetAction(Net::ApiDownload::makeByteArray(privatePackBaseUrl.arg(packCode), data));
         job->setAskRetry(false);
 
-        QObject::connect(job, &NetJob::succeeded, this, [this, job, data, packCode] {
+        connect(job, &NetJob::succeeded, this, [this, job, data, packCode] {
             ModpackList packs;
             parseAndAddPacks(*data, PackType::Private, packs);
             for (auto& currentPack : packs) {
@@ -89,14 +89,14 @@ void PackFetchTask::fetchPrivate(const QStringList& toFetch)
             data->clear();
         });
 
-        QObject::connect(job, &NetJob::failed, this, [this, job, packCode, data](QString reason) {
+        connect(job, &NetJob::failed, this, [this, job, packCode, data](QString reason) {
             emit privateFileDownloadFailed(reason, packCode);
             job->deleteLater();
 
             data->clear();
         });
 
-        QObject::connect(job, &NetJob::aborted, this, [this, job, data] {
+        connect(job, &NetJob::aborted, this, [this, job, data] {
             emit aborted();
             job->deleteLater();
 
diff --git a/launcher/news/NewsChecker.cpp b/launcher/news/NewsChecker.cpp
index 169589f78..dc4447aba 100644
--- a/launcher/news/NewsChecker.cpp
+++ b/launcher/news/NewsChecker.cpp
@@ -59,8 +59,8 @@ void NewsChecker::reloadNews()
     NetJob::Ptr job{ new NetJob("News RSS Feed", m_network) };
     job->addNetAction(Net::Download::makeByteArray(m_feedUrl, newsData));
     job->setAskRetry(false);
-    QObject::connect(job.get(), &NetJob::succeeded, this, &NewsChecker::rssDownloadFinished);
-    QObject::connect(job.get(), &NetJob::failed, this, &NewsChecker::rssDownloadFailed);
+    connect(job.get(), &NetJob::succeeded, this, &NewsChecker::rssDownloadFinished);
+    connect(job.get(), &NetJob::failed, this, &NewsChecker::rssDownloadFailed);
     m_newsNetJob.reset(job);
     job->start();
 }
diff --git a/launcher/settings/SettingsObject.cpp b/launcher/settings/SettingsObject.cpp
index 0df22b42d..7501d6748 100644
--- a/launcher/settings/SettingsObject.cpp
+++ b/launcher/settings/SettingsObject.cpp
@@ -119,10 +119,10 @@ bool SettingsObject::reload()
 void SettingsObject::connectSignals(const Setting& setting)
 {
     connect(&setting, &Setting::SettingChanged, this, &SettingsObject::changeSetting);
-    connect(&setting, SIGNAL(SettingChanged(const Setting&, QVariant)), this, SIGNAL(SettingChanged(const Setting&, QVariant)));
+    connect(&setting, &Setting::SettingChanged, this, &SettingsObject::SettingChanged);
 
     connect(&setting, &Setting::settingReset, this, &SettingsObject::resetSetting);
-    connect(&setting, SIGNAL(settingReset(Setting)), this, SIGNAL(settingReset(const Setting&)));
+    connect(&setting, &Setting::settingReset, this, &SettingsObject::settingReset);
 }
 
 std::shared_ptr<Setting> SettingsObject::getOrRegisterSetting(const QString& id, QVariant defVal)
diff --git a/launcher/tools/JProfiler.cpp b/launcher/tools/JProfiler.cpp
index 7a532a3d2..8550038d2 100644
--- a/launcher/tools/JProfiler.cpp
+++ b/launcher/tools/JProfiler.cpp
@@ -57,7 +57,7 @@ void JProfiler::beginProfilingImpl(shared_qobject_ptr<LaunchTask> process)
     profiler->setProgram(profilerProgram);
 
     connect(profiler, &QProcess::started, this, &JProfiler::profilerStarted);
-    connect(profiler, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished), this, &JProfiler::profilerFinished);
+    connect(profiler, &QProcess::finished, this, &JProfiler::profilerFinished);
 
     m_profilerProcess = profiler;
     profiler->start();
diff --git a/launcher/tools/JVisualVM.cpp b/launcher/tools/JVisualVM.cpp
index 0cae8e37b..2e1cf69f7 100644
--- a/launcher/tools/JVisualVM.cpp
+++ b/launcher/tools/JVisualVM.cpp
@@ -48,7 +48,7 @@ void JVisualVM::beginProfilingImpl(shared_qobject_ptr<LaunchTask> process)
     profiler->setProgram(programPath);
 
     connect(profiler, &QProcess::started, this, &JVisualVM::profilerStarted);
-    connect(profiler, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished), this, &JVisualVM::profilerFinished);
+    connect(profiler, &QProcess::finished, this, &JVisualVM::profilerFinished);
 
     profiler->start();
     m_profilerProcess = profiler;
diff --git a/launcher/ui/MainWindow.cpp b/launcher/ui/MainWindow.cpp
index 4fc4044cf..9edbda605 100644
--- a/launcher/ui/MainWindow.cpp
+++ b/launcher/ui/MainWindow.cpp
@@ -283,8 +283,8 @@ MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent), ui(new Ui::MainWi
         newsLabel->setFocusPolicy(Qt::NoFocus);
         ui->newsToolBar->insertWidget(ui->actionMoreNews, newsLabel);
 
-        QObject::connect(newsLabel, &QAbstractButton::clicked, this, &MainWindow::newsButtonClicked);
-        QObject::connect(m_newsChecker.get(), &NewsChecker::newsLoaded, this, &MainWindow::updateNewsLabel);
+        connect(newsLabel, &QAbstractButton::clicked, this, &MainWindow::newsButtonClicked);
+        connect(m_newsChecker.get(), &NewsChecker::newsLoaded, this, &MainWindow::updateNewsLabel);
         updateNewsLabel();
     }
 
@@ -563,7 +563,7 @@ void MainWindow::showInstanceContextMenu(const QPoint& pos)
             actionCreateInstance->setData(instance_action_data);
         }
 
-        connect(actionCreateInstance, SIGNAL(triggered(bool)), SLOT(on_actionAddInstance_triggered()));
+        connect(actionCreateInstance, &QAction::triggered, this, &MainWindow::on_actionAddInstance_triggered);
 
         actions.prepend(actionSep);
         actions.prepend(actionVoid);
@@ -693,7 +693,7 @@ void MainWindow::repopulateAccountsMenu()
             }
 
             ui->accountsMenu->addAction(action);
-            connect(action, SIGNAL(triggered(bool)), SLOT(changeActiveAccount()));
+            connect(action, &QAction::triggered, this, &MainWindow::changeActiveAccount);
         }
     }
 
@@ -705,7 +705,7 @@ void MainWindow::repopulateAccountsMenu()
 
     ui->accountsMenu->addAction(ui->actionNoDefaultAccount);
 
-    connect(ui->actionNoDefaultAccount, SIGNAL(triggered(bool)), SLOT(changeActiveAccount()));
+    connect(ui->actionNoDefaultAccount, &QAction::triggered, this, &MainWindow::changeActiveAccount);
 
     ui->accountsMenu->addSeparator();
     ui->accountsMenu->addAction(ui->actionManageAccounts);
@@ -1554,8 +1554,8 @@ void MainWindow::taskEnd()
 
 void MainWindow::startTask(Task* task)
 {
-    connect(task, SIGNAL(succeeded()), SLOT(taskEnd()));
-    connect(task, SIGNAL(failed(QString)), SLOT(taskEnd()));
+    connect(task, &Task::succeeded, this, &MainWindow::taskEnd);
+    connect(task, &Task::failed, this, &MainWindow::taskEnd);
     task->start();
 }
 
diff --git a/launcher/ui/dialogs/AboutDialog.cpp b/launcher/ui/dialogs/AboutDialog.cpp
index a8d60aef1..5b7d44ff7 100644
--- a/launcher/ui/dialogs/AboutDialog.cpp
+++ b/launcher/ui/dialogs/AboutDialog.cpp
@@ -177,7 +177,7 @@ AboutDialog::AboutDialog(QWidget* parent) : QDialog(parent), ui(new Ui::AboutDia
 
     ui->copyLabel->setText(BuildConfig.LAUNCHER_COPYRIGHT);
 
-    connect(ui->closeButton, SIGNAL(clicked()), SLOT(close()));
+    connect(ui->closeButton, &QPushButton::clicked, this, &AboutDialog::close);
 
     connect(ui->aboutQt, &QPushButton::clicked, &QApplication::aboutQt);
 }
diff --git a/launcher/ui/dialogs/ExportInstanceDialog.cpp b/launcher/ui/dialogs/ExportInstanceDialog.cpp
index 51e338503..8d98b0513 100644
--- a/launcher/ui/dialogs/ExportInstanceDialog.cpp
+++ b/launcher/ui/dialogs/ExportInstanceDialog.cpp
@@ -79,7 +79,7 @@ ExportInstanceDialog::ExportInstanceDialog(InstancePtr instance, QWidget* parent
     m_ui->treeView->setRootIndex(m_proxyModel->mapFromSource(model->index(root)));
     m_ui->treeView->sortByColumn(0, Qt::AscendingOrder);
 
-    connect(m_proxyModel, SIGNAL(rowsInserted(QModelIndex, int, int)), SLOT(rowsInserted(QModelIndex, int, int)));
+    connect(m_proxyModel, &QAbstractItemModel::rowsInserted, this, &ExportInstanceDialog::rowsInserted);
 
     model->setFilter(QDir::AllEntries | QDir::NoDotAndDotDot | QDir::AllDirs | QDir::Hidden);
     model->setRootPath(root);
diff --git a/launcher/ui/dialogs/ExportToModListDialog.cpp b/launcher/ui/dialogs/ExportToModListDialog.cpp
index c2ba68f7a..e8873f9b4 100644
--- a/launcher/ui/dialogs/ExportToModListDialog.cpp
+++ b/launcher/ui/dialogs/ExportToModListDialog.cpp
@@ -46,7 +46,7 @@ ExportToModListDialog::ExportToModListDialog(QString name, QList<Mod*> mods, QWi
     ui->setupUi(this);
     enableCustom(false);
 
-    connect(ui->formatComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &ExportToModListDialog::formatChanged);
+    connect(ui->formatComboBox, &QComboBox::currentIndexChanged, this, &ExportToModListDialog::formatChanged);
     connect(ui->authorsCheckBox, &QCheckBox::stateChanged, this, &ExportToModListDialog::trigger);
     connect(ui->versionCheckBox, &QCheckBox::stateChanged, this, &ExportToModListDialog::trigger);
     connect(ui->urlCheckBox, &QCheckBox::stateChanged, this, &ExportToModListDialog::trigger);
diff --git a/launcher/ui/dialogs/IconPickerDialog.cpp b/launcher/ui/dialogs/IconPickerDialog.cpp
index 8f53995f9..f4d352c86 100644
--- a/launcher/ui/dialogs/IconPickerDialog.cpp
+++ b/launcher/ui/dialogs/IconPickerDialog.cpp
@@ -77,13 +77,12 @@ IconPickerDialog::IconPickerDialog(QWidget* parent) : QDialog(parent), ui(new Ui
     ui->buttonBox->button(QDialogButtonBox::Cancel)->setText(tr("Cancel"));
     ui->buttonBox->button(QDialogButtonBox::Ok)->setText(tr("OK"));
 
-    connect(buttonAdd, SIGNAL(clicked(bool)), SLOT(addNewIcon()));
-    connect(buttonRemove, SIGNAL(clicked(bool)), SLOT(removeSelectedIcon()));
+    connect(buttonAdd, &QPushButton::clicked, this, &IconPickerDialog::addNewIcon);
+    connect(buttonRemove, &QPushButton::clicked, this, &IconPickerDialog::removeSelectedIcon);
 
-    connect(contentsWidget, SIGNAL(doubleClicked(QModelIndex)), SLOT(activated(QModelIndex)));
+    connect(contentsWidget, &QAbstractItemView::doubleClicked, this, &IconPickerDialog::activated);
 
-    connect(contentsWidget->selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
-            SLOT(selectionChanged(QItemSelection, QItemSelection)));
+    connect(contentsWidget->selectionModel(), &QItemSelectionModel::selectionChanged, this, &IconPickerDialog::selectionChanged);
 
     auto buttonFolder = ui->buttonBox->addButton(tr("Open Folder"), QDialogButtonBox::ResetRole);
     connect(buttonFolder, &QPushButton::clicked, this, &IconPickerDialog::openFolder);
diff --git a/launcher/ui/dialogs/ImportResourceDialog.cpp b/launcher/ui/dialogs/ImportResourceDialog.cpp
index e3a1e9a6c..97c8f22c5 100644
--- a/launcher/ui/dialogs/ImportResourceDialog.cpp
+++ b/launcher/ui/dialogs/ImportResourceDialog.cpp
@@ -38,9 +38,8 @@ ImportResourceDialog::ImportResourceDialog(QString file_path, PackedResourceType
     proxyModel->sort(0);
     contentsWidget->setModel(proxyModel);
 
-    connect(contentsWidget, SIGNAL(doubleClicked(QModelIndex)), SLOT(activated(QModelIndex)));
-    connect(contentsWidget->selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
-            SLOT(selectionChanged(QItemSelection, QItemSelection)));
+    connect(contentsWidget, &QAbstractItemView::doubleClicked, this, &ImportResourceDialog::activated);
+    connect(contentsWidget->selectionModel(), &QItemSelectionModel::selectionChanged, this, &ImportResourceDialog::selectionChanged);
 
     ui->label->setText(
         tr("Choose the instance you would like to import this %1 to.").arg(ResourceUtils::getPackedTypeName(m_resource_type)));
diff --git a/launcher/ui/dialogs/ProfileSelectDialog.cpp b/launcher/ui/dialogs/ProfileSelectDialog.cpp
index 95bdf99a9..90588ce05 100644
--- a/launcher/ui/dialogs/ProfileSelectDialog.cpp
+++ b/launcher/ui/dialogs/ProfileSelectDialog.cpp
@@ -70,7 +70,7 @@ ProfileSelectDialog::ProfileSelectDialog(const QString& message, int flags, QWid
     // Select the first entry in the list.
     ui->listView->setCurrentIndex(ui->listView->model()->index(0, 0));
 
-    connect(ui->listView, SIGNAL(doubleClicked(QModelIndex)), SLOT(on_buttonBox_accepted()));
+    connect(ui->listView, &QAbstractItemView::doubleClicked, this, &ProfileSelectDialog::on_buttonBox_accepted);
 
     ui->buttonBox->button(QDialogButtonBox::Cancel)->setText(tr("Cancel"));
     ui->buttonBox->button(QDialogButtonBox::Ok)->setText(tr("OK"));
diff --git a/launcher/ui/dialogs/skins/SkinManageDialog.cpp b/launcher/ui/dialogs/skins/SkinManageDialog.cpp
index 8e661d37c..e7c06d048 100644
--- a/launcher/ui/dialogs/skins/SkinManageDialog.cpp
+++ b/launcher/ui/dialogs/skins/SkinManageDialog.cpp
@@ -87,10 +87,9 @@ SkinManageDialog::SkinManageDialog(QWidget* parent, MinecraftAccountPtr acct)
     contentsWidget->installEventFilter(this);
     contentsWidget->setModel(&m_list);
 
-    connect(contentsWidget, SIGNAL(doubleClicked(QModelIndex)), SLOT(activated(QModelIndex)));
+    connect(contentsWidget, &QAbstractItemView::doubleClicked, this, &SkinManageDialog::activated);
 
-    connect(contentsWidget->selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
-            SLOT(selectionChanged(QItemSelection, QItemSelection)));
+    connect(contentsWidget->selectionModel(), &QItemSelectionModel::selectionChanged, this, &SkinManageDialog::selectionChanged);
     connect(m_ui->listView, &QListView::customContextMenuRequested, this, &SkinManageDialog::show_context_menu);
     connect(m_ui->elytraCB, &QCheckBox::stateChanged, this, [this]() {
         m_skinPreview->setElytraVisible(m_ui->elytraCB->isChecked());
diff --git a/launcher/ui/pages/global/ProxyPage.cpp b/launcher/ui/pages/global/ProxyPage.cpp
index 979f07c6a..0629cc648 100644
--- a/launcher/ui/pages/global/ProxyPage.cpp
+++ b/launcher/ui/pages/global/ProxyPage.cpp
@@ -49,7 +49,7 @@ ProxyPage::ProxyPage(QWidget* parent) : QWidget(parent), ui(new Ui::ProxyPage)
     loadSettings();
     updateCheckboxStuff();
 
-    connect(ui->proxyGroup, QOverload<QAbstractButton*>::of(&QButtonGroup::buttonClicked), this, &ProxyPage::proxyGroupChanged);
+    connect(ui->proxyGroup, &QButtonGroup::buttonClicked, this, &ProxyPage::proxyGroupChanged);
 }
 
 ProxyPage::~ProxyPage()
diff --git a/launcher/ui/pages/instance/LogPage.cpp b/launcher/ui/pages/instance/LogPage.cpp
index 7897a2932..9a7ce6039 100644
--- a/launcher/ui/pages/instance/LogPage.cpp
+++ b/launcher/ui/pages/instance/LogPage.cpp
@@ -158,12 +158,12 @@ LogPage::LogPage(InstancePtr instance, QWidget* parent) : QWidget(parent), ui(ne
     }
 
     auto findShortcut = new QShortcut(QKeySequence(QKeySequence::Find), this);
-    connect(findShortcut, SIGNAL(activated()), SLOT(findActivated()));
+    connect(findShortcut, &QShortcut::activated, this, &LogPage::findActivated);
     auto findNextShortcut = new QShortcut(QKeySequence(QKeySequence::FindNext), this);
-    connect(findNextShortcut, SIGNAL(activated()), SLOT(findNextActivated()));
-    connect(ui->searchBar, SIGNAL(returnPressed()), SLOT(on_findButton_clicked()));
+    connect(findNextShortcut, &QShortcut::activated, this, &LogPage::findNextActivated);
+    connect(ui->searchBar, &QLineEdit::returnPressed, this, &LogPage::on_findButton_clicked);
     auto findPreviousShortcut = new QShortcut(QKeySequence(QKeySequence::FindPrevious), this);
-    connect(findPreviousShortcut, SIGNAL(activated()), SLOT(findPreviousActivated()));
+    connect(findPreviousShortcut, &QShortcut::activated, this, &LogPage::findPreviousActivated);
 }
 
 LogPage::~LogPage()
diff --git a/launcher/ui/pages/instance/ManagedPackPage.cpp b/launcher/ui/pages/instance/ManagedPackPage.cpp
index 1738c9cde..3230268c4 100644
--- a/launcher/ui/pages/instance/ManagedPackPage.cpp
+++ b/launcher/ui/pages/instance/ManagedPackPage.cpp
@@ -239,7 +239,7 @@ ModrinthManagedPackPage::ModrinthManagedPackPage(BaseInstance* inst, InstanceWin
     : ManagedPackPage(inst, instance_window, parent)
 {
     Q_ASSERT(inst->isManagedPack());
-    connect(ui->versionsComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(suggestVersion()));
+    connect(ui->versionsComboBox, &QComboBox::currentIndexChanged, this, &ModrinthManagedPackPage::suggestVersion);
     connect(ui->updateButton, &QPushButton::clicked, this, &ModrinthManagedPackPage::update);
     connect(ui->updateFromFileButton, &QPushButton::clicked, this, &ModrinthManagedPackPage::updateFromFile);
 }
@@ -264,7 +264,7 @@ void ModrinthManagedPackPage::parseManagedPack()
     m_fetch_job->addNetAction(
         Net::ApiDownload::makeByteArray(QString("%1/project/%2/version").arg(BuildConfig.MODRINTH_PROD_URL, id), response));
 
-    QObject::connect(m_fetch_job.get(), &NetJob::succeeded, this, [this, response, id] {
+    connect(m_fetch_job.get(), &NetJob::succeeded, this, [this, response, id] {
         QJsonParseError parse_error{};
         QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
         if (parse_error.error != QJsonParseError::NoError) {
@@ -310,8 +310,8 @@ void ModrinthManagedPackPage::parseManagedPack()
 
         m_loaded = true;
     });
-    QObject::connect(m_fetch_job.get(), &NetJob::failed, this, &ModrinthManagedPackPage::setFailState);
-    QObject::connect(m_fetch_job.get(), &NetJob::aborted, this, &ModrinthManagedPackPage::setFailState);
+    connect(m_fetch_job.get(), &NetJob::failed, this, &ModrinthManagedPackPage::setFailState);
+    connect(m_fetch_job.get(), &NetJob::aborted, this, &ModrinthManagedPackPage::setFailState);
 
     ui->changelogTextBrowser->setText(tr("Fetching changelogs..."));
 
@@ -418,7 +418,7 @@ FlameManagedPackPage::FlameManagedPackPage(BaseInstance* inst, InstanceWindow* i
     : ManagedPackPage(inst, instance_window, parent)
 {
     Q_ASSERT(inst->isManagedPack());
-    connect(ui->versionsComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(suggestVersion()));
+    connect(ui->versionsComboBox, &QComboBox::currentIndexChanged, this, &FlameManagedPackPage::suggestVersion);
     connect(ui->updateButton, &QPushButton::clicked, this, &FlameManagedPackPage::update);
     connect(ui->updateFromFileButton, &QPushButton::clicked, this, &FlameManagedPackPage::updateFromFile);
 }
@@ -459,7 +459,7 @@ void FlameManagedPackPage::parseManagedPack()
 
     m_fetch_job->addNetAction(Net::ApiDownload::makeByteArray(QString("%1/mods/%2/files").arg(BuildConfig.FLAME_BASE_URL, id), response));
 
-    QObject::connect(m_fetch_job.get(), &NetJob::succeeded, this, [this, response, id] {
+    connect(m_fetch_job.get(), &NetJob::succeeded, this, [this, response, id] {
         QJsonParseError parse_error{};
         QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
         if (parse_error.error != QJsonParseError::NoError) {
@@ -502,8 +502,8 @@ void FlameManagedPackPage::parseManagedPack()
 
         m_loaded = true;
     });
-    QObject::connect(m_fetch_job.get(), &NetJob::failed, this, &FlameManagedPackPage::setFailState);
-    QObject::connect(m_fetch_job.get(), &NetJob::aborted, this, &FlameManagedPackPage::setFailState);
+    connect(m_fetch_job.get(), &NetJob::failed, this, &FlameManagedPackPage::setFailState);
+    connect(m_fetch_job.get(), &NetJob::aborted, this, &FlameManagedPackPage::setFailState);
 
     m_fetch_job->start();
 }
diff --git a/launcher/ui/pages/instance/ScreenshotsPage.cpp b/launcher/ui/pages/instance/ScreenshotsPage.cpp
index c9a1b406a..082b44308 100644
--- a/launcher/ui/pages/instance/ScreenshotsPage.cpp
+++ b/launcher/ui/pages/instance/ScreenshotsPage.cpp
@@ -135,7 +135,7 @@ class FilterModel : public QIdentityProxyModel {
         m_thumbnailingPool.setMaxThreadCount(4);
         m_thumbnailCache = std::make_shared<SharedIconCache>();
         m_thumbnailCache->add("placeholder", APPLICATION->getThemedIcon("screenshot-placeholder"));
-        connect(&watcher, SIGNAL(fileChanged(QString)), SLOT(fileChanged(QString)));
+        connect(&watcher, &QFileSystemWatcher::fileChanged, this, &FilterModel::fileChanged);
     }
     virtual ~FilterModel()
     {
@@ -191,9 +191,9 @@ class FilterModel : public QIdentityProxyModel {
     void thumbnailImage(QString path)
     {
         auto runnable = new ThumbnailRunnable(path, m_thumbnailCache);
-        connect(&(runnable->m_resultEmitter), SIGNAL(resultsReady(QString)), SLOT(thumbnailReady(QString)));
-        connect(&(runnable->m_resultEmitter), SIGNAL(resultsFailed(QString)), SLOT(thumbnailFailed(QString)));
-        ((QThreadPool&)m_thumbnailingPool).start(runnable);
+        connect(&runnable->m_resultEmitter, &ThumbnailingResult::resultsReady, this, &FilterModel::thumbnailReady);
+        connect(&runnable->m_resultEmitter, &ThumbnailingResult::resultsFailed, this, &FilterModel::thumbnailFailed);
+        m_thumbnailingPool.start(runnable);
     }
    private slots:
     void thumbnailReady(QString path) { emit layoutChanged(); }
@@ -266,7 +266,7 @@ ScreenshotsPage::ScreenshotsPage(QString path, QWidget* parent) : QMainWindow(pa
     ui->listView->setItemDelegate(new CenteredEditingDelegate(this));
     ui->listView->setContextMenuPolicy(Qt::CustomContextMenu);
     connect(ui->listView, &QListView::customContextMenuRequested, this, &ScreenshotsPage::ShowContextMenu);
-    connect(ui->listView, SIGNAL(activated(QModelIndex)), SLOT(onItemActivated(QModelIndex)));
+    connect(ui->listView, &QAbstractItemView::activated, this, &ScreenshotsPage::onItemActivated);
 }
 
 bool ScreenshotsPage::eventFilter(QObject* obj, QEvent* evt)
diff --git a/launcher/ui/pages/instance/ServerPingTask.cpp b/launcher/ui/pages/instance/ServerPingTask.cpp
index 4a9215ce5..cd2ff31d8 100644
--- a/launcher/ui/pages/instance/ServerPingTask.cpp
+++ b/launcher/ui/pages/instance/ServerPingTask.cpp
@@ -16,26 +16,26 @@ void ServerPingTask::executeTask()
 
     // Resolve the actual IP and port for the server
     McResolver* resolver = new McResolver(nullptr, m_domain, m_port);
-    QObject::connect(resolver, &McResolver::succeeded, this, [this](QString ip, int port) {
+    connect(resolver, &McResolver::succeeded, this, [this](QString ip, int port) {
         qDebug() << "Resolved Address for" << m_domain << ": " << ip << ":" << port;
 
         // Now that we have the IP and port, query the server
         McClient* client = new McClient(nullptr, m_domain, ip, port);
 
-        QObject::connect(client, &McClient::succeeded, this, [this](QJsonObject data) {
+        connect(client, &McClient::succeeded, this, [this](QJsonObject data) {
             m_outputOnlinePlayers = getOnlinePlayers(data);
             qDebug() << "Online players: " << m_outputOnlinePlayers;
             emitSucceeded();
         });
-        QObject::connect(client, &McClient::failed, this, [this](QString error) { emitFailed(error); });
+        connect(client, &McClient::failed, this, [this](QString error) { emitFailed(error); });
 
         // Delete McClient object when done
-        QObject::connect(client, &McClient::finished, this, [client]() { client->deleteLater(); });
+        connect(client, &McClient::finished, this, [client]() { client->deleteLater(); });
         client->getStatusData();
     });
-    QObject::connect(resolver, &McResolver::failed, this, [this](QString error) { emitFailed(error); });
+    connect(resolver, &McResolver::failed, this, [this](QString error) { emitFailed(error); });
 
     // Delete McResolver object when done
-    QObject::connect(resolver, &McResolver::finished, [resolver]() { resolver->deleteLater(); });
+    connect(resolver, &McResolver::finished, [resolver]() { resolver->deleteLater(); });
     resolver->ping();
 }
\ No newline at end of file
diff --git a/launcher/ui/pages/instance/ServersPage.cpp b/launcher/ui/pages/instance/ServersPage.cpp
index 2f12c3523..d1f39bb88 100644
--- a/launcher/ui/pages/instance/ServersPage.cpp
+++ b/launcher/ui/pages/instance/ServersPage.cpp
@@ -578,7 +578,7 @@ ServersPage::ServersPage(InstancePtr inst, QWidget* parent) : QMainWindow(parent
     connect(m_inst.get(), &MinecraftInstance::runningStatusChanged, this, &ServersPage::runningStateChanged);
     connect(ui->nameLine, &QLineEdit::textEdited, this, &ServersPage::nameEdited);
     connect(ui->addressLine, &QLineEdit::textEdited, this, &ServersPage::addressEdited);
-    connect(ui->resourceComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(resourceIndexChanged(int)));
+    connect(ui->resourceComboBox, &QComboBox::currentIndexChanged, this, &ServersPage::resourceIndexChanged);
     connect(m_model, &QAbstractItemModel::rowsRemoved, this, &ServersPage::rowsRemoved);
 
     m_locked = m_inst->isRunning();
diff --git a/launcher/ui/pages/modplatform/ResourcePage.cpp b/launcher/ui/pages/modplatform/ResourcePage.cpp
index ea8e8d5e9..061e96491 100644
--- a/launcher/ui/pages/modplatform/ResourcePage.cpp
+++ b/launcher/ui/pages/modplatform/ResourcePage.cpp
@@ -85,7 +85,7 @@ ResourcePage::ResourcePage(ResourceDownloadDialog* parent, BaseInstance& base_in
 
     connect(m_ui->packDescription, &QTextBrowser::anchorClicked, this, &ResourcePage::openUrl);
 
-    connect(m_ui->packView, &QListView::doubleClicked, this, &ResourcePage::onResourceToggle);
+    connect(m_ui->packView, &QAbstractItemView::doubleClicked, this, &ResourcePage::onResourceToggle);
     connect(delegate, &ProjectItemDelegate::checkboxClicked, this, &ResourcePage::onResourceToggle);
 }
 
@@ -554,7 +554,7 @@ void ResourcePage::openProject(QVariant projectID)
     connect(cancelBtn, &QPushButton::clicked, m_parentDialog, &ResourceDownloadDialog::reject);
     m_ui->gridLayout_4->addWidget(buttonBox, 1, 2);
 
-    connect(m_ui->versionSelectionBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
+    connect(m_ui->versionSelectionBox, &QComboBox::currentIndexChanged, this,
             [this, okBtn](int index) { okBtn->setEnabled(m_ui->versionSelectionBox->itemData(index).toInt() >= 0); });
 
     auto jump = [this] {
diff --git a/launcher/ui/pages/modplatform/atlauncher/AtlListModel.cpp b/launcher/ui/pages/modplatform/atlauncher/AtlListModel.cpp
index e381f2a16..9e2e7a2ca 100644
--- a/launcher/ui/pages/modplatform/atlauncher/AtlListModel.cpp
+++ b/launcher/ui/pages/modplatform/atlauncher/AtlListModel.cpp
@@ -103,8 +103,8 @@ void ListModel::request()
     jobPtr = netJob;
     jobPtr->start();
 
-    QObject::connect(netJob.get(), &NetJob::succeeded, this, &ListModel::requestFinished);
-    QObject::connect(netJob.get(), &NetJob::failed, this, &ListModel::requestFailed);
+    connect(netJob.get(), &NetJob::succeeded, this, &ListModel::requestFinished);
+    connect(netJob.get(), &NetJob::failed, this, &ListModel::requestFailed);
 }
 
 void ListModel::requestFinished()
@@ -197,7 +197,7 @@ void ListModel::requestLogo(QString file, QString url)
     job->addNetAction(Net::ApiDownload::makeCached(QUrl(url), entry));
 
     auto fullPath = entry->getFullPath();
-    QObject::connect(job, &NetJob::succeeded, this, [this, file, fullPath, job] {
+    connect(job, &NetJob::succeeded, this, [this, file, fullPath, job] {
         job->deleteLater();
         emit logoLoaded(file, QIcon(fullPath));
         if (waitingCallbacks.contains(file)) {
@@ -205,7 +205,7 @@ void ListModel::requestLogo(QString file, QString url)
         }
     });
 
-    QObject::connect(job, &NetJob::failed, this, [this, file, job] {
+    connect(job, &NetJob::failed, this, [this, file, job] {
         job->deleteLater();
         emit logoFailed(file);
     });
diff --git a/launcher/ui/pages/modplatform/flame/FlameModel.cpp b/launcher/ui/pages/modplatform/flame/FlameModel.cpp
index d501bf9f4..20005a8b2 100644
--- a/launcher/ui/pages/modplatform/flame/FlameModel.cpp
+++ b/launcher/ui/pages/modplatform/flame/FlameModel.cpp
@@ -113,7 +113,7 @@ void ListModel::requestLogo(QString logo, QString url)
     job->addNetAction(Net::ApiDownload::makeCached(QUrl(url), entry));
 
     auto fullPath = entry->getFullPath();
-    QObject::connect(job, &NetJob::succeeded, this, [this, logo, fullPath, job] {
+    connect(job, &NetJob::succeeded, this, [this, logo, fullPath, job] {
         job->deleteLater();
         emit logoLoaded(logo, QIcon(fullPath));
         if (waitingCallbacks.contains(logo)) {
@@ -121,7 +121,7 @@ void ListModel::requestLogo(QString logo, QString url)
         }
     });
 
-    QObject::connect(job, &NetJob::failed, this, [this, logo, job] {
+    connect(job, &NetJob::failed, this, [this, logo, job] {
         job->deleteLater();
         emit logoFailed(logo);
     });
@@ -192,8 +192,8 @@ void ListModel::performPaginatedSearch()
     netJob->addNetAction(Net::ApiDownload::makeByteArray(QUrl(searchUrl.value()), response));
     jobPtr = netJob;
     jobPtr->start();
-    QObject::connect(netJob.get(), &NetJob::succeeded, this, &ListModel::searchRequestFinished);
-    QObject::connect(netJob.get(), &NetJob::failed, this, &ListModel::searchRequestFailed);
+    connect(netJob.get(), &NetJob::succeeded, this, &ListModel::searchRequestFinished);
+    connect(netJob.get(), &NetJob::failed, this, &ListModel::searchRequestFailed);
 }
 
 void ListModel::searchWithTerm(const QString& term, int sort, std::shared_ptr<ModFilterWidget::Filter> filter, bool filterChanged)
diff --git a/launcher/ui/pages/modplatform/flame/FlamePage.cpp b/launcher/ui/pages/modplatform/flame/FlamePage.cpp
index bb91e5a64..b60e5800b 100644
--- a/launcher/ui/pages/modplatform/flame/FlamePage.cpp
+++ b/launcher/ui/pages/modplatform/flame/FlamePage.cpp
@@ -86,9 +86,9 @@ FlamePage::FlamePage(NewInstanceDialog* dialog, QWidget* parent)
     ui->sortByBox->addItem(tr("Sort by Author"));
     ui->sortByBox->addItem(tr("Sort by Total Downloads"));
 
-    connect(ui->sortByBox, SIGNAL(currentIndexChanged(int)), this, SLOT(triggerSearch()));
+    connect(ui->sortByBox, &QComboBox::currentIndexChanged, this, &FlamePage::triggerSearch);
     connect(ui->packView->selectionModel(), &QItemSelectionModel::currentChanged, this, &FlamePage::onSelectionChanged);
-    connect(ui->versionSelectionBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &FlamePage::onVersionSelectionChanged);
+    connect(ui->versionSelectionBox, &QComboBox::currentIndexChanged, this, &FlamePage::onVersionSelectionChanged);
 
     ui->packView->setItemDelegate(new ProjectItemDelegate(this));
     ui->packDescription->setMetaEntry("FlamePacks");
@@ -176,7 +176,7 @@ void FlamePage::onSelectionChanged(QModelIndex curr, [[maybe_unused]] QModelInde
         netJob->addNetAction(
             Net::ApiDownload::makeByteArray(QString("https://api.curseforge.com/v1/mods/%1/files").arg(addonId), response));
 
-        QObject::connect(netJob, &NetJob::succeeded, this, [this, response, addonId, curr] {
+        connect(netJob, &NetJob::succeeded, this, [this, response, addonId, curr] {
             if (addonId != current.addonId) {
                 return;  // wrong request
             }
@@ -227,7 +227,7 @@ void FlamePage::onSelectionChanged(QModelIndex curr, [[maybe_unused]] QModelInde
             }
             suggestCurrent();
         });
-        QObject::connect(netJob, &NetJob::finished, this, [response, netJob] { netJob->deleteLater(); });
+        connect(netJob, &NetJob::finished, this, [response, netJob] { netJob->deleteLater(); });
         connect(netJob, &NetJob::failed,
                 [this](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });
         netJob->start();
@@ -354,7 +354,7 @@ void FlamePage::createFilterWidget()
     connect(m_filterWidget.get(), &ModFilterWidget::filterChanged, this, &FlamePage::triggerSearch);
     auto response = std::make_shared<QByteArray>();
     m_categoriesTask = FlameAPI::getCategories(response, ModPlatform::ResourceType::MODPACK);
-    QObject::connect(m_categoriesTask.get(), &Task::succeeded, [this, response]() {
+    connect(m_categoriesTask.get(), &Task::succeeded, [this, response]() {
         auto categories = FlameAPI::loadModCategories(response);
         m_filterWidget->setCategories(categories);
     });
diff --git a/launcher/ui/pages/modplatform/flame/FlameResourcePages.cpp b/launcher/ui/pages/modplatform/flame/FlameResourcePages.cpp
index 32175a356..bf421c036 100644
--- a/launcher/ui/pages/modplatform/flame/FlameResourcePages.cpp
+++ b/launcher/ui/pages/modplatform/flame/FlameResourcePages.cpp
@@ -58,9 +58,9 @@ FlameModPage::FlameModPage(ModDownloadDialog* dialog, BaseInstance& instance) :
 
     // sometimes Qt just ignores virtual slots and doesn't work as intended it seems,
     // so it's best not to connect them in the parent's contructor...
-    connect(m_ui->sortByBox, SIGNAL(currentIndexChanged(int)), this, SLOT(triggerSearch()));
+    connect(m_ui->sortByBox, &QComboBox::currentIndexChanged, this, &FlameModPage::triggerSearch);
     connect(m_ui->packView->selectionModel(), &QItemSelectionModel::currentChanged, this, &FlameModPage::onSelectionChanged);
-    connect(m_ui->versionSelectionBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &FlameModPage::onVersionSelectionChanged);
+    connect(m_ui->versionSelectionBox, &QComboBox::currentIndexChanged, this, &FlameModPage::onVersionSelectionChanged);
     connect(m_ui->resourceSelectionButton, &QPushButton::clicked, this, &FlameModPage::onResourceSelected);
 
     m_ui->packDescription->setMetaEntry(metaEntryBase());
@@ -92,10 +92,9 @@ FlameResourcePackPage::FlameResourcePackPage(ResourcePackDownloadDialog* dialog,
 
     // sometimes Qt just ignores virtual slots and doesn't work as intended it seems,
     // so it's best not to connect them in the parent's contructor...
-    connect(m_ui->sortByBox, SIGNAL(currentIndexChanged(int)), this, SLOT(triggerSearch()));
+    connect(m_ui->sortByBox, &QComboBox::currentIndexChanged, this, &FlameResourcePackPage::triggerSearch);
     connect(m_ui->packView->selectionModel(), &QItemSelectionModel::currentChanged, this, &FlameResourcePackPage::onSelectionChanged);
-    connect(m_ui->versionSelectionBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            &FlameResourcePackPage::onVersionSelectionChanged);
+    connect(m_ui->versionSelectionBox, &QComboBox::currentIndexChanged, this, &FlameResourcePackPage::onVersionSelectionChanged);
     connect(m_ui->resourceSelectionButton, &QPushButton::clicked, this, &FlameResourcePackPage::onResourceSelected);
 
     m_ui->packDescription->setMetaEntry(metaEntryBase());
@@ -127,10 +126,9 @@ FlameTexturePackPage::FlameTexturePackPage(TexturePackDownloadDialog* dialog, Ba
 
     // sometimes Qt just ignores virtual slots and doesn't work as intended it seems,
     // so it's best not to connect them in the parent's contructor...
-    connect(m_ui->sortByBox, SIGNAL(currentIndexChanged(int)), this, SLOT(triggerSearch()));
+    connect(m_ui->sortByBox, &QComboBox::currentIndexChanged, this, &FlameTexturePackPage::triggerSearch);
     connect(m_ui->packView->selectionModel(), &QItemSelectionModel::currentChanged, this, &FlameTexturePackPage::onSelectionChanged);
-    connect(m_ui->versionSelectionBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            &FlameTexturePackPage::onVersionSelectionChanged);
+    connect(m_ui->versionSelectionBox, &QComboBox::currentIndexChanged, this, &FlameTexturePackPage::onVersionSelectionChanged);
     connect(m_ui->resourceSelectionButton, &QPushButton::clicked, this, &FlameTexturePackPage::onResourceSelected);
 
     m_ui->packDescription->setMetaEntry(metaEntryBase());
@@ -178,10 +176,9 @@ FlameShaderPackPage::FlameShaderPackPage(ShaderPackDownloadDialog* dialog, BaseI
 
     // sometimes Qt just ignores virtual slots and doesn't work as intended it seems,
     // so it's best not to connect them in the parent's constructor...
-    connect(m_ui->sortByBox, SIGNAL(currentIndexChanged(int)), this, SLOT(triggerSearch()));
+    connect(m_ui->sortByBox, &QComboBox::currentIndexChanged, this, &FlameShaderPackPage::triggerSearch);
     connect(m_ui->packView->selectionModel(), &QItemSelectionModel::currentChanged, this, &FlameShaderPackPage::onSelectionChanged);
-    connect(m_ui->versionSelectionBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            &FlameShaderPackPage::onVersionSelectionChanged);
+    connect(m_ui->versionSelectionBox, &QComboBox::currentIndexChanged, this, &FlameShaderPackPage::onVersionSelectionChanged);
     connect(m_ui->resourceSelectionButton, &QPushButton::clicked, this, &FlameShaderPackPage::onResourceSelected);
 
     m_ui->packDescription->setMetaEntry(metaEntryBase());
@@ -197,10 +194,9 @@ FlameDataPackPage::FlameDataPackPage(DataPackDownloadDialog* dialog, BaseInstanc
 
     // sometimes Qt just ignores virtual slots and doesn't work as intended it seems,
     // so it's best not to connect them in the parent's constructor...
-    connect(m_ui->sortByBox, SIGNAL(currentIndexChanged(int)), this, SLOT(triggerSearch()));
+    connect(m_ui->sortByBox, &QComboBox::currentIndexChanged, this, &FlameDataPackPage::triggerSearch);
     connect(m_ui->packView->selectionModel(), &QItemSelectionModel::currentChanged, this, &FlameDataPackPage::onSelectionChanged);
-    connect(m_ui->versionSelectionBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            &FlameDataPackPage::onVersionSelectionChanged);
+    connect(m_ui->versionSelectionBox, &QComboBox::currentIndexChanged, this, &FlameDataPackPage::onVersionSelectionChanged);
     connect(m_ui->resourceSelectionButton, &QPushButton::clicked, this, &FlameDataPackPage::onResourceSelected);
 
     m_ui->packDescription->setMetaEntry(metaEntryBase());
@@ -255,7 +251,7 @@ void FlameModPage::prepareProviderCategories()
 {
     auto response = std::make_shared<QByteArray>();
     m_categoriesTask = FlameAPI::getModCategories(response);
-    QObject::connect(m_categoriesTask.get(), &Task::succeeded, [this, response]() {
+    connect(m_categoriesTask.get(), &Task::succeeded, [this, response]() {
         auto categories = FlameAPI::loadModCategories(response);
         m_filter_widget->setCategories(categories);
     });
diff --git a/launcher/ui/pages/modplatform/legacy_ftb/ListModel.cpp b/launcher/ui/pages/modplatform/legacy_ftb/ListModel.cpp
index b68fcd34a..9c5041126 100644
--- a/launcher/ui/pages/modplatform/legacy_ftb/ListModel.cpp
+++ b/launcher/ui/pages/modplatform/legacy_ftb/ListModel.cpp
@@ -266,7 +266,7 @@ void ListModel::requestLogo(QString file)
     job->addNetAction(Net::ApiDownload::makeCached(QUrl(QString(BuildConfig.LEGACY_FTB_CDN_BASE_URL + "static/%1").arg(file)), entry));
 
     auto fullPath = entry->getFullPath();
-    QObject::connect(job, &NetJob::finished, this, [this, file, fullPath, job] {
+    connect(job, &NetJob::finished, this, [this, file, fullPath, job] {
         job->deleteLater();
         emit logoLoaded(file, QIcon(fullPath));
         if (waitingCallbacks.contains(file)) {
@@ -274,7 +274,7 @@ void ListModel::requestLogo(QString file)
         }
     });
 
-    QObject::connect(job, &NetJob::failed, this, [this, file, job] {
+    connect(job, &NetJob::failed, this, [this, file, job] {
         job->deleteLater();
         emit logoFailed(file);
     });
diff --git a/launcher/ui/pages/modplatform/modrinth/ModrinthModel.cpp b/launcher/ui/pages/modplatform/modrinth/ModrinthModel.cpp
index 4681b1a7f..717dd359f 100644
--- a/launcher/ui/pages/modplatform/modrinth/ModrinthModel.cpp
+++ b/launcher/ui/pages/modplatform/modrinth/ModrinthModel.cpp
@@ -158,7 +158,7 @@ void ModpackListModel::performPaginatedSearch()
     auto netJob = makeShared<NetJob>("Modrinth::SearchModpack", APPLICATION->network());
     netJob->addNetAction(Net::ApiDownload::makeByteArray(QUrl(searchUrl.value()), m_allResponse));
 
-    QObject::connect(netJob.get(), &NetJob::succeeded, this, [this] {
+    connect(netJob.get(), &NetJob::succeeded, this, [this] {
         QJsonParseError parseError{};
 
         QJsonDocument doc = QJsonDocument::fromJson(*m_allResponse, &parseError);
@@ -171,7 +171,7 @@ void ModpackListModel::performPaginatedSearch()
 
         searchRequestFinished(doc);
     });
-    QObject::connect(netJob.get(), &NetJob::failed, this, &ModpackListModel::searchRequestFailed);
+    connect(netJob.get(), &NetJob::failed, this, &ModpackListModel::searchRequestFailed);
 
     jobPtr = netJob;
     jobPtr->start();
@@ -253,7 +253,7 @@ void ModpackListModel::requestLogo(QString logo, QString url)
     job->addNetAction(Net::ApiDownload::makeCached(QUrl(url), entry));
 
     auto fullPath = entry->getFullPath();
-    QObject::connect(job, &NetJob::succeeded, this, [this, logo, fullPath, job] {
+    connect(job, &NetJob::succeeded, this, [this, logo, fullPath, job] {
         job->deleteLater();
         emit logoLoaded(logo, QIcon(fullPath));
         if (waitingCallbacks.contains(logo)) {
@@ -261,7 +261,7 @@ void ModpackListModel::requestLogo(QString logo, QString url)
         }
     });
 
-    QObject::connect(job, &NetJob::failed, this, [this, logo, job] {
+    connect(job, &NetJob::failed, this, [this, logo, job] {
         job->deleteLater();
         emit logoFailed(logo);
     });
diff --git a/launcher/ui/pages/modplatform/modrinth/ModrinthPage.cpp b/launcher/ui/pages/modplatform/modrinth/ModrinthPage.cpp
index 701bb9f72..1b5b8d4de 100644
--- a/launcher/ui/pages/modplatform/modrinth/ModrinthPage.cpp
+++ b/launcher/ui/pages/modplatform/modrinth/ModrinthPage.cpp
@@ -86,9 +86,9 @@ ModrinthPage::ModrinthPage(NewInstanceDialog* dialog, QWidget* parent)
     ui->sortByBox->addItem(tr("Sort by Newest"));
     ui->sortByBox->addItem(tr("Sort by Last Updated"));
 
-    connect(ui->sortByBox, SIGNAL(currentIndexChanged(int)), this, SLOT(triggerSearch()));
+    connect(ui->sortByBox, &QComboBox::currentIndexChanged, this, &ModrinthPage::triggerSearch);
     connect(ui->packView->selectionModel(), &QItemSelectionModel::currentChanged, this, &ModrinthPage::onSelectionChanged);
-    connect(ui->versionSelectionBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &ModrinthPage::onVersionSelectionChanged);
+    connect(ui->versionSelectionBox, &QComboBox::currentIndexChanged, this, &ModrinthPage::onVersionSelectionChanged);
 
     ui->packView->setItemDelegate(new ProjectItemDelegate(this));
     ui->packDescription->setMetaEntry(metaEntryBase());
@@ -163,7 +163,7 @@ void ModrinthPage::onSelectionChanged(QModelIndex curr, [[maybe_unused]] QModelI
 
         netJob->addNetAction(Net::ApiDownload::makeByteArray(QString("%1/project/%2").arg(BuildConfig.MODRINTH_PROD_URL, id), response));
 
-        QObject::connect(netJob, &NetJob::succeeded, this, [this, response, id, curr] {
+        connect(netJob, &NetJob::succeeded, this, [this, response, id, curr] {
             if (id != current.id) {
                 return;  // wrong request?
             }
@@ -196,7 +196,7 @@ void ModrinthPage::onSelectionChanged(QModelIndex curr, [[maybe_unused]] QModelI
 
             suggestCurrent();
         });
-        QObject::connect(netJob, &NetJob::finished, this, [response, netJob] { netJob->deleteLater(); });
+        connect(netJob, &NetJob::finished, this, [response, netJob] { netJob->deleteLater(); });
         connect(netJob, &NetJob::failed,
                 [this](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });
         netJob->start();
@@ -214,7 +214,7 @@ void ModrinthPage::onSelectionChanged(QModelIndex curr, [[maybe_unused]] QModelI
         netJob->addNetAction(
             Net::ApiDownload::makeByteArray(QString("%1/project/%2/version").arg(BuildConfig.MODRINTH_PROD_URL, id), response));
 
-        QObject::connect(netJob, &NetJob::succeeded, this, [this, response, id, curr] {
+        connect(netJob, &NetJob::succeeded, this, [this, response, id, curr] {
             if (id != current.id) {
                 return;  // wrong request?
             }
@@ -262,7 +262,7 @@ void ModrinthPage::onSelectionChanged(QModelIndex curr, [[maybe_unused]] QModelI
 
             suggestCurrent();
         });
-        QObject::connect(netJob, &NetJob::finished, this, [response, netJob] { netJob->deleteLater(); });
+        connect(netJob, &NetJob::finished, this, [response, netJob] { netJob->deleteLater(); });
         connect(netJob, &NetJob::failed,
                 [this](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });
         netJob->start();
@@ -404,7 +404,7 @@ void ModrinthPage::createFilterWidget()
     connect(m_filterWidget.get(), &ModFilterWidget::filterChanged, this, &ModrinthPage::triggerSearch);
     auto response = std::make_shared<QByteArray>();
     m_categoriesTask = ModrinthAPI::getModCategories(response);
-    QObject::connect(m_categoriesTask.get(), &Task::succeeded, [this, response]() {
+    connect(m_categoriesTask.get(), &Task::succeeded, [this, response]() {
         auto categories = ModrinthAPI::loadCategories(response, "modpack");
         m_filterWidget->setCategories(categories);
     });
diff --git a/launcher/ui/pages/modplatform/modrinth/ModrinthResourcePages.cpp b/launcher/ui/pages/modplatform/modrinth/ModrinthResourcePages.cpp
index f75323a28..aca71cde5 100644
--- a/launcher/ui/pages/modplatform/modrinth/ModrinthResourcePages.cpp
+++ b/launcher/ui/pages/modplatform/modrinth/ModrinthResourcePages.cpp
@@ -56,10 +56,9 @@ ModrinthModPage::ModrinthModPage(ModDownloadDialog* dialog, BaseInstance& instan
 
     // sometimes Qt just ignores virtual slots and doesn't work as intended it seems,
     // so it's best not to connect them in the parent's constructor...
-    connect(m_ui->sortByBox, SIGNAL(currentIndexChanged(int)), this, SLOT(triggerSearch()));
+    connect(m_ui->sortByBox, &QComboBox::currentIndexChanged, this, &ModrinthModPage::triggerSearch);
     connect(m_ui->packView->selectionModel(), &QItemSelectionModel::currentChanged, this, &ModrinthModPage::onSelectionChanged);
-    connect(m_ui->versionSelectionBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            &ModrinthModPage::onVersionSelectionChanged);
+    connect(m_ui->versionSelectionBox, &QComboBox::currentIndexChanged, this, &ModrinthModPage::onVersionSelectionChanged);
     connect(m_ui->resourceSelectionButton, &QPushButton::clicked, this, &ModrinthModPage::onResourceSelected);
 
     m_ui->packDescription->setMetaEntry(metaEntryBase());
@@ -75,10 +74,9 @@ ModrinthResourcePackPage::ModrinthResourcePackPage(ResourcePackDownloadDialog* d
 
     // sometimes Qt just ignores virtual slots and doesn't work as intended it seems,
     // so it's best not to connect them in the parent's constructor...
-    connect(m_ui->sortByBox, SIGNAL(currentIndexChanged(int)), this, SLOT(triggerSearch()));
+    connect(m_ui->sortByBox, &QComboBox::currentIndexChanged, this, &ModrinthResourcePackPage::triggerSearch);
     connect(m_ui->packView->selectionModel(), &QItemSelectionModel::currentChanged, this, &ModrinthResourcePackPage::onSelectionChanged);
-    connect(m_ui->versionSelectionBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            &ModrinthResourcePackPage::onVersionSelectionChanged);
+    connect(m_ui->versionSelectionBox, &QComboBox::currentIndexChanged, this, &ModrinthResourcePackPage::onVersionSelectionChanged);
     connect(m_ui->resourceSelectionButton, &QPushButton::clicked, this, &ModrinthResourcePackPage::onResourceSelected);
 
     m_ui->packDescription->setMetaEntry(metaEntryBase());
@@ -94,10 +92,9 @@ ModrinthTexturePackPage::ModrinthTexturePackPage(TexturePackDownloadDialog* dial
 
     // sometimes Qt just ignores virtual slots and doesn't work as intended it seems,
     // so it's best not to connect them in the parent's constructor...
-    connect(m_ui->sortByBox, SIGNAL(currentIndexChanged(int)), this, SLOT(triggerSearch()));
+    connect(m_ui->sortByBox, &QComboBox::currentIndexChanged, this, &ModrinthTexturePackPage::triggerSearch);
     connect(m_ui->packView->selectionModel(), &QItemSelectionModel::currentChanged, this, &ModrinthTexturePackPage::onSelectionChanged);
-    connect(m_ui->versionSelectionBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            &ModrinthTexturePackPage::onVersionSelectionChanged);
+    connect(m_ui->versionSelectionBox, &QComboBox::currentIndexChanged, this, &ModrinthTexturePackPage::onVersionSelectionChanged);
     connect(m_ui->resourceSelectionButton, &QPushButton::clicked, this, &ModrinthTexturePackPage::onResourceSelected);
 
     m_ui->packDescription->setMetaEntry(metaEntryBase());
@@ -113,10 +110,9 @@ ModrinthShaderPackPage::ModrinthShaderPackPage(ShaderPackDownloadDialog* dialog,
 
     // sometimes Qt just ignores virtual slots and doesn't work as intended it seems,
     // so it's best not to connect them in the parent's constructor...
-    connect(m_ui->sortByBox, SIGNAL(currentIndexChanged(int)), this, SLOT(triggerSearch()));
+    connect(m_ui->sortByBox, &QComboBox::currentIndexChanged, this, &ModrinthShaderPackPage::triggerSearch);
     connect(m_ui->packView->selectionModel(), &QItemSelectionModel::currentChanged, this, &ModrinthShaderPackPage::onSelectionChanged);
-    connect(m_ui->versionSelectionBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            &ModrinthShaderPackPage::onVersionSelectionChanged);
+    connect(m_ui->versionSelectionBox, &QComboBox::currentIndexChanged, this, &ModrinthShaderPackPage::onVersionSelectionChanged);
     connect(m_ui->resourceSelectionButton, &QPushButton::clicked, this, &ModrinthShaderPackPage::onResourceSelected);
 
     m_ui->packDescription->setMetaEntry(metaEntryBase());
@@ -132,10 +128,9 @@ ModrinthDataPackPage::ModrinthDataPackPage(DataPackDownloadDialog* dialog, BaseI
 
     // sometimes Qt just ignores virtual slots and doesn't work as intended it seems,
     // so it's best not to connect them in the parent's constructor...
-    connect(m_ui->sortByBox, SIGNAL(currentIndexChanged(int)), this, SLOT(triggerSearch()));
+    connect(m_ui->sortByBox, &QComboBox::currentIndexChanged, this, &ModrinthDataPackPage::triggerSearch);
     connect(m_ui->packView->selectionModel(), &QItemSelectionModel::currentChanged, this, &ModrinthDataPackPage::onSelectionChanged);
-    connect(m_ui->versionSelectionBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            &ModrinthDataPackPage::onVersionSelectionChanged);
+    connect(m_ui->versionSelectionBox, &QComboBox::currentIndexChanged, this, &ModrinthDataPackPage::onVersionSelectionChanged);
     connect(m_ui->resourceSelectionButton, &QPushButton::clicked, this, &ModrinthDataPackPage::onResourceSelected);
 
     m_ui->packDescription->setMetaEntry(metaEntryBase());
@@ -174,7 +169,7 @@ void ModrinthModPage::prepareProviderCategories()
 {
     auto response = std::make_shared<QByteArray>();
     m_categoriesTask = ModrinthAPI::getModCategories(response);
-    QObject::connect(m_categoriesTask.get(), &Task::succeeded, [this, response]() {
+    connect(m_categoriesTask.get(), &Task::succeeded, [this, response]() {
         auto categories = ModrinthAPI::loadModCategories(response);
         m_filter_widget->setCategories(categories);
     });
diff --git a/launcher/ui/pages/modplatform/technic/TechnicModel.cpp b/launcher/ui/pages/modplatform/technic/TechnicModel.cpp
index c689ab0d2..c425044a2 100644
--- a/launcher/ui/pages/modplatform/technic/TechnicModel.cpp
+++ b/launcher/ui/pages/modplatform/technic/TechnicModel.cpp
@@ -159,8 +159,8 @@ void Technic::ListModel::performSearch()
     netJob->addNetAction(Net::ApiDownload::makeByteArray(QUrl(searchUrl), response));
     jobPtr = netJob;
     jobPtr->start();
-    QObject::connect(netJob.get(), &NetJob::succeeded, this, &ListModel::searchRequestFinished);
-    QObject::connect(netJob.get(), &NetJob::failed, this, &ListModel::searchRequestFailed);
+    connect(netJob.get(), &NetJob::succeeded, this, &ListModel::searchRequestFinished);
+    connect(netJob.get(), &NetJob::failed, this, &ListModel::searchRequestFailed);
 }
 
 void Technic::ListModel::searchRequestFinished()
@@ -299,12 +299,12 @@ void Technic::ListModel::requestLogo(QString logo, QString url)
 
     auto fullPath = entry->getFullPath();
 
-    QObject::connect(job, &NetJob::succeeded, this, [this, logo, fullPath, job] {
+    connect(job, &NetJob::succeeded, this, [this, logo, fullPath, job] {
         job->deleteLater();
         logoLoaded(logo, fullPath);
     });
 
-    QObject::connect(job, &NetJob::failed, this, [this, logo, job] {
+    connect(job, &NetJob::failed, this, [this, logo, job] {
         job->deleteLater();
         logoFailed(logo);
     });
diff --git a/launcher/ui/pages/modplatform/technic/TechnicPage.cpp b/launcher/ui/pages/modplatform/technic/TechnicPage.cpp
index 50d267b1f..63a51d363 100644
--- a/launcher/ui/pages/modplatform/technic/TechnicPage.cpp
+++ b/launcher/ui/pages/modplatform/technic/TechnicPage.cpp
@@ -162,7 +162,7 @@ void TechnicPage::suggestCurrent()
     QString slug = current.slug;
     netJob->addNetAction(Net::ApiDownload::makeByteArray(
         QString("%1modpack/%2?build=%3").arg(BuildConfig.TECHNIC_API_BASE_URL, slug, BuildConfig.TECHNIC_API_BUILD), response));
-    QObject::connect(netJob.get(), &NetJob::succeeded, this, [this, slug] {
+    connect(netJob.get(), &NetJob::succeeded, this, [this, slug] {
         jobPtr.reset();
 
         if (current.slug != slug) {
@@ -260,7 +260,7 @@ void TechnicPage::metadataLoaded()
         auto url = QString("%1/modpack/%2").arg(current.url, current.slug);
         netJob->addNetAction(Net::ApiDownload::makeByteArray(QUrl(url), response));
 
-        QObject::connect(netJob.get(), &NetJob::succeeded, this, &TechnicPage::onSolderLoaded);
+        connect(netJob.get(), &NetJob::succeeded, this, &TechnicPage::onSolderLoaded);
         connect(jobPtr.get(), &NetJob::failed,
                 [this](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });
 
diff --git a/launcher/ui/widgets/AppearanceWidget.cpp b/launcher/ui/widgets/AppearanceWidget.cpp
index 731b72727..ae9c6ee5e 100644
--- a/launcher/ui/widgets/AppearanceWidget.cpp
+++ b/launcher/ui/widgets/AppearanceWidget.cpp
@@ -68,12 +68,12 @@ AppearanceWidget::AppearanceWidget(bool themesOnly, QWidget* parent)
         updateCatPreview();
     }
 
-    connect(m_ui->fontSizeBox, QOverload<int>::of(&QSpinBox::valueChanged), this, &AppearanceWidget::updateConsolePreview);
+    connect(m_ui->fontSizeBox, &QSpinBox::valueChanged, this, &AppearanceWidget::updateConsolePreview);
     connect(m_ui->consoleFont, &QFontComboBox::currentFontChanged, this, &AppearanceWidget::updateConsolePreview);
 
-    connect(m_ui->iconsComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &AppearanceWidget::applyIconTheme);
-    connect(m_ui->widgetStyleComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &AppearanceWidget::applyWidgetTheme);
-    connect(m_ui->catPackComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &AppearanceWidget::applyCatTheme);
+    connect(m_ui->iconsComboBox, &QComboBox::currentIndexChanged, this, &AppearanceWidget::applyIconTheme);
+    connect(m_ui->widgetStyleComboBox, &QComboBox::currentIndexChanged, this, &AppearanceWidget::applyWidgetTheme);
+    connect(m_ui->catPackComboBox, &QComboBox::currentIndexChanged, this, &AppearanceWidget::applyCatTheme);
     connect(m_ui->catOpacitySlider, &QAbstractSlider::valueChanged, this, &AppearanceWidget::updateCatPreview);
 
     connect(m_ui->iconsFolder, &QPushButton::clicked, this,
diff --git a/launcher/ui/widgets/CheckComboBox.cpp b/launcher/ui/widgets/CheckComboBox.cpp
index 57d98ea7f..961709650 100644
--- a/launcher/ui/widgets/CheckComboBox.cpp
+++ b/launcher/ui/widgets/CheckComboBox.cpp
@@ -84,7 +84,7 @@ void CheckComboBox::setSourceModel(QAbstractItemModel* new_model)
     proxy->setSourceModel(new_model);
     model()->disconnect(this);
     QComboBox::setModel(proxy);
-    connect(this, QOverload<int>::of(&QComboBox::activated), this, &CheckComboBox::toggleCheckState);
+    connect(this, &QComboBox::activated, this, &CheckComboBox::toggleCheckState);
     connect(proxy, &CheckComboModel::checkStateChanged, this, &CheckComboBox::emitCheckedItemsChanged);
     connect(model(), &CheckComboModel::rowsInserted, this, &CheckComboBox::emitCheckedItemsChanged);
     connect(model(), &CheckComboModel::rowsRemoved, this, &CheckComboBox::emitCheckedItemsChanged);
diff --git a/launcher/ui/widgets/InfoFrame.cpp b/launcher/ui/widgets/InfoFrame.cpp
index 8d6505655..2363b6592 100644
--- a/launcher/ui/widgets/InfoFrame.cpp
+++ b/launcher/ui/widgets/InfoFrame.cpp
@@ -323,7 +323,7 @@ void InfoFrame::setDescription(QString text)
         cursor.insertHtml("<a href=\"#mod_desc\">...</a>");
 
         labeltext.append(doc.toHtml());
-        QObject::connect(ui->descriptionLabel, &QLabel::linkActivated, this, &InfoFrame::descriptionEllipsisHandler);
+        connect(ui->descriptionLabel, &QLabel::linkActivated, this, &InfoFrame::descriptionEllipsisHandler);
     } else {
         ui->descriptionLabel->setTextFormat(Qt::TextFormat::AutoText);
         labeltext.append(finaltext);
@@ -362,7 +362,7 @@ void InfoFrame::setLicense(QString text)
         m_license = text;
         // This allows injecting HTML here.
         labeltext.append("<html><body>" + finaltext.left(287) + "<a href=\"#mod_desc\">...</a></body></html>");
-        QObject::connect(ui->licenseLabel, &QLabel::linkActivated, this, &InfoFrame::licenseEllipsisHandler);
+        connect(ui->licenseLabel, &QLabel::linkActivated, this, &InfoFrame::licenseEllipsisHandler);
     } else {
         ui->licenseLabel->setTextFormat(Qt::TextFormat::AutoText);
         labeltext.append(finaltext);
diff --git a/launcher/ui/widgets/JavaSettingsWidget.cpp b/launcher/ui/widgets/JavaSettingsWidget.cpp
index f5435d16f..0a0d1968b 100644
--- a/launcher/ui/widgets/JavaSettingsWidget.cpp
+++ b/launcher/ui/widgets/JavaSettingsWidget.cpp
@@ -101,8 +101,8 @@ JavaSettingsWidget::JavaSettingsWidget(InstancePtr instance, QWidget* parent)
     connect(m_ui->javaDetectBtn, &QPushButton::clicked, this, &JavaSettingsWidget::onJavaAutodetect);
     connect(m_ui->javaBrowseBtn, &QPushButton::clicked, this, &JavaSettingsWidget::onJavaBrowse);
 
-    connect(m_ui->maxMemSpinBox, QOverload<int>::of(&QSpinBox::valueChanged), this, &JavaSettingsWidget::updateThresholds);
-    connect(m_ui->minMemSpinBox, QOverload<int>::of(&QSpinBox::valueChanged), this, &JavaSettingsWidget::updateThresholds);
+    connect(m_ui->maxMemSpinBox, &QSpinBox::valueChanged, this, &JavaSettingsWidget::updateThresholds);
+    connect(m_ui->minMemSpinBox, &QSpinBox::valueChanged, this, &JavaSettingsWidget::updateThresholds);
 
     loadSettings();
     updateThresholds();
diff --git a/launcher/ui/widgets/JavaWizardWidget.cpp b/launcher/ui/widgets/JavaWizardWidget.cpp
index 02bb57474..6158dc7a3 100644
--- a/launcher/ui/widgets/JavaWizardWidget.cpp
+++ b/launcher/ui/widgets/JavaWizardWidget.cpp
@@ -39,9 +39,9 @@ JavaWizardWidget::JavaWizardWidget(QWidget* parent) : QWidget(parent)
     m_memoryTimer = new QTimer(this);
     setupUi();
 
-    connect(m_minMemSpinBox, SIGNAL(valueChanged(int)), this, SLOT(onSpinBoxValueChanged(int)));
-    connect(m_maxMemSpinBox, SIGNAL(valueChanged(int)), this, SLOT(onSpinBoxValueChanged(int)));
-    connect(m_permGenSpinBox, SIGNAL(valueChanged(int)), this, SLOT(onSpinBoxValueChanged(int)));
+    connect(m_minMemSpinBox, &QSpinBox::valueChanged, this, &JavaWizardWidget::onSpinBoxValueChanged);
+    connect(m_maxMemSpinBox, &QSpinBox::valueChanged, this, &JavaWizardWidget::onSpinBoxValueChanged);
+    connect(m_permGenSpinBox, &QSpinBox::valueChanged, this, &JavaWizardWidget::onSpinBoxValueChanged);
     connect(m_memoryTimer, &QTimer::timeout, this, &JavaWizardWidget::memoryValueChanged);
     connect(m_versionWidget, &VersionSelectWidget::selectedVersionChanged, this, &JavaWizardWidget::javaVersionSelected);
     connect(m_javaBrowseBtn, &QPushButton::clicked, this, &JavaWizardWidget::on_javaBrowseBtn_clicked);
diff --git a/launcher/ui/widgets/ModFilterWidget.cpp b/launcher/ui/widgets/ModFilterWidget.cpp
index 031ff0f94..527efc32a 100644
--- a/launcher/ui/widgets/ModFilterWidget.cpp
+++ b/launcher/ui/widgets/ModFilterWidget.cpp
@@ -141,7 +141,7 @@ ModFilterWidget::ModFilterWidget(MinecraftInstance* instance, bool extended)
     ui->versions->setStyleSheet("combobox-popup: 0;");
     ui->version->setStyleSheet("combobox-popup: 0;");
     connect(ui->showAllVersions, &QCheckBox::stateChanged, this, &ModFilterWidget::onShowAllVersionsChanged);
-    connect(ui->versions, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &ModFilterWidget::onVersionFilterChanged);
+    connect(ui->versions, &QComboBox::currentIndexChanged, this, &ModFilterWidget::onVersionFilterChanged);
     connect(ui->versions, &CheckComboBox::checkedItemsChanged, this, [this] { onVersionFilterChanged(0); });
     connect(ui->version, &QComboBox::currentTextChanged, this, &ModFilterWidget::onVersionFilterTextChanged);
 
diff --git a/launcher/ui/widgets/PageContainer.cpp b/launcher/ui/widgets/PageContainer.cpp
index 514e1d25c..e3054c17a 100644
--- a/launcher/ui/widgets/PageContainer.cpp
+++ b/launcher/ui/widgets/PageContainer.cpp
@@ -103,7 +103,7 @@ PageContainer::PageContainer(BasePageProvider* pageProvider, QString defaultId,
     m_pageList->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
     m_pageList->setSizeAdjustPolicy(QAbstractScrollArea::AdjustToContents);
     m_pageList->setModel(m_proxyModel);
-    connect(m_pageList->selectionModel(), SIGNAL(currentRowChanged(QModelIndex, QModelIndex)), this, SLOT(currentChanged(QModelIndex)));
+    connect(m_pageList->selectionModel(), &QItemSelectionModel::currentRowChanged, this, &PageContainer::currentChanged);
     m_pageStack->setStackingMode(QStackedLayout::StackOne);
     m_pageList->setFocus();
     selectPage(defaultId);
diff --git a/libraries/LocalPeer/src/LocalPeer.cpp b/libraries/LocalPeer/src/LocalPeer.cpp
index cb74c031b..7c97579fc 100644
--- a/libraries/LocalPeer/src/LocalPeer.cpp
+++ b/libraries/LocalPeer/src/LocalPeer.cpp
@@ -146,7 +146,7 @@ bool LocalPeer::isClient()
 #endif
     if (!res)
         qWarning("QtSingleCoreApplication: listen on local socket failed, %s", qPrintable(server->errorString()));
-    QObject::connect(server.get(), SIGNAL(newConnection()), SLOT(receiveConnection()));
+    connect(server.get(), &QLocalServer::newConnection, this, &LocalPeer::receiveConnection);
     return false;
 }
 
diff --git a/tests/FileSystem_test.cpp b/tests/FileSystem_test.cpp
index 995867e46..050fafd3c 100644
--- a/tests/FileSystem_test.cpp
+++ b/tests/FileSystem_test.cpp
@@ -320,9 +320,8 @@ class FileSystemTest : public QObject {
 
             LinkTask lnk_tsk(folder, target_dir.path());
             lnk_tsk.linkRecursively(false);
-            QObject::connect(&lnk_tsk, &Task::finished, [&lnk_tsk] {
-                QVERIFY2(lnk_tsk.wasSuccessful(), "Task finished but was not successful when it should have been.");
-            });
+            connect(&lnk_tsk, &Task::finished,
+                    [&lnk_tsk] { QVERIFY2(lnk_tsk.wasSuccessful(), "Task finished but was not successful when it should have been."); });
             lnk_tsk.start();
 
             QVERIFY2(QTest::qWaitFor([&lnk_tsk]() { return lnk_tsk.isFinished(); }, 100000), "Task didn't finish as it should.");
@@ -417,9 +416,8 @@ class FileSystemTest : public QObject {
             RegexpMatcher::Ptr re = std::make_shared<RegexpMatcher>("[.]?mcmeta");
             lnk_tsk.matcher(re);
             lnk_tsk.linkRecursively(true);
-            QObject::connect(&lnk_tsk, &Task::finished, [&lnk_tsk] {
-                QVERIFY2(lnk_tsk.wasSuccessful(), "Task finished but was not successful when it should have been.");
-            });
+            connect(&lnk_tsk, &Task::finished,
+                    [&lnk_tsk] { QVERIFY2(lnk_tsk.wasSuccessful(), "Task finished but was not successful when it should have been."); });
             lnk_tsk.start();
 
             QVERIFY2(QTest::qWaitFor([&lnk_tsk]() { return lnk_tsk.isFinished(); }, 100000), "Task didn't finish as it should.");
@@ -465,9 +463,8 @@ class FileSystemTest : public QObject {
             lnk_tsk.matcher(re);
             lnk_tsk.linkRecursively(true);
             lnk_tsk.whitelist(true);
-            QObject::connect(&lnk_tsk, &Task::finished, [&lnk_tsk] {
-                QVERIFY2(lnk_tsk.wasSuccessful(), "Task finished but was not successful when it should have been.");
-            });
+            connect(&lnk_tsk, &Task::finished,
+                    [&lnk_tsk] { QVERIFY2(lnk_tsk.wasSuccessful(), "Task finished but was not successful when it should have been."); });
             lnk_tsk.start();
 
             QVERIFY2(QTest::qWaitFor([&lnk_tsk]() { return lnk_tsk.isFinished(); }, 100000), "Task didn't finish as it should.");
@@ -510,9 +507,8 @@ class FileSystemTest : public QObject {
 
             LinkTask lnk_tsk(folder, target_dir.path());
             lnk_tsk.linkRecursively(true);
-            QObject::connect(&lnk_tsk, &Task::finished, [&lnk_tsk] {
-                QVERIFY2(lnk_tsk.wasSuccessful(), "Task finished but was not successful when it should have been.");
-            });
+            connect(&lnk_tsk, &Task::finished,
+                    [&lnk_tsk] { QVERIFY2(lnk_tsk.wasSuccessful(), "Task finished but was not successful when it should have been."); });
             lnk_tsk.start();
 
             QVERIFY2(QTest::qWaitFor([&lnk_tsk]() { return lnk_tsk.isFinished(); }, 100000), "Task didn't finish as it should.");
@@ -559,9 +555,8 @@ class FileSystemTest : public QObject {
             qDebug() << target_dir.path();
 
             LinkTask lnk_tsk(file, target_dir.filePath("pack.mcmeta"));
-            QObject::connect(&lnk_tsk, &Task::finished, [&lnk_tsk] {
-                QVERIFY2(lnk_tsk.wasSuccessful(), "Task finished but was not successful when it should have been.");
-            });
+            connect(&lnk_tsk, &Task::finished,
+                    [&lnk_tsk] { QVERIFY2(lnk_tsk.wasSuccessful(), "Task finished but was not successful when it should have been."); });
             lnk_tsk.start();
 
             QVERIFY2(QTest::qWaitFor([&lnk_tsk]() { return lnk_tsk.isFinished(); }, 100000), "Task didn't finish as it should.");
@@ -595,9 +590,8 @@ class FileSystemTest : public QObject {
             LinkTask lnk_tsk(folder, target_dir.path());
             lnk_tsk.linkRecursively(true);
             lnk_tsk.setMaxDepth(0);
-            QObject::connect(&lnk_tsk, &Task::finished, [&lnk_tsk] {
-                QVERIFY2(lnk_tsk.wasSuccessful(), "Task finished but was not successful when it should have been.");
-            });
+            connect(&lnk_tsk, &Task::finished,
+                    [&lnk_tsk] { QVERIFY2(lnk_tsk.wasSuccessful(), "Task finished but was not successful when it should have been."); });
             lnk_tsk.start();
 
             QVERIFY2(QTest::qWaitFor([&lnk_tsk]() { return lnk_tsk.isFinished(); }, 100000), "Task didn't finish as it should.");
@@ -646,9 +640,8 @@ class FileSystemTest : public QObject {
             LinkTask lnk_tsk(folder, target_dir.path());
             lnk_tsk.linkRecursively(true);
             lnk_tsk.setMaxDepth(-1);
-            QObject::connect(&lnk_tsk, &Task::finished, [&lnk_tsk] {
-                QVERIFY2(lnk_tsk.wasSuccessful(), "Task finished but was not successful when it should have been.");
-            });
+            connect(&lnk_tsk, &Task::finished,
+                    [&lnk_tsk] { QVERIFY2(lnk_tsk.wasSuccessful(), "Task finished but was not successful when it should have been."); });
             lnk_tsk.start();
 
             QVERIFY2(QTest::qWaitFor([&lnk_tsk]() { return lnk_tsk.isFinished(); }, 100000), "Task didn't finish as it should.");
diff --git a/tests/Task_test.cpp b/tests/Task_test.cpp
index 8333840c1..1c95f702d 100644
--- a/tests/Task_test.cpp
+++ b/tests/Task_test.cpp
@@ -127,8 +127,8 @@ class TaskTest : public QObject {
     void test_basicRun()
     {
         BasicTask t;
-        QObject::connect(&t, &Task::finished,
-                         [&t] { QVERIFY2(t.wasSuccessful(), "Task finished but was not successful when it should have been."); });
+        connect(&t, &Task::finished,
+                [&t] { QVERIFY2(t.wasSuccessful(), "Task finished but was not successful when it should have been."); });
         t.start();
 
         QVERIFY2(QTest::qWaitFor([&t]() { return t.isFinished(); }, 1000), "Task didn't finish as it should.");
@@ -146,7 +146,7 @@ class TaskTest : public QObject {
         t.addTask(t2);
         t.addTask(t3);
 
-        QObject::connect(&t, &Task::finished, [&t, &t1, &t2, &t3] {
+        connect(&t, &Task::finished, [&t, &t1, &t2, &t3] {
             QVERIFY2(t.wasSuccessful(), "Task finished but was not successful when it should have been.");
             QVERIFY(t1->wasSuccessful());
             QVERIFY(t2->wasSuccessful());
@@ -182,7 +182,7 @@ class TaskTest : public QObject {
         t.addTask(t8);
         t.addTask(t9);
 
-        QObject::connect(&t, &Task::finished, [&t, &t1, &t2, &t3, &t4, &t5, &t6, &t7, &t8, &t9] {
+        connect(&t, &Task::finished, [&t, &t1, &t2, &t3, &t4, &t5, &t6, &t7, &t8, &t9] {
             QVERIFY2(t.wasSuccessful(), "Task finished but was not successful when it should have been.");
             QVERIFY(t1->wasSuccessful());
             QVERIFY(t2->wasSuccessful());
@@ -211,7 +211,7 @@ class TaskTest : public QObject {
         t.addTask(t2);
         t.addTask(t3);
 
-        QObject::connect(&t, &Task::finished, [&t, &t1, &t2, &t3] {
+        connect(&t, &Task::finished, [&t, &t1, &t2, &t3] {
             QVERIFY2(t.wasSuccessful(), "Task finished but was not successful when it should have been.");
             QVERIFY(t1->wasSuccessful());
             QVERIFY(t2->wasSuccessful());
@@ -234,7 +234,7 @@ class TaskTest : public QObject {
         t.addTask(t2);
         t.addTask(t3);
 
-        QObject::connect(&t, &Task::finished, [&t, &t1, &t2, &t3] {
+        connect(&t, &Task::finished, [&t, &t1, &t2, &t3] {
             QVERIFY2(t.wasSuccessful(), "Task finished but was not successful when it should have been.");
             QVERIFY(t1->wasSuccessful());
             QVERIFY(!t2->wasSuccessful());