diff --git a/cmake/devtools_qt_helper.cmake b/cmake/devtools_qt_helper.cmake
index 993ad86..230eaa0 100644
--- a/cmake/devtools_qt_helper.cmake
+++ b/cmake/devtools_qt_helper.cmake
@@ -27,6 +27,20 @@ if (Qt6_DIR)
     get_target_property(_qmake_executable Qt::qmake IMPORTED_LOCATION)
     get_filename_component(_qt_bin_dir "${_qmake_executable}" DIRECTORY)
 
+    if (LINUX)
+        get_target_property(_qt_core_lib Qt6::Core IMPORTED_LOCATION)
+        if(_qt_core_lib)
+            execute_process(
+                COMMAND readelf -d ${_qt_core_lib}
+                OUTPUT_VARIABLE _qt_core_needed
+                ERROR_QUIET
+            )
+            if(NOT _qt_core_needed MATCHES "libicui18n")
+		set(ICU_DATA_NEEDS_PATCHING TRUE)
+            endif()
+        endif()
+    endif()
+
     function(deploy_qt_build target)
         if (WIN32)
             find_program(DEPLOYQT_EXECUTABLE windeployqt HINTS "${_qt_bin_dir}")
@@ -41,8 +55,8 @@ if (Qt6_DIR)
             )
         endif ()
 
-        # Ensure that libicudata.so.70 is added as an explicit dependency of Qt based targets so that it gets deployed
-        if (LINUX)
+        if (ICU_DATA_NEEDS_PATCHING)
+            message(WARNING "Qt6Core does not link libicudata. Manually adding libicudata.so.70.")
             add_custom_command(TARGET ${target} POST_BUILD COMMAND patchelf --add-needed libicudata.so.70 $<TARGET_FILE:${target}>)
         endif ()
 
diff --git a/source/backend/rmt_mutex.cpp b/source/backend/rmt_mutex.cpp
index dbe3c4b..a77c8d1 100644
--- a/source/backend/rmt_mutex.cpp
+++ b/source/backend/rmt_mutex.cpp
@@ -6,6 +6,7 @@
 //=============================================================================
 
 #ifndef _WIN32
+#include <new>
 #include <mutex>
 #endif  // #ifndef _WIN32
 
diff --git a/source/frontend/views/settings/settings_pane.cpp b/source/frontend/views/settings/settings_pane.cpp
index 01a70e9..356205a 100644
--- a/source/frontend/views/settings/settings_pane.cpp
+++ b/source/frontend/views/settings/settings_pane.cpp
@@ -69,7 +69,14 @@ SettingsPane::SettingsPane(QWidget* parent)
     ui_->byte_units_combo_push_button_->SetSelectedRow(0);
     connect(ui_->byte_units_combo_push_button_, &ArrowIconComboBox::SelectionChanged, this, &SettingsPane::ByteUnitsChanged);
 
-    connect(ui_->check_for_updates_on_startup_checkbox_, &CheckBoxWidget::stateChanged, this, &SettingsPane::CheckForUpdatesOnStartupStateChanged);
+    const auto state_change_function =
+#if QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
+        &CheckBoxWidget::checkStateChanged;
+#else
+        &CheckBoxWidget::stateChanged;
+#endif
+
+    connect(ui_->check_for_updates_on_startup_checkbox_, state_change_function, this, &SettingsPane::CheckForUpdatesOnStartupStateChanged);
 }
 
 SettingsPane::~SettingsPane()