diff --git a/plugins/projectmanagerview/projectmanagerviewplugin.cpp b/plugins/projectmanagerview/projectmanagerviewplugin.cpp
--- a/plugins/projectmanagerview/projectmanagerviewplugin.cpp
+++ b/plugins/projectmanagerview/projectmanagerviewplugin.cpp
@@ -133,6 +133,7 @@
     connect( d->m_clean, &QAction::triggered, this, &ProjectManagerViewPlugin::cleanProjectItems );
     actionCollection()->addAction( "project_clean", d->m_clean );
     d->m_configure = new QAction( i18n("Configure Selection"), this );
+    d->m_configure->setMenuRole( QAction::NoRole ); // OSX: Be explicit about role, prevent hiding due to conflict with "Preferences..." menu item 
     d->m_configure->setIconText( i18n("Configure") );
     d->m_configure->setIcon(QIcon::fromTheme("run-build-configure"));
     d->m_configure->setEnabled( false );
diff --git a/shell/mainwindow_p.cpp b/shell/mainwindow_p.cpp
--- a/shell/mainwindow_p.cpp
+++ b/shell/mainwindow_p.cpp
@@ -231,6 +231,7 @@
 
     action = actionCollection()->addAction( "about_platform", this, SLOT(showAboutPlatform()) );
     action->setText( i18n("About KDevelop Platform") );
+    action->setMenuRole( QAction::NoRole ); // OSX: prevent QT from hiding this due to conflict with 'About KDevelop'
     action->setStatusTip( i18n("Show Information about KDevelop Platform") );
     action->setWhatsThis( i18nc( "@info:whatsthis", "Shows a dialog with information about KDevelop Platform." ) );
 
diff --git a/shell/runcontroller.cpp b/shell/runcontroller.cpp
--- a/shell/runcontroller.cpp
+++ b/shell/runcontroller.cpp
@@ -439,6 +439,7 @@
 
     action = new QAction(i18n("Configure Launches..."), this);
     ac->addAction("configure_launches", action);
+    action->setMenuRole(QAction::NoRole); // OSX: Be explicit about role, prevent hiding due to conflict with "Preferences..." menu item
     action->setStatusTip(i18n("Open Launch Configuration Dialog"));
     action->setToolTip(i18nc("@info:tooltip", "Open Launch Configuration Dialog"));
     action->setWhatsThis(i18nc("@info:whatsthis", "Opens a dialog to setup new launch configurations, or to change the existing ones."));
diff --git a/shell/sessioncontroller.cpp b/shell/sessioncontroller.cpp
--- a/shell/sessioncontroller.cpp
+++ b/shell/sessioncontroller.cpp
@@ -315,6 +315,7 @@
 
     action = actionCollection()->addAction( "quit", this, SIGNAL(quitSession()) );
     action->setText( i18n("Quit") );
+    action->setMenuRole( QAction::NoRole ); // OSX: prevent QT from hiding this due to conflict with 'Quit KDevelop...'
     actionCollection()->setDefaultShortcut( action, Qt::CTRL | Qt::Key_Q );
     action->setIcon(QIcon::fromTheme("application-exit"));