The term "Debug Window" is not accurate IMO and we should consider renaming it to a more user-friendly term (only visible in the window title as well as from the tray menu).
signMessageAction = new QAction(tr("Sign &message..."), this);
    signMessageAction->setStatusTip(tr("Sign messages with your Bitcoin addresses to prove you own them"));
    verifyMessageAction = new QAction(tr("&Verify message..."), this);
    verifyMessageAction->setStatusTip(tr("Verify messages to ensure they were signed with specified Bitcoin addresses"));
    openRPCConsoleAction = new QAction(tr("&Debug window"), this);
    openRPCConsoleAction->setStatusTip(tr("Open debugging and diagnostic console"));
    
    openRPCConsoleAction->setEnabled(false);
    openRPCConsoleAction->setObjectName("openRPCConsoleAction");
    usedSendingAddressesAction = new QAction(tr("&Sending addresses"), this);
    usedSendingAddressesAction->setStatusTip(tr("Show the list of used sending addresses and labels"));
    usedReceivingAddressesAction = new QAction(tr("&Receiving addresses"), this);
    usedReceivingAddressesAction->setStatusTip(tr("Show the list of used receiving addresses and labels"));
    openAction = new QAction(tr("Open &URI..."), this);
    openAction->setStatusTip(tr("Open a bitcoin: URI or payment request"));
    m_open_wallet_action = new QAction(tr("Open Wallet"), this);
    m_open_wallet_action->setEnabled(false);
    m_open_wallet_action->setStatusTip(tr("Open a wallet"));
    m_open_wallet_menu = new QMenu(this);
    m_close_wallet_action = new QAction(tr("Close Wallet..."), this);
    m_close_wallet_action->setStatusTip(tr("Close wallet"));
    m_create_wallet_action = new QAction(tr("Create Wallet..."), this);
    m_create_wallet_action->setStatusTip(tr("Create a new wallet"));
    showHelpMessageAction = new QAction(tr("&Command-line options"), this);
    showHelpMessageAction->setMenuRole(QAction::NoRole);
    showHelpMessageAction->setStatusTip(tr("Show the %1 help message to get a list with possible Bitcoin command-line options").arg(PACKAGE_NAME));
    connect(quitAction, &QAction::triggered, qApp, QApplication::quit);
    connect(aboutAction, &QAction::triggered, this, &BitcoinGUI::aboutClicked);
    connect(aboutQtAction, &QAction::triggered, qApp, QApplication::aboutQt);
    connect(optionsAction, &QAction::triggered, this, &BitcoinGUI::optionsClicked);