OSX 10.11.3 running an official 0.12.0 binary.
If you minimise the 'Verifying blocks' window and wait until the GUI has fully loaded, the minimised window is still available, and it will display the same % verified as when you minimised it.

![2 windows](https://cloud.githubusercontent.com/assets/863730/13897060/caa7bb10-eddd-11e5-9d1d-ec4bd43caa96.png)
![minimised](https://cloud.githubusercontent.com/assets/863730/13897061/cb564928-eddd-11e5-8097-4abfa5dc6433.png)

{
    
    uiInterface.InitMessage.disconnect(boost::bind(InitMessage, this, _1));
    uiInterface.ShowProgress.disconnect(boost::bind(ShowProgress, this, _1, _2));
#ifdef ENABLE_WALLET
    if(pwalletMain)
        pwalletMain->ShowProgress.disconnect(boost::bind(ShowProgress, this, _1, _2));
#endif
}
void SplashScreen::showMessage(const QString &message, int alignment, const QColor &color)
{
    curMessage = message;
    curAlignment = alignment;
    curColor = color;
    update();
}
void SplashScreen::paintEvent(QPaintEvent *event)
{
    QPainter painter(this);
    painter.drawPixmap(0, 0, pixmap);
    QRect r = rect().adjusted(5, 5, -5, -5);
    painter.setPen(curColor);
    painter.drawText(r, curAlignment, curMessage);
}
void SplashScreen::closeEvent(QCloseEvent *event)
{
    StartShutdown(); 
    event->ignore();
}