Here is a list of user-visible changes in Qt from 1.40 to 1.41+
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QT is now available as a DLL on Windows.+
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Many bugfixes have been added.  The Windows keys are supported on X11,+
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and the file dialog has been improved a little.+
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Drag and drop has been considerably improved, both on Windows and X11.+
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QPrinter now knows many more paper sizes.+
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It now possible to create masked (nonrectangular) widgets.+
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QScrollBar now supports insanely big ranges.+
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QSlider now supports page step as well as line step.+
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* 			     New classes				   *+
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None.+
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*		       Enhancements from 1.33 to 1.40			   *+
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*               Changes that might affect runtime behavior                 *+
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None.+
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*               Changes that might generate compile errors                 *+
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*                        when compiling old code                           *+
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None+
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*               Type changes that might generate warnings:                 *+
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None+
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* 			Deprecated functions				   *+
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None.+
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*			 New global functions				   *+
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None.+
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*      New public/protected functions added to existing classes            *+
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QFileDialog::getOpenFileNames()+
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QProgressDialog::setMinimumDuration( int )+
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QProgressDialog::minimumDuration() const+
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QMouseEvent::globalPos() const+
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QMouseEvent::globalX() const+
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QMouseEvent::globalY() const+
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QFont::rawName() const+
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QWidget::setMask(const QRegion& region)+
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QWidget::setMask(QBitmap bitmap)+
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QWidget::clearMask()+
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QListView/QListViewItem: Various functions to create children in specified order+
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