Qt 3.3.1 is a bugfix release. It maintains both forward and backwardcompatibility (source and binary) with Qt 3.3.0***************************************************************************** General *****************************************************************************Added support for animated cursors on Mac OS X.Compilers---------Fixed SQLite compilation on Solaris.Fixed problem with precompiled headers (PCH) and Platform SDK onWindows by removing winsock2.h dependency.***************************************************************************** Library *****************************************************************************General Fixes-------------Fixed drag and drop for modal dialogs.- QAction Propagate visibility state correctly to actions added to an invisible actiongroup.- QHttp Handle both upper and lower case in response headers.- QLineEdit Fixed drawing problems that affected very long strings and the handling of trailing spaces.- QObject Fixed connectNotify() and disconnectNotify() for some special cases.- QPixmap Avoid calling detach() when setting a null mask on a pixmap.- QString sprintf() again interprets strings, %s, as UTF-8 strings, not as Latin1 strings.- QTabBar Tabbars are now correctly left aligned again.- QTable Fixed shift selections after editing.- QTextEdit Emits cursorPositionChanged() when cursor position changes when find() has been called. LogText mode: Changing fonts after appending text now recalculates the scrollbars properly. Optimized createPopupMenu().- QVariant Added missing detach() calls in QVariant::as...() functions (e.g. asInt()).- QWidget setWindowState() fixed for WindowMaximized and WindowFullScreen. showMaximized() and showFullScreen() now work for laid out widgets that have not been explicitly resized. windowOpacity() correctly initialized.Platform-Specific Issues------------------------Windows:Fixed overflow error that sometimes affected the font engine.Fixed font drawing problems for some international versions of Win9x;also improved handling of spaces before Chinese characters.- QApplication Fixed libraryPaths() to return the correct location of the application executable, independently of whether it has been called before the QApplication constructor or afterwards.- QFileInfo Fixed readLink() for special cases.- QSound Fixed isFinished() to work correctly.- QStyle Fixed QWindowsXPStyle drawing flat toggle buttons.- QWidget Turn off layered painting if window opacity is set back to 1.0; making widget redrawing fast again.Mac:Fixed crash on exit problem with Qt Designer.Fixed compilation of networking modules for Professional edition. Fixed overflow error that sometimes occurred in the font engine.Fixed modal dialogs and contextMenuRequested() signals.- QMenuBar Add separator after the "Abouts". Fixed memory corruption.- QMessageBox Improved handling of text and button size.- QPainter Improved raster operations when using colors. Improved polygon region handling and drawPolyLine().- QStyle Fixed QAquaStyle to use setWindowOpacity(). Fixed QMacStyle drawing of flat toggle buttons.- QWidget Fixed showFullScreen() to not hide the toolbar.X11:Fixed skipping of certain (bitmap) fonts for Xft2 when building up thefont database.- QPrinter Fixed regression with margins and Landscape.Embedded:- QPixmap Fixed crash bug with transformed driver when using masked pixmaps where width > height. In xForm(), pre-fill the resulting pixmap with a transparent color instead of white.