Qt 2.3.1 is a bugfix release. It keeps both forward and backward
compatibility (source and binary) with Qt 2.3.0


****************************************************************************
*    General   *
****************************************************************************

- correctly reinitialize internal data structures on QApplication destruction to
  allow the sequential creation of multiple QApplication objects.

- Some bugfixes for the new support for Xft (antialiased fonts on X11)
correct clipping when drawing with Xft
correctly handle family names starting with a number
handle case when no Xft font could be loaded
correctly report bounding rectangles of strings

- Printing on Windows
work around a bug in some HP printer drivers
correctly map between Qt and Windows page sizes

- Improved build on HP/UX, AIX and SCO

****************************************************************************
*   Library   *
****************************************************************************

- QAction
use unique object names for generated objects

- QCanvasView
even less flicker

- QClipboard on Windows
keep clipboard contents even after application exit

- QDns:
fixed a crash.

- QFont
correctly report fixed pitch on Windows
make inFont work correctly on X11

- QFontDataBase on X11:
report correct sizes when monitor resolution != 75 dpi
some fixes for asian character sets

- QImageIO
fixed saving of paletted PNGs

- QLineEdit
fixed keyboard selection after undo/redo

- QListBox
fix numRows() and numCols() for empty listboxes

- QMovie
some performance optimizations

- QPainter on X11
fixed clipping problems occuring in some cases in paint events
fix drawText when using scaled painters

- QPopupMenu on Windows:
child widgets now receive mouse events
fix placement of menus

- QPrintDialog on X11
more tolerant parsing of /etc/printcap

- QPrinter on X11
search some more places for embeddable fonts
produce smaller postscript when printing grayscale images

- QRichText
fixed a problem in the HTML parser
handle translated painters correctly
fixed endless loop occurring rarely when printing long tables

- QString
fixed toULong for base != 10

- QThread
some smaller fixes in QWaitCondition and sleep functions
don't lock application mutex for console applications

- QToolBar
fixed moving of toolbars between main windows
Insert toolbuttons with associated popup menus as a submenu in the
extension popup

- QUrl / QFileDialog
delete files with special characters
improved processed processing of filenames on different platforms
allow digits in protocol names

- QUrlOperator
some memory leaks are fixed (one of them caused a segmentation
fault if FTP was used and the FTP server timed out)

- QWidget
preserve Widget flags when toggling to and from FullScreen mode.
fixed some focus issues with the menubar's Alt-mode (clearFocus() 
did not always behave as desired).
X11 only: fixed mouse move event compression when using
QWidget::scroll().

- QWizard
correct update of finished and next button

- QWorkSpace
fixed minimize/maximize behaviour, hide maximize controls when the
workspace gets hidden
some focus handling fixes

- Windows event processing
Use mouse position at event generation time rather than processing
time.


****************************************************************************
*   Extensions   *
****************************************************************************

- OpenGL
workaround for some Windows OpenGL drivers

- Browser plugins
fixed OpenGL handling in plugins

****************************************************************************
*      Other   *
****************************************************************************

- Turn off Windows 2000 fading effects on color depths of less than 32 bit

- Designer:
clear namespace when deleting widgets

- fix some memory leaks in the network module

- Better support for VNC

****************************************************************************
*               Changes that might affect runtime behavior                 *
****************************************************************************

- QWheelEvent
make accept the default state for QWheelEvent as documented

- QPrinter on Windows
unknown page sizes now return QPrinter::Custom instead of the
wrong QPrinter::A4

****************************************************************************
*    Qt/Embedded-specific changes           *
****************************************************************************

- USB Keyboard support improved.
- Printing support improved.
- Development support for non-Linux platforms (eg. with QVfb on FreeBSD).
- QWSServer/QWSWindow now have a more useable (and documented) API.
- Pixmap brush polygon fills are now supported.
- Fixed freezing of modal widgets inside manager events.
- Bug fixes in masked blit, scrolling, clipped alpha-blended images,
   focus handling, and QCopChannel::isRegistered().
- iPAQ buttons F1..F4 are now F9..F12 (F4 pops up Comboboxes!)
- Support for more mice.
- Fixes to compile with GCC 3.0snapshots.