changes (among many others):
- New QLocale Class
- The ActiveQt framework, first available in Qt 3.1, has been enhanced in
lots of ways in Qt 3.3.
- Semi-Transparent Windows
Other Improvements
- The network module now supports IPv6 in addition to IPv4.
- New 64-bit platforms are supported: Itanium on Linux (Intel compiler) and
Windows (MSVC and Intel).
- QCursor now provides the BusyCursor shape, which combines an hourglass with
an arrow.
- Qt's DOM classes are now reentrant when Qt is built with multithread support
enabled.
See http://www.trolltech.com/products/qt/whatsnew.html for more details.