This is Qt version 3.3.8 Qt is a multiplatform C++ GUI application framework. Qt 3.3 introduces new features and many improvements over the 3.2.x series. See the changes file for details. The Qt version 3.3 series is binary compatible with the 3.2.x series - applications compiled for 3.2 will continue to run with 3.3. For this release, the following platforms have been tested: win32-borland win32-g++ win32-icc win32-msvc win32-msvc.net win32-msvc2005 aix-g++ aix-xlc aix-xlc-64 freebsd-g++ freebsd-icc hpux-acc hpux-g++ irix-cc irix-cc-64 irix-g++ linux-ecc-64 linux-g++ linux-g++-64 linux-icc solaris-cc solaris-cc-64 solaris-g++ solaris-g++-64 tru64-g++ macx-g++ macx-pbuilder If you want to use Qt 3 on an unsupported version of Unix, please contact us at qt-bugs@trolltech.com so that we can assist you. How to get the release: Qt Open Source Edition: Download the .tar.gz archive from ftp.trolltech.com. For faster download times, use ftpsearch and search for qt-x11-free-3.3.8 to find it on a mirror ftp site near you. Qt Professional Edition, Qt Enterprise Edition: Holders of valid licenses should have received an email with instructions on how to get the new release. Contact sales@trolltech.com if you are a Professional or Enterprise Edition licensee and have not received this email. Any problems encountered with Qt 3.3 should be reported to qt-bugs@trolltech.com. Qt is a trademark of Trolltech ASA.