Trolltech has released Qt 4.1. The first feature release since Qt 4.0 includes new features which will make it into KDE 4 such as integrated support for rendering scalable vector graphics (SVG) drawings and animations, a PDF backend to the Qt printing system and a lightweight unit testing framework. Qt Designer has been updated, OpenGL support has been improved and SOCKS5 support has been added. Their 4.1.0 changes file has the full details. Get your copy from the X11 download page or from qt-copy in KDE's SVN.