"Nokia's Qt Software subsidiary released version 4.7 of its Qt
cross-platform application and UI framework, touted for offering
much faster performance. The Linux-compatible Qt 4.7 adds two
building blocks of an upcoming high-level animation- and
language and a "Qt Declarative" C++ module.
"Qt 4.7 appears to be less ambitious than Qt 4.6, released by
Nokia last December. That release added multitouch and gesture
support, and support for Nokia's Symbian and Maemo platforms. Other
Qt 4.6 enhancements included new animation and state-machine
frameworks, an updated Qt Creator IDE, and new OpenGL and WebKit
"The new 4.7 release is primarily about performance gains, and
if Nokia's benchmarks are to be believed, they are significant. Key
performance enhancements are said to include:"