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Tuesday, December 01, 2009
Nokia Releases Qt 4.6

Nokia today released Qt 4.6, the latest version of the cross-platform application and UI framework.

Featuring new platform support, new graphical capabilities and support for multi-touch and gestures, Qt 4.6 makes developing advanced applications and devices easier.

"Qt 4.6 marks an exciting time for developers, regardless of their target form factor or platform," said Sebastian Nystr?m, Vice President, Application Services and Frameworks at Nokia.

"Developers can easily create visually appealing and web-connected applications for desktops or devices, including targeting the hundreds of millions of Symbian and Maemo-based devices,"

"The community will enjoy using Qt's intuitive programming interface to quickly create powerful, appealing applications." Nystr?m added.

Qt 4.6 includes support for the Symbian platform for the first time, and also adds Windows 7, Apple Mac OS 10.6 (Snow Leopard) and the upcoming Maemo 6 to the list of Qt supported platforms. Also available is community support for real-time operating systems QNX and VxWorks. Support for Maemo 5 is also currently in development, with the second technology preview being released today.

Qt support for Symbian and Maemo creates the first opportunity for developers to target both of these platforms from the same codebase.

Also released today is a technology preview of new Qt APIs from the Qt Mobility project. These cross-platform APIs provide developers with functionality such as location for navigation-type devices, as well as messaging, contacts, and bearer management.

Qt 4.6 builds upon the graphical improvements of 4.5 and enhances them with the addition of new Animation Framework plus new advanced graphics effects like opacity, drop shadows, glow, and filtering.

One of the new features in Qt 4.6 is the ability to create multi-touch applications. New multi-touch and gesture based input methods such as flicking and kinetic scrolling make Qt 4.6 a powerful framework for creating dynamic, tactile ways for users to interact with applications and devices.

Key performance improvements come in the form of a highly optimized, re-written Qt GraphicsView rendering algorithm, a new OpenGL paint engine, WebKit, 2D vector graphic support using OpenVG, and new DirectFB support.

Complimenting the release of Qt 4.6 is an updated release of Qt Creator, a cross-platform IDE for Qt development. Qt Creator 1.3 and Qt 4.6 form the Qt SDK which contains everything developers need to create cross-platform applications.

To learn more about Qt 4.6, Qt Creator 1.3 and to download the packages, please visit

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