[Qt-interest] Qt 4.6 Technology Preview Released

[nobody at trolltech.com]

We're pleased to announce that a Technology Preview of Qt 4.6 - the upcoming new version of the Qt cross-platform application and UI framework for desktop, embedded and mobile development - is now available for download, testing and feedback.  Qt 4.6 is scheduled for release in Q4 2009, with interim beta releases planned.

The Qt 4.6 Technology Preview provides a first look at a range of new features and optimizations aimed to allow users to:

- Create more exciting user experiences with advanced graphics effects, a
  new animation framework and support for multi-touch and gesture-based
  input methods
- Target new platforms - including Windows 7 and the new port to the Symbian
  platform with integration for the S60 framework
- Deliver better performance to their users through a rewritten rendering
  algorithm for Qt Graphics View new OpenGL paint engine, a JavaScriptCore
  based backend for the QtScript scripting engine and performance
  optimizations across the framework.

For more details on new features in Qt 4.6, and to download, visit the preview page at http://qt.nokia.com/developer/qt-4.6-technology-preview.

Upgrade to MinGW 4.4
--------------------
Qt 4.6 will introduce an upgrade to the more modern gcc 4.4 based MinGW compiler, and support for MinGW 3.4 will be dropped from Qt 4.6.0 forwards.

New QtScript Backend: A Note on Licensing
-----------------------------------------
Qt 4.6 introduces a new backend to the Qt Script scripting engine: JavaScriptCore, which is a WebKit component licensed under the GNU Lesser General Public License. The existing QtScript implementation will be available upon request for commercial Qt customers who cannot use LGPL code in their application, or who use a compiler that does not support WebKit. Commercial customers can contact their account manager to find out more.


DOWNLOAD THE TECHNOLOGY PREVIEW
-------------------------------
The Qt 4.6 Technology Preview is available under a special commercial technology preview license and GNU LGPL version 2.1.  Source code packages are available for download at:

http://qt.nokia.com/developer/qt-4.6-technology-preview.

HOW TO PROVIDE FEEDBACK
-----------------------
All feedback is welcome, and we encourage you to put this Technology Preview through its paces and share any bugs or suggestions.  There are several ways you can provide feedback:

1. Join the Qt feedback mailing list
2. Report a bug with the Qt task tracker
3. Contribute a bugfix through qt.gitorious.org

For more info on how to share your feedback, please visit the preview page at:
http://qt.nokia.com/developer/qt-4.6-technology-preview.

We hope you enjoy the Qt 4.6 Technology Preview!

--
The Qt Team

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