原文见：
http://blog.qt.nokia.com/2012/04/11/qt-sdk-1-2-1-update-released/ The Qt
SDK 1.2.1, is now
available for download. It brings increased stability to the Qt SDK 1.2.
The updated SDK includes:
Qt 4.8.1 desktop installers for Mac and
Windows in addition to Qt sourcepackages. Qt 4.8.1 is the first patch release to the 4.8 series withover 200 functional improvements to the desktop and embedded platforms.
The focus of the error corrections, made by primarily by Digia, hasbeen on desktop and embedded platforms with a large number of fixesfocussed on QtCore, QtGUI and QtNetwork. For more details please see:
Qt 4.8 library releaseIncreased ease targeting Nokia N9 through bug fixes and added functionalityThe added functionality in the Qt SDK 1.2.1 relates mainly to improvedruntimes for testing. The Simulator now supports both landscape andportrait orientations. In addition, the Qt Quick Components in theSimulator have been upgraded to use the same version as is on thedevice. There are now three separate QEMU images – one each for PR1.0,PR1.1 and PR1.2.
In the last weeks there have also been some other updates that will help you with your Nokia N9 development:
An
example applicationshowcasing key Harmattan APIs. The application shows how to utilize QtMobility interfaces (e.g. maps, multimedia and sensor data) inapplications.
The
Harmattan developer library and
UX documentation have been updated. The latter is available online, and the former is also provided within the Harmattan target for Qt SDK.
Other interesting projects- Shader effects using QML. Have you noticed / tested the
Qt.labs.shaderspluginyet? It ships with Qt 4.7.4 onwards, making it easier to
make graphicaleffects with QML. A Qt 4 version of the demo is available here fordesktop and Nokia N9.
- For developers looking at 3D technologies, we released
Qt 3D 1.0 for Qt 4.8.1 today.
