Qt 4.5 Tech Preview Released
Qt Software today released a Technology Preview of Qt 4.5 – the upcoming new version of its cross-platform application framework for desktop and embedded development. Preview packages are now available to commercial and open source users for download, testing and feedback.
The Technology Preview provides a first, complete look at new Qt features – all of which are aimed at achieving the three primary design goals for the Qt 4.5 release:
Improve the runtime performance of Qt-based applications
Qt 4.5 brings a new performance benchmarking library, focused re-engineering of key functionality, and a new pluggable graphics system – all aimed at increasing the performance of Qt-based applications. As most engineering work has been done to the core Qt API, in most cases Qt users need only to upgrade to Qt 4.5 to realize performance benefits immediately.
Allow Qt users to realize the full potential of WebKit
Qt integrates with the WebKit browser engine, and with Qt 4.5 that integration has been upgraded to utilize the latest version of WebKit. Qt users can now preview new Netscape plug in support – which allows developers to incorporate Flash™ content – added support for HTML 5, and integration with a new JavaScript engine, SquirrelFish.
Futureproof Qt users’ investments on the Mac® platform with added 64-bit support
Continuing the Qt tradition of insulating developers from platform-specific changes, Qt 4.5 adds support for developing 64-bit applications on top of the new Mac Cocoa API, making it possible for Qt developers to deploy resource-intensive applications to the latest version of the Mac OS (10.5).
The Technology Preview provides a first, complete look at new Qt features – all of which are aimed at achieving the three primary design goals for the Qt 4.5 release:
Improve the runtime performance of Qt-based applications
Qt 4.5 brings a new performance benchmarking library, focused re-engineering of key functionality, and a new pluggable graphics system – all aimed at increasing the performance of Qt-based applications. As most engineering work has been done to the core Qt API, in most cases Qt users need only to upgrade to Qt 4.5 to realize performance benefits immediately.
Allow Qt users to realize the full potential of WebKit
Qt integrates with the WebKit browser engine, and with Qt 4.5 that integration has been upgraded to utilize the latest version of WebKit. Qt users can now preview new Netscape plug in support – which allows developers to incorporate Flash™ content – added support for HTML 5, and integration with a new JavaScript engine, SquirrelFish.
Futureproof Qt users’ investments on the Mac® platform with added 64-bit support
Continuing the Qt tradition of insulating developers from platform-specific changes, Qt 4.5 adds support for developing 64-bit applications on top of the new Mac Cocoa API, making it possible for Qt developers to deploy resource-intensive applications to the latest version of the Mac OS (10.5).
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