Just Announced: Qt 5 To Be Released Next Year
Written by Michael Larabel in Qt on 9 May 2011 at 08:26 AM EDT. 7 Comments
Just announced during the Ubuntu Developer Summit in Budapest is word that Qt 5 is in development and will be released in the next calendar year.

This announcement was supposed to take place next week, but news of it was just announced early from UDS Budapest. Qt 4 was the last major release of this tool-kit more than six years ago, but Qt 5 will come in the 2012 calendar year with several key improvements.

Qt 5 will be modularized, target Windows / Linux / Mac OS X as primary support targets, and deliver on Qt Quick 2.0. Qt Quick 2.0 will leverage OpenGL scene graph and support text scaling, shader effects, faster texture uploads, and v-sync driven animations. Using OpenGL scene graph should be a huge win alone and will be v-sync driven.

Qt 5 will largely be source-compatible with existing Qt 4 programs. Beyond the Qt Quick focus in Qt 5, this next major release will focus on making JavaScript become a first-class citizen in the Qt world.

Prior to Qt 5, the Qt 4.8 release will be here in just a few months. "In the next couple of months," it will be released. The Qt 4.8 release will focus on bug fixes and improving the performance. The file-system back-end has also been completely rewritten. There's also the new Lighthouse architecture. Using Lighthouse makes porting Qt new platforms -- like Android and iOS -- much easier.

Qt 4.8 will be more Wayland friendly with the Qt Compositor, but the real Wayland love should be here with Qt 5.

Nokia has also just announced that they will be moving Qt towards a matter of open governance for the open-source project. This will affect their work-flow, method of accepting patches, road-map development, release management, quality assurance, tooling, communication, etc.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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