Qt 4.8 introduces many new features and improvements as well as bugfixes over the 4.7.x series. For more details, refer to the online documentation included in this distribution. The documentation is also available online: http://qt.nokia.com/doc/4.8 The Qt version 4.8 series is binary compatible with the 4.7.x series. Applications compiled for 4.7 will continue to run with 4.8. Some of the changes listed in this file include issue tracking numbers corresponding to tasks in the Qt Bug Tracker: http://bugreports.qt.nokia.com/ Each of these identifiers can be entered in the bug tracker to obtain more information about a particular change. **************************************************************************** * General * **************************************************************************** General Improvements -------------------- - Third party components ---------------------- - Updated libpng to version x.y.z **************************************************************************** * Library * **************************************************************************** QtCore ------ - Removed support for QT_NO_THREAD define for QHostInfo. - Optimized plugin loading on ELF platforms. Print failure reason at runtime with QT_DEBUG_PLUGINS=1 in environment. QtGui ----- - QTabBar: reduced minimumSizeHint if ElideMode is set. - QComboBox: Fixed a color propagation issue with the lineedit. [QTBUG-5950] QtOpenGL -------- - Removed dependency of OpenGL Utility Library (GLU) - Added QGLFunctions, which provides cross-platform access to the OpenGL/ES 2.0 API. - Including will not work in combination with GLEW, as QGLFunctions will undefine GLEW's defines. **************************************************************************** * Database Drivers * **************************************************************************** **************************************************************************** * Platform Specific Changes * **************************************************************************** Qt for Linux/X11 ---------------- Qt for Windows -------------- Qt for Mac OS X --------------- Qt for Embedded Linux --------------------- Qt for Windows CE ----------------- **************************************************************************** * Compiler Specific Changes * **************************************************************************** **************************************************************************** * Tools * **************************************************************************** - Build System - Assistant - Designer - Linguist - Linguist GUI - lupdate - lrelease - rcc - moc - uic - uic3 - qmake - configure - qtconfig - qt3to4 **************************************************************************** * Plugins * **************************************************************************** **************************************************************************** * Important Behavior Changes * ****************************************************************************