Qt 5.1 introduces many new features and improvements as well as bugfixes over the 5.0.x series. For more details, refer to the online documentation included in this distribution. The documentation is also available online: http://qt-project.org/doc/qt-5.1 The Qt version 5.1 series is binary compatible with the 5.0.x series. Applications compiled for 5.0 will continue to run with 5.1. Some of the changes listed in this file include issue tracking numbers corresponding to tasks in the Qt Bug Tracker: http://bugreports.qt-project.org/ Each of these identifiers can be entered in the bug tracker to obtain more information about a particular change. **************************************************************************** * General * **************************************************************************** General Improvements -------------------- - Q_PROPERTY gained a MEMBER attribute that let you associate a property to a class member without requiring to explicitly writing a getter or a setter Third party components ---------------------- - **************************************************************************** * Important Behavior Changes * **************************************************************************** - QtWidgets * [QTBUG-8836] QAbstractItemView now allows manual deselect in SingleSelection mode (with control modifier) - QtCore * The serialization behavior for QDateTime has reverted to pre-Qt 5, due to the issue mentioned in section 4 here: http://lists.qt-project.org/pipermail/development/2013-March/010559.html This means that the QDataStream version will be 14 with Qt 5.1. **************************************************************************** * Library * **************************************************************************** QtCore ------ - QRect: * Added marginsAdded(), marginsRemoved() and operators +, -, +=, -= taking a QMargins object allowing for conveniently adding or removing margins. - QMargins: * Added operators for adding and subtracting QMargins objects, multiplication and division for int/qreal and unary minus. - QMessageAuthenticationCode * New class for hash-based message authentication code added to QtCore. - QRegularExpression * It's now possible to know the names of the named capturing groups inside the pattern string, as well as the numerical index of each named capturing group. - QPointer * It is now possible to create a QPointer with a const templated type. - QtGui ----- - QOffscreenSurface * New class for rendering graphics using OpenGL in an arbitrary thread without needing to use a hidden QWindow. QtNetwork --------- - QNetworkAccessManager / QNetworkReply: * Add a new encrypted() signal so that applications can perform additional checks on the certificate chain. - QSslSocket: * Support for sending intermediate certificates when QSslSocket is used as a server, and when using client certificates. - HTTPS internals: * SSL sessions are re-used by default. - QHostInfo: * Allow QHostInfo::lookupHost() with no receiver to warm the DNS cache. QtSql ----- This changelog as released was missing QtSql changes. Please refer to changes-5.2.0 for QtSql 5.1.0 changes. QtWidgets --------- - QGraphicsView: * Added function rubberBandRect() and signal rubberBandChanged. **************************************************************************** * 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 * **************************************************************************** - qmake * Windows: The feature of finding the highest version number of LIBS entries is turned off by default. It can be turned on with "CONFIG += link_highest_lib_version". **************************************************************************** * Plugins * ****************************************************************************