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Qt 4.7 introduces many new features and improvements as well as bugfixes
over the 4.6.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/4.7
The Qt version 4.7 series is binary compatible with the 4.6.x series.
Applications compiled for 4.6 will continue to run with 4.7.
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
--------------------
- Documentation and Examples
- Support for the GL_EXT_geometry_shader4, aka Geometry Shaders, was added
to QGLShaderProgram.
New features
------------
- QNetworkSession, QNetworkConfiguration, QNetworkConfigurationManager
* New bearer management classes added.
Third party components
----------------------
- Updated libpng to version 1.4.0
- Updated libjpeg to version 8
- Updated libtiff to version 3.9.2
****************************************************************************
* Library *
****************************************************************************
QtCore
------
- QXmlStreamReader
* [QTBUG-9196] fixed crash when parsing
- QTimer
* singleShot with 0 timeout will now avoid allocating objects
QtGui
-----
- QAbstractItemView
* Fixed a bug that would cause keyboard searches not to behave
properly when used within 400 milliseconds of midnight.
- QPrinter
* Obsoleted the slightly confusing setNumCopies() and numCopies()
functions, and replaced them with setCopyCount(), copyCount() and
supportsMultipleCopies().
- QCommonStyle
* Fixed a bug that led to missing text pixels in QTabBar when using
small font sizes. (QTBUG-7137)
- QImage
* Added QImage::bitPlaneCount(). (QTBUG-7982)
QtNetwork
---------
- QHostInfo: Added a small 60 second DNS cache
- QNetworkAccessManager
* Performance improvements for file:// and http://
* Crash fixes
* Improvements on HTTP pipelining
* Fix problem with canReadLine()
* Fix problem with HTTP 100 reply
* Some new attributes for QNetworkRequest
* [QTBUG-8206] add method to send custom requests
* [QTBUG-9618] [MR 2372] send secure cookies only over secure connections
* [QTBUG-7713] Fix bug related to re-sending request
* [QTBUG-7673] Fix issue with some webservers
- Sockets
* Better support for derived QTcpServer
* [QTBUG-7054] Fix error handling with waitFor*() for socket engine
* [QTBUG-7316, QTBUG-7317] Also handle unknown errors from socket engine
- SSL
* [QTBUG-2515] Do not make OpenSSL prompt for a password
* [QTBUG-6504, QTBUG-8924, QTBUG-5645] Fix memleak
QtXmlPatterns
-------------
- [QTBUG-8920] fixed crash with anonymous types in XsdSchemaChecker
- [QTBUG-8394] include/import/redefine schemas only once
- QXmlSchema: fix crash with referencing elements
Qt Plugins
----------
- Jpeg image IO plugin
* Fixed failure to store certain QImage formats as jpeg (QTBUG-7780)
* Optimized smoothscaling
* Optimized to avoid data copy when reading from memory device (QTBUG-9095)
- SVG image IO plugin
* Added support for svgz format (QTBUG-8227)
* Fixed canRead() so that it can be used also for non-sequential
devices. (QTBUG-9053)
* Added support for clipping and scaling and backgroundcolor
* Optimized to avoid data copy when reading from memory device (QTBUG-9095)
****************************************************************************
* Database Drivers *
****************************************************************************
****************************************************************************
* Platform Specific Changes *
****************************************************************************
Qt for Linux/X11
----------------
Qt for Windows
--------------
- QLocalSocket
* Pipe handle leak fixed, when closing a QLocalSocket that still has
unwritten data. (QTBUG-7815)
* Fixed closing state for local sockets with unwritten data. (QTBUG-9681)
* Detection of Windows mobile 6.5 fixed. (QTBUG-8418)
* Improved performance of writing to QLocalSocket.
Qt for Mac OS X
---------------
Qt for Embedded Linux
---------------------
Qt for Windows CE
-----------------
- Core changes
* Fixed menu handling on Windows mobile. (QTBUG-8754)
* Fixed a crash when receiving a certain type of WM_SETTINGSCHANGE
message. (QTBUG-7943)
- QWindowsMobileStyle
* Huge performance penalty for QTabWidget fixed for
Windows mobile 6.5. (QTBUG-8419)
* QTabBar scroll button size has been fixed. (QTBUG-8757)
****************************************************************************
* Compiler Specific Changes *
****************************************************************************
****************************************************************************
* Tools *
****************************************************************************
- Build System
- "configure -fast" on Windows now also works for other make tools than
nmake. (QTBUG-8562)
- Assistant
- Designer
- Linguist
- Linguist GUI
- lupdate
- lrelease
- rcc
- moc
- uic
- uic3
- qmake
- configure
- qtconfig
- qt3to4
****************************************************************************
* Plugins *
****************************************************************************
****************************************************************************
* Important Behavior Changes *
****************************************************************************
|
