Qt 4.7.1 is a bug-fix release. It maintains both forward and backward
compatibility (source and binary) with Qt 4.7.0. 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.
Changes 4.7.0:
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.
* Added Spectrum analyzer demo application.
* Added exit softkey to Wiggly example.
* Added close button to Anomaly demo.
* Fixed Anomaly demo controlstrip icon placement for very small screens.
* Ensure history configuration is cleared when a state machine is restarted.
For more read: http://qt.nokia.com/developer/changes/changes-4.6.3
* Optimized empty QUrl creation
* Improve performance of getting the canonical filename on Linux
and Symbian by using realpath() system call.
* Avoid stat() when opening a file.
* Do not look at the Qt patch-level version embedded in plugins'
buildkeys when trying to determine if the plugin is compatible
* Bug-fixes
* load() and loadFromData() can now support compressed GL textures
in the DDS, ETC1, PVRTC2, and PVRTC4 formats if the OpenGL graphics
system is active and the appropriate extensions are present in the
GL implementation.
* Fixed a small leak when using the new QPixmapCache::Key based API.
* Updated application icons and other graphics to reflect the look
and feel of the new Qt brand.
* Copyright of Qt has been transferred to Nokia Corporation.
- Configuration/Compilation
* Fixed OpenBSD and NetBSD build issues.
- Legal
* Added information about the OpenSSL exception to the GPL.
- Documentation and Examples
* Added information about the TS file format used in Linguist.
* Moved platform and compiler support information from
www.trolltech.com into the documentation.
* Added an Accessibility overview document.
* Added new example to show usage of QCompleter with custom tree models.
- Translations
- Added support for the CP949 Korean Codec.
- [138140] The whole Qt source compiles with the QT_NO_CAST_FROM_ASCII
and QT_NO_CAST_TO_ASCII defines and therefore is more robust when
using codecs.
- Added support for HP-UX 11i (Itanium) with the aCC compiler
- Changed dialogs to respond much better to the LanguageChange event.
(i.e. run time translation now works much better.)
- Signals and slots
* [61295] Added Qt::BlockingQueuedConnection connection type, which
waits for all slots to be called before continuing.
* [128646] Ignore optional keywords specified in SIGNAL() and SLOT()
signatures (struct, class, and enum).
* Optimize emitting signals that do not have anything connected to them.
- [121629] Added support for the MinGW/MSYS platform.
- [102293] Added search path functionality (QDir::addSearchPath)
- Almost all widgets are now styleable using Qt Style Sheets.
This is a bug-fix release. It maintains both forward and backward
compatibility (source and binary) with Qt 4.2.0.
- Configuration/Compilation
* Fixed architecture detection on UltraSPARC-T1 systems.
* Fixed compilation on embedded architectures when qreal is not double.
- Documentation
* Completed documentation for "Implementing Atomic Operations",
which is useful for people porting Qt to a new hardware architecture.
- Translations
* Added a new unofficial Portuguese translation courtesy of Helder
Correia.
- Qt Linguist
* Made the columns in the phrasebook resizeable.
- lupdate
* Fixed bug in the .pro parser of lupdate. It should accept backslashes.
* Fixed a severe slowdown in lupdate. (~400x speedup.)
* Fixed traversal of subdirectories.
- moc
* Don't create trigraphs in the generated code for C++ casts.
- uic
* Fixed a bug that generated excessive margins for Q3GroupBox.
