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Qt 5.2.1 is a bug-fix release. It maintains both forward and backward
compatibility (source and binary) with Qt 5.2.0.
For more details, refer to the online documentation included in this
distribution. The documentation is also available online:
http://qt-project.org/doc/qt-5.2
The Qt version 5.2 series is binary compatible with the 5.1.x series.
Applications compiled for 5.1 will continue to run with 5.2.
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.
****************************************************************************
* Important Behavior Changes *
****************************************************************************
- [QTBUG-34345][QTBUG-26008][QTBUG-26430] QPrinter no longer allows you to
set an invalid printer name.
- [QTBUG-34141] Parsing of Qt::ISODate by QDate::fromString() and
QDateTime()::fromString() is not as lenient as before, the date
component separators are now required to be non-numeric. This means a
string like "2000901901" will no longer be recognized as a valid ISO
Date, but "2000/01/01" will still be even though it doesn't strictly
meet the ISO format of "2000-01-01".
****************************************************************************
* Library *
****************************************************************************
QtCore
------
- [QTBUG-35069] Fixed a bug that caused negative number input using '-' to
be rejected because the current locale uses U+2212. QLocale::toString()
as well as QIntValidator and QDoubleValidator now accept both '-' and
U+2212, as well as the locale minus sign. QString also accepts '-' and
U+2212.
- Fixed sign conversion warnings in code using QMetaTypeId.
- QProcess:
* [QTBUG-35357] Fixed a regression from Qt4 in QProcess that
prevented altering the pipe modes of stdin in the child process.
- QTemporaryDir:
* Fixed a bug in QTemporaryDir name generator that dramatically reduced
randomness of the name.
- QThread:
* [QTBUG-34840] Fixed handle leaks on Windows.
QtGui
-----
- [QTBUG-35421] Fixed crash when sending accessibility updates when the
corresponding widget does not have a corresponding QAccessibleInterface.
This showed on Mac for example with QStatusBar.
- Qt's generic font database now adds OpenType fonts (.otf).
- Accessibility
* On Linux action names were returned as empty strings in AT-SPI
getActions, now returns the proper names.
- QKeySequence:
* [QTBUG-24406] return Qt::Key_unknown with invalid modifiers on OS X
- Text:
* [QTBUG-35740] Fixed regression when shaping some strings containing
characters from multiple fonts.
QtPrintSupport
--------------
- [QTBUG-34700][QTBUG-35500] Fixed bugs that caused QtPrintSupport
not to report the correct the paper sizes on Windows and on OS X.
QtSql
-----
- IBase support:
* [QTBUG-33345] Custom port numbers are now supported.
* [QTBUG-13435] Fixed the internal state of IBase driver after a failed
open call.
- MySQL / MariaDB support:
* [QTBUG-31124] Fixed handling of fractions of second.
- Oracle support:
* [QTBUG-34794] Fixed the compilation
- Sqlite support:
* [QTBUG-24200] Fixed handling of fractions of second.
* [QTBUG-35186] Fixed evaluation of driver options
QtTestLib
---------
- [QTBUG-34630] The (default) plain text logger on Windows now logs to
either the system debug log (in case no console is open), or stdout, not
both.
QtWidgets
---------
- QSpinBox:
* [QTBUG-20691] Entering positive values with the '+' prefix is now
allowed.
****************************************************************************
* Platform Specific Changes *
****************************************************************************
Android
-------
- [QTBUG-34984] Added workarounds for OpenGL bugs on Samsung Galaxy
Tab 3.
OS X
----
- [QTBUG-34411] Implemented QMainWindow::setUnifiedTitleAndToolBarOnMac.
X11 / XCB
---------
- [QTBUG-32683] Fixed a bug that caused Qt applications to think the
screen DPI had changed when it had not, after connecting or
disconnecting monitors.
Windows
-------
- [QTBUG-8361] Maximizing frameless windows will no longer cover the
taskbar
- [QTBUG-34799] Updated QWidgetBackingStore and the Windows
implementation to support Qt::WA_StaticContents.
****************************************************************************
* Tools *
****************************************************************************
qmake
-----
- [QTBUG-35530] Fixed the detection of multiple VS installations.
- [QTBUG-35610] Fixed the generation of VS 2010 project files.
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