Qt 5.1.1 is a bug-fix release. It maintains both forward and backward
compatibility (source and binary) with Qt 5.1.0.

For more details, refer to the online documentation included in this
distribution. The documentation is also available online:

  http://qt-project.org/doc/qt-5.1/

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                                        *
****************************************************************************

 - Add support for Visual Studio 2013
 - Remove obsolete 'register' C keyword
 - Speed up font database loading with fontconfig
 - [QTBUG-32284] Fix incomplete override of QIODevice::open in QProcess and QLocalSocket

****************************************************************************
*                          Library                                         *
****************************************************************************

QtCore
------

 - Add basic conversion functions from QVariant(QJsonValue)
 - Fix crash when re-creating QThreadData after initially destroying it
 - Fix the host_bins variable in the QtCore pkg-config file
 - QUrl stringprep: fix handling of U+0080: it's prohibited
 - QUrl stringprep: avoid recalculating the surrogates we already know
 - QUrl stringprep: fix handling of prohibited characters
 - QUrl stringprep: fix case folding from non-BMP to BMP
 - QUrl stringprep: recalculate the current position if the size changes
 - [QTBUG-24345] Prevent negative size in QBitArray, QVector and QVarLengthArray ctors
 - [QTBUG-25732] Mention QRect's int min/max constraints in detailed description
 - [QTBUG-29391] fix infinite loop in QProcessPrivate::drainOutputPipes
 - [QTBUG-29391] QWinOverlappedIoNotifier: fix race condition
 - [QTBUG-31341] Fix watch of files/folders with special characters
 - [QTBUG-31606] Fix dead lock in the Qt event handling
 - [QTBUG-31926] Fix the number precision in QJsonDocument.toJson() again
 - [QTBUG-32100] Remove default argument from declarations of qHash as friend
 - [QTBUG-32314] QDir::mkpath shouldn't fail if parent directory denies access
 - [QTBUG-32354] fix endless loop in QProcess/Win drainOutputPipes
 - [QTBUG-32500] Ensure that the user codecs are listed in QTextCodec::availableCodecs

QtDBus
------

 - [QTBUG-27973] Fix disconnectFrom{Peer,Bus} when the connection failed
 - [QTBUG-31932] Don't crash if the relayed signal was emitted from the wrong thread
 - [QTBUG-32374] Fix QDBusAbstractInterface::isValid() for peer connections

QtGui
-----

 - Restore smooth-scaled drawing of 0.5x-2.0x scaled glyphs in the GL engine
 - QIcon: Avoid fetching twice the same pixmap
 - Fix FBO restoring in QOpenGLTextureGlyphCache
 - [QTBUG-28284] Set projection matrix for systems with OpenGL 3.1
 - [QTBUG-31443] QPdfWriter: Fix setting of paper size
 - [QTBUG-32193] REG: Fix crash when mixing projected/unprojected text painting
 - [QTBUG-32433] Detect popup window correctly in modal window blocked handling

QtNetwork
---------

 - Correct algorithm for digest auth when using the CONNECT verb
 - Add reconnect attempts in more cases in QHttpNetworkConnectionChannel
 - [QTBUG-32404] HTTP internals: do not access reply that was deleted already
 - [QTBUG-32534] QHttpMultiPart: fix data corruption in readData method

QtPrintSupport
--------------

 - [QTBUG-31790] Initialize UI of widget-based dialog.

QtWidgets
---------

 - Display sizegrip on QMdiSubWindows, even on OS X 10.7 and later
 - Check if widget inherits from QTextEdit when drawing the frame
 - Fix QWidget::isActiveWindow for window containers
 - Hide placeholder text when QLineEdit has preedit text
 - [QTBUG-19036] Make *ItemBoundingRect modes work with custom shapes.
 - [QTBUG-29945] Fix dropshadow and blur graphics effects
 - [QTBUG-31044] QDockWidget: Keep position when undocking
 - [QTBUG-31569] If a QWidget is ignored for auto-quit, ignore its corresponding QWindow
 - [QTBUG-31664] Recognize separator item in QMenu
 - [QTBUG-31904] Fix rotation of text in vertical QDockWidget titlebars in QFusionStyle
 - [QTBUG-32054] Set correct cell when selecting custom color cell with arrow keys
 - [QTBUG-32061] Fix the cursor position of an empty QLineEdit with a placeholder text
 - [QTBUG-32177] Search toplevel when setting the active window from focus window
 - [QTBUG-32260] Consider virtual screen when determining dock widget visibility


****************************************************************************
*                      Platform Specific Changes                           *
****************************************************************************

Qt for Linux
------------

 - XCB: Don't use Xlib's XBell() function
 - XCB: Append 0-character to atom name string
 - Resolve modifier mask conflicts on X11
 - Fix system tray icon on X11
 - [QTBUG-31418] Fix for when we don't have XSettings
 - [QTBUG-32274] Fix handling of non-latin1 shortcuts

Qt for Mac
----------

 - Disable window restoration for the Mac font panel
 - Simplify qt_mac_cgimage_to_nsimage code
 - QMacStyle: fix auto-default button animation
 - Make the macx-xcode spec a wrapper around the default spec
 - Scope cached Mac SDK tool values by mkspec
 - Further followup to Q_OS_MACX changes
 - Fix QSpinBox clipping issue on Mac when frame=false
 - QMacStyle: enable scroll style changes for non-QScrollBars
 - Support Mac key equivalent Cmd+Period
 - Re-establish platform menu QObject hierarchy
 - [QTBUG-28336] Fixed broken prl files in debug-and-release framework builds of qt
 - [QTBUG-31477] Let Cocoa pick the right pixmap for menu item icons
 - [QTBUG-31532] Don't update the menubar when popups are shown
 - [QTBUG-31619] Cocoa save file dialog behavior fix
 - [QTBUG-31819] Fix shared color panel usage
 - [QTBUG-31562] Fix for OS X QFileDialog showing bundle as directory
 - [QTBUG-32440] Avoid a potential crash in unignoredChildren
 - [QTBUG-32831] Don't release the printer after using it to change a property

Qt for Windows
--------------

 - Clear window under mouse in destruction of platform window
 - Prevent activation of windows with Qt::WindowDoesNotAcceptFocus
 - Better errorhandling for the fontengine on WINCE
 - Windows: Synthesize expose event for shrinking windows
 - Windows font database: Resolve aliases for extra fonts
 - Bugfix QDesktopServices on Windows
 - ActiveQt: Pass native parent handle property from widget to widget window
 - REG: Fix character size when exporting PDF on Windows
 - Fix crash caused by ~QWindowsWindow flushing the event queue
 - Show native file dialog on Windows XP Professional x64 Edition
 - Fix detection of synthesized mouse events for MSVC / 64bit
 - Display a message box if platform plugin cannot be found
 - Fix auto-enabling of windows style
 - Fixes QKeyEvent::count() on Windows

Qt for BlackBerry
-----------------

 - Disable xkbcommon when building for QNX from Windows
 - [QTBUG-32385] Handle Qt::WindowDoesNotAcceptFocus correctly

Qt for Android
--------------

 - Get SSL root certificates from TrustManager
 - Adjust to new SDK layout on Windows
 - Make PCRE's JIT work on Android devices

Qt for iOS
----------

 - iOS: Make sure we're deleting framebuffers in the right context

****************************************************************************
*                          Tools                                           *
****************************************************************************

- configure

 * [QTBUG-5366] Complain about bad arguments to -make/-nomake
 * [QTBUG-21778] Catch accidental use of -no-make
 * [QTBUG-28763] Don't enable EGL support if OpenGL is disabled

- cmake config files

 * Use absolute path in the /usr move workaround if -libdir is specified
 * Always use forward slashes in paths passed to cmake
 * Make clients use the QT_NO_DEBUG flag when using QtCore in release mode
 * [QTBUG-32134] Add path to the headers in frameworks to the include dirs
 * [QTBUG-32466] Don't check for the existence of private include directories

- qmake

 * [QTBUG-5301] basic manifest tool support in vc(x)proj generator
 * [QTBUG-19352] Resolve output of .depend_command relative to $$OUT_PWD
 * [QTBUG-29826] Only add the res_file to the generated files if there is no rc_file
 * [QTBUG-29988] VPATH resolution: don't crash when $(FOO) expands to nothing
 * [QTBUG-30993] Changed project dependencies for solution files
 * [QTBUG-31877] Make $$list() more backwards-compatible regarding backslashes
 * [QTBUG-31975] MANIFEST:NO is not written to vcproj
 * [QTBUG-32326] Escape paths coming from prl files