path: root/dist/changes-4.8.3

Qt 4.8.3 is a bug-fix release. It maintains both forward and backward
compatibility (source and binary) with Qt 4.8.2. For more details,
refer to the online documentation included in this distribution. The
documentation is also available online:

http://qt-project.org/doc/qt-4.8/

The Qt version 4.8 series is binary compatible with the 4.7.x series.
Applications compiled for 4.7 will continue to run with 4.8.

Some of the changes listed in this file include issue tracking numbers
corresponding to tasks in the Qt Bug Tracker or the Merge Request queue
of the public source repository.

Qt Bug Tracker: http://bugreports.qt-project.org
Merge Request: http://codereview.qt-project.org

****************************************************************************
*                           General                                        *
****************************************************************************

General Improvements
--------------------
- Fixes for Mac OS X 10.8 Mountain Lion
- Webkit version updated to 2.2.3

Third party components
----------------------
- SQLITE_ENABLE_FTS3,SQLITE_ENABLE_FTS3_PARENTHESIS and SQLITE_ENABLE_RTREE
flags are now enabled by default on blackberry platforms, for the sqlite3
copy under the 3rdparty directory.

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

QtGui
-----
- Take account of spanned items in QTreeView when dragging [QTBUG-25140]
- Fix for clipped Vietnamese characters when typed with VKB [ou1cimx1#981433]
- Fix application font loading in basic font db [QTBUG-22063]
- Fix define to build without gtk style
- Fix bug when destruction fields in QWizard [QTBUG-25691]
- DirectFB: Improvement for QDirectFBPaintEngine::fill() [QTBUG-23850]
- QStatusBar::showMessage will always take new timeout [QTBUG-25492]
- Eliminate QTreeWidget drag crash [QTBUG-25333]
- Fix dangling pointer issue in QGraphicsItem focus handling [ou1cimx1#995710]
- AbstractItemView editorForIndex/indexForEditor speedup
- Speedup for QAbstractItemViewPrivate::delegateForIndex
- Restored native behavior when moving cursor from selection [QTCREATORBUG-7215]
- Fix infinite recursion while dragging toolbar of QMainWindow [QTBUG-21378]
- Fix possible crash when copying QImage [QTBUG-14766]
- Fix cursor truncate to include line position
- ARM: fix compilation with C++11 enabled
- qws: print the data directory
- Fix crash when column is inserted before rowspanned cell
- Fix infinite loop due to FPU limitation
- Widgets: Fix duplicated line in QMdiArea [QTBUG-17428]
- Fix null pointer bug when no QPA event integration is used
- Don't discard QPA mouse events without an associated window or widget
- Clean up qDebug statements
- Use improved QLibrary search heuristics for libgtk
- Accessibility: fix updates for models with rootIndex set
- Avoid crashes when invalidating a proxy model filter [QTBUG-26107]
- Make currentText the USER property for QComboBox [QTBUG-26501]
- Accessibility: Add missing break; (qaccessiblewidgets.cpp)
- Fix for restoring dockwidget's size when it gets dragged [QTBUG-2940]
- Implement QAccessibleLineEdit::characterRect()
- Fix QListWidget scrolling with keys when there are hidden items [QTBUG-21804]
- Fix undo and redo in QLineEdit when in password mode [QTBUG-14226]
- Make QStatusBar text available via accessibility
- Remove warning about non existing paint device engine [QTBUG-26047]
- Fix a QListViewItem width when spacing is set [QTBUG-21804]
- Take account of hidden items in QListView when using scrollTo [QTBUG-21804]
- Fixed the QTreeView expansion/collpasing when animated
- Speed up QTextEngine::setBoundary [QTBUG-8389]
- Fix limitting shortcuts to keypad only [QTBUG-20191]
- QPA: incorrect rendering when stretching and clipping
- Optimize QTextEngine::findItem by using a binary search [QTBUG-17209, QTBUG-231]

QtNetwork
---------
- Remove not present networks from QNetworkInterface::allInterfaces [QTBUG-18824]
- Use reference count to close down idle network session [QTBUG-15812]
- Windows 7 - fix nativewifi bearer plugin [QTBUG-24503]
- QFtp - implement fast abort for downloads [QTBUG-25494]
- QNetworkAccessManager - ensure abort reaches QFtp [QTBUG-25494]
- Connect bearer engines to manager with QueuedConnection
- Avoid emitting finished() before user can connect the signal [QTBUG-18824]
- QNetworkReply::setReadBufferSize fix for threaded http [QTBUG-25327]
- QHttpMultiPart: supply new line at the end of the body [QTBUG-25429]
- qhttpthreaddelegate: check that we have a reply set when reading
- QNetworkAccessManager: Read all from socket on remote host close
- QNetwork: fix compilation with no openssl
- Fix sending UDP packets to link local addresses [QTBUG-25634]
- Properly handle unexpected EOF in QHttpThreadDelegate [QTBUG-24738]
- Include scope ids in QHostAddress from QNetworkInterface [QTBUG-25634]
- Track active network replies without qFindChildren [QTBUG-15812]
- QNAM - maintain a weak reference to the QNetworkSession [ou1cimx#1004278]
- Ensure that Proxy-Connection: Keep-Alive is respected for HTTP 1.0 [QTBUG-26037]
- Change default Content-Type for http POST to match 4.7.4 [QTBUG-23350]
- Add null httpReply checks to QHttpThreadDelegate [QTBUG-26245]
- Use improved QLibrary search heuristics for libresolv
- Use improved QLibrary search heuristics for SSL
- Parse yearless date strings on leap years during LIST in QFtp [QTBUG-26911]

QtCore
------
- Fix crash with evaluation license
- Fix atomics on SPARC [QTBUG-22479]
- Fix composition (C/KC) of some sequences
- QElfParser: fix type of sh_size
- Fix cases where functions are called with a drive and no slash [QTBUG-25353]
- QRegExp: fix autotest, fix usage of uninitialized values
- QRegExp: fix crash [QTBUG-23352]
- Fix local variable is initialized but not referenced warning
- UCD 5.0: Apply Unicode Corrigendum #6 [QTBUG-25169]
- Fix qatomic inline asm for x32 ABI
- Avoid crash cancelling timer in wrong thread on terminate [ou1cimx1#1006699]
- Fix access to uninitialized pointer
- Only forward-declare some std classes if QT_NO_STL is defined
- Disable QAtomic assembly code for incompatible compilers
- QUrl: add missing detach() in setEncodedUrl
- Introduce ImprovedSearchHeuristics flag to QLibrary
- Use improved QLibrary search heuristics for ICU in QLocale
- QUrl: document that setIdnWhitelist isn't thread-safe
- Check for 0 before accessing the pointer (qlibrary.h)
- QUrl: fix thread safety
- QSharedPointer: make QT_SHAREDPOINTER_TRACK_POINTERS work with QObjects
- Fixes possible memory leak in QContiguousCache
- Display QThread name for debugging

QtScript
--------
- Fix crash when accessing QObject properties through activation object [QTBUG-21760]
- Fix crash when converting invalid JSValue to string [QTBUG-21896]
- Don't crash if queued signal handler no longer exists [QTBUG-26261]

QtDBus
------
- Fixed crash issue in QtDBus if D-Bus not installed [QTBUG-23128]
- Pass configured timeout to callWithCallback too
- qtdbus: Export org.freedesktop.DBus.Peer interface when introspected
- Use improved QLibrary search heuristics for loading libdbus

QtWebkit
--------
- Updated WebKit to 2.2.3
- Prospective build fix for Mac OS X Mountain Lion
- Fix build with GLib 2.31

QtSql
-----
- Fix memory leak in 64-bits ODBC driver [QTBUG-25256]
- QSqlTM: respect generated flag in insertRecord() and setRecord() [QTBUG-23592]

Declarative
-----------
- Fix crash in TextEdit when changing text content [QTBUG-25389]
- Clicking on a disabled ListView's delegate breaks mouse interaction [QTBUG-20584]
- Wrong signals received when moving Flickable element [QTBUG-25042]
- Fix memory leak in qdeclarativevisualdatamodel [QTBUG-25784]
- Fix crash when using aliases and variants [QTBUG-25341]
- Propagate left key presses to the parent item when TextInput is empty [QTBUG-25447]
- DeclarativeTextInput sends delayed mouse events to input context [ou1cimx1#1001264]
- Item.mapFromItem() crashes with Items not created by the engine [QTBUG-26280]
- Qml ListView highlight component cannot access ListView scope [QTBUG-26043]
- Fix roundtrip between double and string in QDeclarativeListModel leading to precision issues
- MouseArea: use current value of drag.axis [QTBUG-26440]
- XMLHttpRequest does not support the DELETE method [QTBUG-17963]
- Register less types for QtDeclarative/QCoreApplication
- Make connectNotify() work with QML [QTBUG-11284]

OpenGL
------
- Performance fix for OpenGL drawing [ou1cimx1#957423]
- QGLGlyphCache: Fix texture buffer overrun [QTBUG-23584]

3rdParty
--------
- Check that property descriptor members are valid before using them [QTBUG-17915]
- Fix JIT crash on x86-64 (avoid 32-bit branch offset overflow) [QTBUG-23871]

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

Qt for Linux/X11
----------------
- Fix compilation error on old Unix systems caused by ShapeInput
- XShaping drag and drop fixes
- Enable building with older SHAPE extension, or -no-xshape [QTBUG-24653, QTBUG-25281]
- Improve performance of QLibrary::load()
- Use improved QLibrary search heuristics in qapplication_x11.cpp
- Use improved QLibrary search heuristics in qgl_x11.cpp
- Fix duplicate mouse event being sent for LinuxInput touch events
- Fix valgrind errors due to "const char *getSystemLocale"
- Fix dangling pointer access during drag-n-drop operation [QTBUG-19363]

Qt for Windows
--------------
- Enable extra warnings for win32-g++ mkspecs
- Add OS version detection for Windows 8
- Fix QFile append on windows [QTBUG-25906]
- QWizard/Win: Drag window on Vista with only left mouse button
- QWizard/Win: Handle hit testing correctly for Vista style
- Drag and drop icon does not update correctly on Windows [QTBUG-22987]
- Clean buffers before closing the input device [QTBUG-24119]
- Allow frequences up to 96000 in win32 backend [QTBUG-26102]
- Added support for big endian data to QAudioOutput win32 backend [QTBUG-19881]
- Use utf8 to store audio device names in win32 backend [QTBUG-21398]
- Fix 'make install' when cross-compiling on Windows
- Install right version of tools when x-compiling
- QWizard/Win: Fix incorrect cached state after all wizards destroyed [QTBUG-27004]
- QWizard/Win: Fix vista helper cache state invalidation

Qt for Mac OS X
---------------
- Compile on Mac OS X with unsupported/macx-clang
- Mac: Remove "unsupported" warning for 10.8 (qglobal.h)
- Mac: Fix rendering of non-int sized fonts [QTCREATORBUG-7127]
- Ensure the mouse buttons are preserved when entering a widget [QTBUG-19353]
- Update macdeployqt plugin deployment logic
- Add Mac OS 10.8 QSysInfo enums
- Disable MacOSX 10.6+ locale code for iOS builds
- Mac: Don't crash if language preferences can't be retrieved [QTBUG-26547]

Qt for Symbian
--------------
- Fix Symbian key event code mapping in QSymbianControl [ou1cimx1#979068]
- On Symbian, use 16bit OpenGL if not enough GPU memory for 32bit [ou1cimx1#997217]
- Symbian: fix AlignedBlockAllocator initialization on emulator [ou1cimx1#998546]
- Symbian: inputcontext reports pointer events to FEP during inline edit [ou1cimx1#991638]
- Symbian: disable OpenVG as default on Symbian emulator builds [ou1cimx1#1005008]
- Symbian: create stub sis during build
- Removing potential crashes from out-of-thread cleanup on Symbian
- Enable smiley support for Symbian editors
- Fix for enter key inserting into password fields in Symbian

Qt for Windows Embedded
-----------------------
- Rewind macro in WinCE wrongly substituted [QTBUG-26227]
- Adding missing QT_BEGIN_HEADER/QT_END_HEADER (qnetworkfunctions_wince.h)

Qt for INTEGRITY
----------------
- Fix bug that made some autotests unrunnable on INTEGRITY target [QTBUG-24176]
- Updated HID drivers for INTEGRITY [QTBUG-24175]

Qt for BlackBerry\QNX
---------------------
- Use non-blocking reads on virtual keyboard pps device
- Use BPS based event handling
- Register for and handle screen events delivered through BPS
- Handle navigator events in BPS event filter
- Add implementation of virtual keyboard based on BPS events
- Emit signals to notify window (de)activation
- Advertise window (de)activation to Qt event system
- Enable some SQLITE extensions on BB by default
- QNX: Special case z-ordering of the QDesktopWidget window
- Add Blackberry path for SSL certificates
- [Blackberry] Fix deletion of dangling pointers [QTBUG-25796]
- Fix virtual keyboard setHeight() for Blackberry [QTBUG-26160]
- Enable MT screen event handling on Blackberry [QTBUG-26177]
- QNX: Flush after changing rotation
- Fix socket notifier registration on Blackberry
- [Blackberry] Fix event loop throughput issue
- Disable dedicated screen event thread by default
- Fix missing include in QWS shared memory
- QNX: fix compilation with C++11 enabled
- QNX: QtGlobal: compile as a C header again
- QNX: Set the default application font to Slate Pro on Blackberry
- Blackberry: Apply state from QWidget when creating new QBBWindow
- [Blackberry] Initialize dangling pointer
- License: Fix Blackberry/QNX license headers
- Backport fix screen event-registration failure
- Implementation of the BlackBerry Bearer engine
- Blackberry: Fix QFileSystemEngine::tempPath()

Other
-----
- Support high resolution screens in QUIKit plugin
- Support fallbacks fonts in UIKit plugin
- Moved CoreText (iOS) font database to shared font database plugin folder
- Remove QtDeclarative dependency from UIKit plugin
- Add common build flags required for iOS platform plugins (mkspecs)
- Use improved QLibrary search heuristics for QMeegoRuntime
- Update contact information in license headers
- Update Czech translation
- Update Polish translation
- uikit: Adapt readme and examples to recent changes
- uikit: Fix missing point to pixel conversions
- uikit: update screen geometry correctly for interface orientation
- Persian translation of Qt has been updated for 4.8

****************************************************************************
*                          Tools                                           *
****************************************************************************
- Remove build_all when target is same for debug and release (Tools)
- Fix Assistant crash when closing last tab [QTBUG-23986]
- Don't change the current page of mainwindow container (Designer) [QTBUG-12097]
- [Blackberry] Set default platform name for QPA (mkspecs)
- Fix compile issue on AIX (xlc compiler with the -qtls flag)
- makeqpf: Fixing range in character-generation
- Removed existing iOS mkspecs. Added Qt5 iOS mkspecs to unsupported
- Removed -qt-gif -configure option from documentation [QTBUG-25671]
- Clang: Do not warn about unused parameters (caused by ccache)
- QtDemo: Find installed examples on Windows
- Doc: removed incorrect reference to Q_OS_X11
- Doc: Fix QUrl::isLocalFile documentation [QTBUG-21293]
- Doc: Fix typo [QTBUG-23260, QTBUG-24317, QTBUG-23657, QTBUG-25577, QTBUG-25608]
- Examples: Add dockwidgets to the list of examples
- Properly handle include cycles (Linquist) [QTBUG-6587]
- Fix vcproj file generation for incredibuild handling of moc etc targets (mkspecs)
- Prepare QtHelp library for modularized documentation (Assistant)
- Fix deleting of QTreeWidget items (Designer) [QTBUG-26770]
- Typo in QApplication class ref (Documentation) [QTBUG-26891]
- Make sure the parent widget still exists (Designer) [QTCREATORBUG-7684]
- QNX: Enable QT_NO_IMPORT_QT47_QML (mkspecs)
- Decouple -lang-c++ from CXX command on QNX mkspecs
- QNX: Enable pre-compiled header support for QNX (mkspecs)
- QNX: Move qpa-based mkspecs out of the unsupported directory
- Add qmake CROSS_COMPILE variable via load(device_config)

configure
 - configure: Escape '{' in getQMakeConf2 function
 - Fix auto-detected QNX mkspec paths in configure
 - Support mkspecs in subdirs for xcompile under windows
 - New command line switches for configure.exe
 - Set correct QT_LFLAGS_SQLITE for default cases
 - Fix typo in configure for Mac: Libraries -> Library [QTBUG-18115]
 - Adding cflag -c to configure's --sysroot test
 - Add defaults for Blackberry platform on configure
 - Don't build qtscript when stl isn't available (configure) [QTBUG-7813]
 - Don't build qtscript when stdint.h isn't available (configure)
 - Add default QPA plugin option to 'configure'
 - Add configure options for debug/release OpenSSL
 - Disable 3DNOW on Blackberry/Win32
 - Minimal backport of --device-option support in configure
 - Add cross_compile to qconfig.pri for global advertising
 - Disable rpath, pkg-config, "reduce export" flag when x-compiling for mingw

qmake
 - Fix qmake hash function to use XOR
 - qmake: un-copy-and-pastify vcxproj generator a bit
 - qmake vcxproj generator: map TARGET_EXT to $(TargetExt) [QTBUG-26782]
 - Remove qurl.cpp from qmake and bootstrap