| 1 | Qt 4.6.2 is a bug-fix release. It maintains both forward and backward
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| 2 | compatibility (source and binary) with Qt 4.6.0 and 4.6.1. For more
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| 3 | details, refer to the online documentation included in this
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| 4 | distribution. The documentation is also available online:
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| 5 |
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| 6 | http://qt.nokia.com/doc/4.6
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| 7 |
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| 8 | The Qt version 4.6 series is binary compatible with the 4.5.x series.
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| 9 | Applications compiled for 4.5 will continue to run with 4.6.
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| 10 |
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| 11 | Some of the changes listed in this file include issue tracking numbers
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| 12 | corresponding to tasks in the Qt Bug Tracker, the (now obsolete) Task
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| 13 | Tracker, or the Merge Request queue of the public source repository.
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| 14 |
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| 15 | Qt Bug Tracker: http://bugreports.qt.nokia.com
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| 16 | Task Tracker: http://qt.nokia.com/developer/task-tracker
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| 17 | Merge Request: http://qt.gitorious.org
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| 18 |
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| 19 |
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| 20 | ****************************************************************************
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| 21 | * Library *
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| 22 | ****************************************************************************
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| 23 |
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| 24 | QtCore
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| 25 | ------
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| 26 |
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| 27 | - QAtomicPointer
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| 28 | * [QTBUG-7356] Fixed a compilation failure when using the Intel
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| 29 | compiler on IA-64
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| 30 | - QFile
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| 31 | * Fixed double-buffering issue when opening files in buffered mode.
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| 32 | * [QTBUG-7285] QFile::remove would() fail if an unrelated operation on the
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| 33 | same instance had been previously failed. This manifested itself in
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| 34 | QTemporaryFile failing to auto-remove files and QFile::copy() leaving
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| 35 | temporary files behind in certain situations.
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| 36 | - QFSFileEngine
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| 37 | * Fix typo that made realpath() not be used.
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| 38 | - QIODevice
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| 39 | * Optimized readAll().
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| 40 | - QReadWriteLock
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| 41 | * [MR 426] Fixed documentation.
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| 42 | - QXmlStreamWriter
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| 43 | * [QTBUG-6893] Fixed adding extra Byte Order Marks when writing to a
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| 44 | .xml file.
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| 45 |
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| 46 | QtGui
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| 47 | -----
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| 48 |
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| 49 | - QApplication
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| 50 | * [QTBUG-6098] Added a flag to avoid construction of application panes.
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| 51 | * [QTBUG-7029] Fixed a crash when re-creating QApplication object due
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| 52 | to a dangling gesture manager pointer.
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| 53 | - QAbstractScrollArea
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| 54 | * [QTBUG-1760] Reverted horizontal scrolling with mouse wheel when vertical
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| 55 | scrollbar is hidden
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| 56 | - QBmpHandler
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| 57 | * [QTBUG-7530] Fixed an infinite loop that could occur when reading invalid
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| 58 | BMP images.
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| 59 | - QGraphicsEffect
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| 60 | * [QTBUG-6901] Fixed performance problem when translating items with
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| 61 | graphics effects.
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| 62 | - QImage
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| 63 | * [QTBUG-7231] Avoid an unnecessary copy in QImage::scaled().
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| 64 | - QInputContext
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| 65 | * [QTBUG-7439] Avoided the loss of preedit text when losing focus on
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| 66 | Symbian.
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| 67 | - QPDFEngine
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| 68 | * [QTBUG-7249] Fixed the encoding of the Tile and Creator tags in the PDF
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| 69 | engine.
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| 70 | - [QT-2629] Implemented event filter functions for Symbian.
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| 71 | - [QTBUG-7198] Setting a style sheet could break the checkbox position in
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| 72 | item views.
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| 73 | - [QTBUG-7253] Fixed wrong stroke clipping with the raster engine when using
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| 74 | a QPen with a style other than SolidLine.
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| 75 |
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| 76 | QtDBus
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| 77 | ------
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| 78 |
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| 79 | - QDBusConnection
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| 80 | * [QT-2307] Fixed sending of D-Bus method calls with QDBus::BlockWithGui.
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| 81 |
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| 82 | QtNetwork
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| 83 | ---------
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| 84 |
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| 85 | - QNetworkAccessManager
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| 86 | * Optimizations
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| 87 | * HTTP: Get rid of QAbstractSocket warnings that were sometimes displayed.
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| 88 | * HTTP: setReadBufferSize() of the QNetworkReply finally is working on all
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| 89 | layers.
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| 90 | * [QTBUG-7713] HTTP: Fix bug related to re-sending a request.
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| 91 | * [QTBUG-7060] Fixed an issue with parsing of HTTP headers like
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| 92 | "private, max-age=300".
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| 93 | - QSslCertificate
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| 94 | * [QTBUG-6466] Fix issuerInfo() and subjectInfo().
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| 95 | - QTcpSocket
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| 96 | * [QTBUG-7344] Fix performance degredation with write() on Windows.
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| 97 | * [QTBUG-7316,QTBUG-7317] Handle unknown errors from socket engine.
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| 98 |
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| 99 | QtOpenGL
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| 100 | --------
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| 101 |
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| 102 | - [QTBUG-7490] Better support for user-generated binary shaders.
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| 103 | - QGLPixelBuffer
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| 104 | * [QTBUG-7476] Fixed a crash under X11 when drawing QPixmaps to
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| 105 | QGLPixelBuffers.
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| 106 | - QGL2PaintEngineEx
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| 107 | * [QTBUG-7203] Reset the GL stencil mask, op and function in resetGLState().
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| 108 | - QGLWidget
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| 109 | * [QTBUG-7213] Fixed QGLWidget::renderPixmap() on Windows.
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| 110 |
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| 111 |
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| 112 | QtOpenVG
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| 113 | --------
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| 114 |
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| 115 | - [QTBUG-7791] Optimize single-rect IntersectClip in OpenVG using the scissor.
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| 116 | - [QTBUG-7864] Use OpenVG scissor on 90/180/270 rotations and simple clips.
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| 117 |
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| 118 | QtMultimedia
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| 119 | ------------
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| 120 |
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| 121 | - QAudioInput
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| 122 | * [QTBUG-7044]: QAudioInput stopped working correctly after
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| 123 | suspend()/resume() on linux.
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| 124 |
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| 125 | Examples
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| 126 | --------
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| 127 |
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| 128 | - QtMultimedia
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| 129 | * [MR 418] Fixed the example for QAudioOutput.
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| 130 | - WebKit
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| 131 | * [MR 2235] Added the framecapture example to the default build.
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| 132 |
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| 133 |
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| 134 | ****************************************************************************
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| 135 | * Platform Specific Changes *
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| 136 | ****************************************************************************
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| 137 |
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| 138 | Qt for Linux/X11
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| 139 | ----------------
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| 140 | - Fix a bug where QPixmap::serialNumber was not set on a transformed pixmap
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| 141 | in Qt/X11.
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| 142 | - Fixed a crash when an input method tries to create a widget after the
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| 143 | application is destroyed.
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| 144 | - [QTBUG-6952] Fixed a problem using NoButtons in spinbox with QGtkStyle.
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| 145 | - [QTBUG-7504] Fixed missing focus rect on check- and radiobutton with
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| 146 | some GTK+ themes.
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| 147 | - [QTBUG-6522] Fixed missing menu separator in some GTK+ themes.
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| 148 |
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| 149 | Qt for Mac OS X
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| 150 | ---------------
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| 151 |
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| 152 | - [QTBUG-7832]: Restored missing margins around non-unified toolbars.
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| 153 | - [QTBUG-7312]: Menubar and dock disappear after hiding a fullscreen widget
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| 154 | on Cocoa.
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| 155 | - [QTBUG-7481]: Re-added the Close button in QPrintPreviewDialog for
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| 156 | Mac/Carbon.
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| 157 | - [QTBUG-7522]: Drawing fake buttons using QMacStyle+QStyleOptionViewItemV4
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| 158 | lead to crash.
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| 159 | - [QTBUG-7625]: Calling showFullScreen() then showNormal() on a widget results
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| 160 | in top menu hiding.
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| 161 | - [QTBUG-7086]: QFileDialog now correctly responds to fileMode & acceptMode
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| 162 | changes.
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| 163 | - [QTBUG-7162]: Fixed a crash in Designer when previewing a QMainWindow with
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| 164 | native toolbar.
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| 165 | - [QTBUG-7305]: Fixed a crash when deleting QMainWindow with native toolbar
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| 166 | on Cocoa.
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| 167 | - [QTBUG-6882]: Fixed a text layout issue with QHeaderView in right-to-left
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| 168 | mode.
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| 169 |
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| 170 | DirectFB
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| 171 | --------
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| 172 |
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| 173 | - Fix a bug where QPixmap::serialNumber was not set on a transformed pixmap
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| 174 | in DirectFB.
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| 175 | - Reimplement QPixmapData::scroll for QDirectFBPixmapData which optimizes
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| 176 | QPixmap::scroll.
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| 177 | - Fix a rendering issue for semi-transparent top level windows in DirectFB.
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| 178 | - Make it possible to fall back to the raster engine for stretch blits in
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| 179 | DirectFB using QT_NO_DIRECTFB_STRETCHBLIT.
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| 180 |
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| 181 | Qt for Symbian
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| 182 | --------------
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| 183 |
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| 184 | - [QTBUG-6556] Improve the DEF file handling scheme, to allow simple enable/
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| 185 | disable of DEF file usage (for use _during development only_ to decouple
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| 186 | the need to update the DEF files at the precise point that symbols are
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| 187 | removed, therefore allowing builds by CI systems to succeed even if symbols
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| 188 | have been removed. This does not remove the need to update the DEF files
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| 189 | before release. NOTE: Builds generated using this flag are not binary
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| 190 | compatible with previous versions of Qt.)
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| 191 | - QProcess
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| 192 | * [QTBUG-7667] Fixed no-timeout case for QProcess::waitForFinished.
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| 193 | - qmake
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| 194 | * [QTBUG-7695] Added support for ifdeffing for manufacturer in generated
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| 195 | pkg files.
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| 196 | * [QTBUG-7908] Smart installer package generation support.
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| 197 | - Patch_capabilities script
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| 198 | * Added support for embedded sis name/uid patching.
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| 199 | - Qt deployment
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| 200 | * [QTBUG-7518] Backup and restore support for Qt libs.
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| 201 |
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| 202 |
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| 203 | ****************************************************************************
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| 204 | * Tools *
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| 205 | ****************************************************************************
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| 206 |
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| 207 | - Designer
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| 208 | * [QTBUG-6965] Enabled editing seconds of QDateTime-type properties.
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| 209 | * [QTBUG-6757] Fixed bug where selection handles would be affected by
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| 210 | a style sheet set on the main form.
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| 211 |
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| 212 | - uic3
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| 213 | * [QTBUG-7404] Added option to preserve layout names set by Qt 3 Designer.
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| 214 |
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| 215 | ****************************************************************************
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| 216 | * Important Behavior Changes *
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| 217 | ****************************************************************************
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| 218 |
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| 219 | - QNetworkAccessManager cache
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| 220 | * QNetworkAccessManager will no longer return expired pages, as
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| 221 | stated in the documentation
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| 222 | * The behaviour of PreferCache and PreferNetwork modes now match
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| 223 | the documentation more closely
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| 224 |
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| 225 | - QUrl
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| 226 | * QUrl will now accept hostnames ending in dot and will not treat
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| 227 | those as invalid hostnames
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