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1 Qt 4.6.1 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. For more details, |
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3 refer to the online documentation included in this distribution. The |
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4 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 * General * |
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21 **************************************************************************** |
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22 |
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23 Optimizations |
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24 ------------- |
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25 |
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26 - Optimized empty QUrl creation |
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27 * [QTBUG-4030] Empty QUrls no longer allocate memory now |
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28 |
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29 * See list of Important Behavior Changes below |
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30 |
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31 |
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32 **************************************************************************** |
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33 * Library * |
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34 **************************************************************************** |
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35 |
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36 QtCore |
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37 ------ |
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38 |
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39 - QFile |
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40 * Improve performance of getting the canonical filename on Linux |
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41 and Symbian by using realpath() system call. |
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42 * Avoid stat() when opening a file. |
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43 |
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44 - QLibrary and QPluginLoader |
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45 * Do not look at the Qt patch-level version embedded in plugins' |
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46 buildkeys when trying to determine if the plugin is compatible |
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47 |
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48 - QProcessEnvironment |
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49 * [QTBUG-6701] Ensure we don't crash in operator== |
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50 |
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51 - QTextEncoder |
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52 * [merge request 399] QTextEncoder::fromUnicode as QT3 support |
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53 member |
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54 |
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55 - QXmlStreamreader |
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56 * [merge request 1926] Fix parsing of DTDs that contain empty markup |
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57 declarations. |
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58 |
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59 QtGui |
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60 ----- |
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61 |
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62 - QApplication |
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63 * [QTBUG-6654] Fix crashes when deleting QWidgets in touch event |
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64 handlers. |
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65 - QGraphicsEffect |
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66 * [QTBUG-5918] Fixed redraw bugs when using graphics effects on |
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67 items while animating them by transformations. |
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68 - QGraphicsItem |
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69 * [QTBUG-5917] Fixed memory leaks when removing a QGraphicsEffect from |
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70 a QGraphicsItem or QWidget with setGraphicsEffect(0). |
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71 * [QTBUG-5859] Fixes incorrect rounding of the exposed rectangle of the |
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72 QGraphicsItem causing painting issues when scaling the QGraphicsView. |
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73 * [QTBUG-5071] Fixes transformation problems when grouping/ungrouping |
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74 the item with a QGraphicsItemGroup. |
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75 - QGraphicsObject |
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76 * 'id' property was removed. Use the 'objectName' property instead. |
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77 - QGraphicsScene |
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78 * [QTBUG-6654] Fix crashes when deleting QGraphicsItems in touch |
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79 event handlers. |
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80 - QGraphicsView |
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81 * [QTBUG-6935] When using CacheBackground, the background is now |
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82 correctly repainted after the QGraphicsView is shown after being |
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83 hidden. |
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84 * [QTBUG-6835] Mouse tracking is now automatically enabled when using |
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85 AnchorUnderMouse for view transformation. |
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86 * [QTBUG-6958] Fix speed regression in _q_polishItems() |
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87 * [QTBUG-6544] Fix a crash on the focus chain when removing items from |
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88 the scene. |
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89 * Fix a crash in KDE/Plasma with QGraphicsView with topLevels. |
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90 - QGraphicsWidget |
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91 * [QTBUG-6272] Only call updateFont if the font has changed. |
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92 - QPainter |
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93 * [QTBUG-5939] Fixed incorrect redirection matrix that was causing |
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94 wrong transformation for QGraphicsProxyWidgets. |
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95 * [QTBUG-6684] Added optimizations of 32-bit blend functions |
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96 for ARM platforms with NEON support. |
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97 - QPixmap |
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98 * load() and loadFromData() can now support compressed GL textures |
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99 in the DDS, ETC1, PVRTC2, and PVRTC4 formats if the OpenGL graphics |
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100 system is active and the appropriate extensions are present in the |
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101 GL implementation. |
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102 * [QTBUG-6840] Fixed load() to not modify referenced copies. |
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103 * [QTBUG-5840] Fixed a crash in fromImage() when passing in a null image. |
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104 * [QTBUG-6116] Fixed memory leak where a global object was not destroyed |
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105 at program exit. |
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106 - QPixmapCache |
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107 * Fixed a small leak when using the new QPixmapCache::Key based API. |
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108 - QPrinter |
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109 * [QTBUG-3412] QGraphicsProxyWidgets are now rendered correctly when |
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110 printing a QGraphicsScene to PDF format. |
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111 - QRasterPixmapData |
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112 * [QTBUG-6985] Fixed metric() to return the correct height in mm. |
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113 - QTextDocument |
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114 * [QTBUG-5397] Fixed printing of QTextDocuments not including custom |
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115 text objects. |
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116 * [QTBUG-6051] Fixed an endless loop when printing a QTextDocument. |
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117 |
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118 QtDBus |
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119 ------ |
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120 |
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121 - QDBusConnection |
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122 * [QTBUG-5979] Fixed the signal-delivery mechanism to update |
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123 correctly when the sender name changes/appears on the bus. |
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124 * [QTBUG-7041] Fixed marshalling of booleans in release mode. |
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125 * [QT-2307] Fixed calls with the QDBus::BlockWithGui mode. |
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126 - QDBusInterface |
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127 * Made it continue working even when the remote object |
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128 introspection fails. |
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129 - QDBusInterface and qdbuscpp2xml |
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130 * [QTBUG-5563] Fixed an issue with generating annotations in |
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131 signals. |
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132 - QDBusPendingReply and QDBusReply |
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133 * [QTBUG-6571] Fixed a crash that would happen if you tried to |
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134 make a call with a disconnected QDBusConnection. |
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135 |
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136 QtMultimedia |
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137 ------------ |
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138 |
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139 - QAudioOutput |
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140 * [Merge request 418] Fixed compilation the example provided for |
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141 QAudioOutput::start. |
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142 |
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143 QtNetwork |
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144 --------- |
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145 |
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146 - QNetworkAccessManager |
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147 * HTTP: Send our locale with the HTTP request. |
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148 * HTTP: Start Accept-language and Authorization header with capital letter. |
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149 * HTTP: Fix caching algorithm, matching RFC 2612 and the documentation. |
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150 * HTTP [QTBUG-7060]: Fix an issue with headers like "private, max-age=300". |
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151 * file: Introduce special subclass for higher performance with file:// URLs. |
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152 - QTcpSocket |
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153 * [QTBUG-5799] Fix waitForConnected() on Windows. |
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154 - QNetworkProxyFactory |
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155 * Fixed systemProxyForQuery(), it could sometimes return invalid empty list |
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156 on Windows. |
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157 - QNetworkCookieJar |
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158 * [QTBUG-5815] Do not check paths when accepting cookies. |
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159 - QHostInfo |
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160 * Use five parallel threads for host lookup instead of one. |
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161 |
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162 QtOpenGL |
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163 -------- |
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164 |
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165 - QGL2PaintEngineEx |
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166 * Performance: Don't mark brush as dirty if it hasn't changed. |
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167 * Performance: Use 3x3 PMV matrices rather than 4x4. |
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168 * Performance: Move the 0.5 offset we add for aliased rendering to |
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169 updateMatrix(). |
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170 * Performance: Remove superfluous enable/disable vertex attrib arrays. |
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171 * Performance: Track the glVertexAttribPointer and only update it if it's |
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172 changed. |
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173 * [QTBUG-7094] Introduce new "snapToPixelGrid" flag for drawText. |
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174 - QGLContext |
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175 * bindTexture(QString) now supports DDS, ETC1, PVRTC2, and PVRTC4 |
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176 compressed textures if the appropriate extensions are present |
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177 in the GL implementation. |
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178 * bindTexture(QImage): Reduce double-copying of textures when flipping. |
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179 * [QTBUG-6454] Better EGL extension checking to avoid prefix problems |
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180 with EGL_foo matching EGL_foo_bar. |
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181 * [QTBUG-6217] Work around problems with glColor4ub() on Intel Q45/Q43 |
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182 Express by consistently using glColor4f() everywhere. |
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183 * bindTexture(QImage): Fix GL_BGRA formats under OpenGL/ES by using |
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184 the same value for both internal and external texture formats. |
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185 * [QTBUG-5041] Disable depth testing while in renderText(). |
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186 - QGLEngineSelector |
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187 * [QTBUG-5638] Detect GL2 based on fragment shaders, not programs. |
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188 Fragment programs are a GL1 feature. |
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189 - QGLFramebufferObject |
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190 * [QTBUG-6712] Update docs to better explain how QPainter changes |
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191 the GL state when used on an FBO. |
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192 - QGLGlyphCache |
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193 * [QTBUG-6936] Fix memory leak of QGLGlyphCoord objects. |
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194 - QGLPaintDevice |
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195 * [QTBUG-6204] Rebind window surface FBO after native GL rendering. |
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196 - QGLPixmapData |
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197 * [QTBUG-6902] Align GL_RGB data on a 4-byte line boundary. |
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198 - QGLWidget |
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199 * [QTBUG-5002, QTBUG-6931] Fixed QGLWidget::renderText(). |
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200 * Fixed WA_TranslucentBackground for QGLWidgets on X11/EGL. |
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201 * Fix EGL surface leaks when re-parenting on X11/EGL. |
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202 - QTriangulatingStroker |
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203 * [QTBUG-6045] Crash in dashed line handling in the GL stroker. |
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204 |
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205 QtOpenVG |
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206 -------- |
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207 |
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208 - [QT-2555] Automatically destroy VG pixmaps when the last window surface |
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209 goes away to reduce memory consumption of backgrounded applications. |
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210 - [QTBUG-6639] Recover from out-of-memory when creating VGImage's. |
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211 - [QT-2554] Add a VGImage allocation pool to support reclaiming older |
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212 images when the GPU runs out of memory. |
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213 - [QTBUG-7051] Reset the OpenVG scissor after a native painting call-out. |
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214 - [QTBUG-7015] Avoid deep copies of QImage in QImage::bits() calls. |
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215 |
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216 QtWebKit |
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217 -------- |
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218 |
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219 - Fixed user agent string on Symbian (webkit.org/b/31961). |
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220 - QWebInspector: Don't disable when hiding (webkit.org/b/31851). |
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221 - Fix JavaScript prompt behaviour for empty/null strings (webkit.org/b/30914). |
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222 - Fixed lastIndexOf() on Symbian (webkit.org/b/31773). |
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223 - Fixed crash with Flash on Windows with MinGW. |
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224 - Fixed wrapping of QObjects with recurring identity (webkit.org/b/31681). |
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225 - Fixed compilation with ICC. |
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226 - Fixed assertion when dragging SVG images (webkit.org/b/32511). |
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227 - Added the framecapture example to the default build (merge request 2235) |
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228 - Fixed crash with ACID3 test on Symbian |
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229 - Fixed security issue XSL stylesheets and security origins. |
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230 |
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231 QtSql |
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232 ----- |
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233 |
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234 - [QTBUG-5373] Fixed QSqlRelationalTableModel doesn't correctly work with |
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235 relation in other database schema. |
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236 - [QTBUG-5298] (OCI) Fixed QSqlDatabase.tables() does not work with system |
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237 tables. |
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238 - [QTBUG-6421] Fixed setForwardOnly() for both OCI and SQLite. |
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239 - [QTBUG-6618] (ODBC) Fixed segfault when error string is larger than 256 |
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240 chars. |
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241 - [QTBUG-4461] (OCI) Fixed problem with clobs being handled as binary. |
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242 |
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243 QtSvg |
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244 ----- |
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245 |
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246 - QSvgRenderer |
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247 * [QTBUG-6867] Fixed regression in the parsing of paths with relative |
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248 offsets. |
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249 * [QTBUG-6899] Fixed crash when parsing invalid coordinate list. |
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250 - QtXmlPatterns |
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251 * [QTBUG-6771] Fixed static builds. |
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252 |
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253 Qt Plugins |
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254 ---------- |
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255 |
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256 - JPEG plugin |
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257 * Remove obsolete parameter string handling. |
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258 * [QT-2023] Re-implement ScaledSize, ClipRect, ScaledClipRect with |
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259 libjpeg features for greater performance. |
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260 - PBM plugin |
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261 * [QTBUG-6937] Use Mono instead of MonoLSB when writing pbm files. |
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262 - TIFF plugin |
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263 * [QTBUG-6870] BitsPerSample should default to 1 in TIFF files. |
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264 - PNG plugin |
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265 * [QTBUG-7161] Avoid a deep copy of QImage::bits() in the png writer. |
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266 |
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267 |
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268 **************************************************************************** |
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269 * Platform Specific Changes * |
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270 **************************************************************************** |
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271 |
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272 Qt for Unix (X11 and Mac OS X) |
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273 ------------------------------ |
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274 |
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275 - [QTBUG-6755] Ensure we don't call select(2) with a negative timeout |
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276 if the timer expires during timeout recalculation. |
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277 - Added mkspecs for Sun CC that enable -library=stlport by default, |
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278 to restore STL capability with that compiler. |
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279 - [QTBUG-6576] Fixed compilation on HP-UX 11.11. |
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280 - [QTBUG-6961] Fixed compilation on HURD. |
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281 |
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282 Qt for Linux/X11 |
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283 ---------------- |
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284 |
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285 - [QTBUG-5732] Fixed querying of GLX extensions under X11. |
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286 - [QTBUG-5547] Fixed handling of the "..." button. |
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287 - Added new mkspec for Maemo targets (linux-g++-maemo). |
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288 - Added new mkspec for Scratchbox host compiler (unsupported/linux-host-g++). |
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289 - QGuiEventDispatcherGlib (internal class) |
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290 * Fix regression introduced in 4.6.0 that could cause X11 event |
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291 processing to starve timer events. |
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292 - QFileSystemWatcher |
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293 * [QTBUG-4840] Fix memory leak in the dnotify implementation. |
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294 - QIcon |
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295 * [QTBUG-6121] Fixed a problem causing svg-based icon themes to look fuzzy. |
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296 - QGtkStyle |
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297 * [QTBUG-6484] Ensure that gtk-enable-mnemonics is respected. |
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298 |
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299 Qt for Windows |
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300 -------------- |
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301 |
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302 - [QTBUG-5145] Compile fixes for win32-icc. |
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303 - QAtomicPointer |
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304 * [QTBUG-6079] Fix compilation for 64-bit Windows targets. |
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305 - QEventDispatchWin32 (internal class) |
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306 * [QTBUG-6083] Fix a performance regression introduced in 4.6.0 |
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307 that would cause all Qt posted events to be sent at 15-16ms |
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308 intervals (instead of as quickly as possible). |
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309 - Vista/XP styles |
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310 * [QTBUG-6271] Fixed a compatibility issue with MDI windows in |
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311 certain non-standard themes. |
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312 |
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313 Qt for Mac OS X |
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314 --------------- |
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315 |
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316 - QPixmap |
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317 * [QTBUG-5070] Fixed a crash on Mac that could occur when loading |
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318 pixmaps of different sizes into the same QPixmap object. |
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319 - [QTBUG-6973] Fixed a memory leak when using QWidget::setWindowIcon() in |
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320 Carbon. |
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321 - [QTBUG-5186] Fixed a bug which caused drag and drop icons to show |
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322 incorrectly. |
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323 - [QTBUG-6636] Fixed a crash due to stack overflow in QColorDialog on Cocoa. |
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324 - [QTBUG-6378] Fix a text cursor rendering bug. |
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325 - [QTBUG-6636] Fixed a crash when calling removeToolBar on Mac native toolbars |
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326 using Cocoa. |
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327 - [QTBUG-5613] Fixed a bug where the application refused to quit when showing |
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328 a single modal dialog. |
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329 - Gestures are now available for the Carbon port also when building Qt against |
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330 SDK < 10.6 |
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331 |
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332 Qt for Symbian |
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333 -------------- |
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334 |
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335 - QApplication |
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336 * [QTBUG-6098] Added a flag to avoid construction of application panes. |
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337 - Other: |
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338 * [QTBUG-4990] Rewrote most of the regular pointer handling. |
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339 |
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340 |
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341 **************************************************************************** |
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342 * Tools * |
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343 **************************************************************************** |
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344 |
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345 - Designer |
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346 * [QTBUG-6863] Fixed static linking on Mac. |
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347 * [QTBUG-6760] Fixed display of action shortcut in action editor. |
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348 * [QTBUG-6505] Fixed handling of QHeaderView properties. |
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349 * [QTBUG-5335] Fixed handling of layout margins of custom containers. |
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350 |
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351 - uic |
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352 * [QTBUG-5824] Fixed code generation to generate a call to |
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353 QMainWindow::setCentralWidget() for promoted widgets as well. |
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354 |
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355 **************************************************************************** |
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356 * Important Behavior Changes * |
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357 **************************************************************************** |
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358 |
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359 - Phonon |
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360 * Include headers have been changed. The only official method for |
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361 including Phonon headers is <phonon/ClassName> or |
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362 <phonon/classname.h>. This change was necessary because of |
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363 frameworks on Mac. |
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364 |
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365 Compatibility is provided for <Phonon/*> includes, but is not |
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366 guaranteed to work. Including <phonon> and <Phonon> is not |
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367 supported. |
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368 |