dist/changes-5.1.0

+Qt 5.1 introduces many new features and improvements as well as bugfixes
+over the 5.0.x series. 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                                        *
+****************************************************************************
+
+ - This release contains only minor code improvements.

src/plugins/imageformats/tga/qtgahandler.cpp

@@ -80,6 +80,8 @@ bool QTgaHandler::canRead(QIODevice *device)
 
     // TGA reader implementation needs a seekable QIODevice, so
     // sequential devices are not supported
+    if (device->isSequential())
+        return false;
     qint64 pos = device->pos();
     bool isValid;
     {

tests/auto/tiff/tiff.pro

@@ -6,5 +6,3 @@ CONFIG += testcase
 
 SOURCES += tst_qtiff.cpp
 RESOURCES += $$PWD/../../shared/images/tiff.qrc
-
-CONFIG+=insignificant_test # QTBUG-28320