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+QtSerialPort 5.4 introduces a few new features and improvements as well as
+bugfixes over the 5.3.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/
+
+The QtSerialPort version 5.4 series is binary compatible with the 5.3.x series.
+Applications compiled for 5.3 will continue to run with 5.4.
+
+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.
+
+****************************************************************************
+* Library *
+****************************************************************************
+
+ - [QTBUG-41190] Fixed build on Qt4 related to QT_DEPRECATED_SINCE(5, 2) macro.
+
+ - QSerialPortInfo:
+ * Added support of a serial number of the USB device from the Sysfs backend.
+ * Fixed crash on OSX related to wrong use of QCFString class.
+ * Added enumeration of on-board types of serial ports (like SOC and OCP)
+ at using of the Sysfs backend on Linux.
+ * [QTBUG-40113] Fixed crash related to dynamic udev loading.
+
+ - QSerialPort:
+ * Fixed filtering of custom baud rate on Linux.
+ * [QTBUG-41295] Now the reading are not stalled on Windows when used the
+ read buffer with the limited size.
+ * Now the reading are not stalled on Windows after calling of the clear()
+ method.
+ * Now the bytesToWrite() on Windows returns the zero after WriteFile()
+ was called.