Qt 5.14 introduces many new features and improvements as well as bugfixes over the 5.13.x series. For more details, refer to the online documentation included in this distribution. The documentation is also available online: https://doc.qt.io/qt-5/index.html The Qt version 5.14 series is binary compatible with the 5.13.x series. Applications compiled for 5.13 will continue to run with 5.14. Some of the changes listed in this file include issue tracking numbers corresponding to tasks in the Qt Bug Tracker: https://bugreports.qt.io/ Each of these identifiers can be entered in the bug tracker to obtain more information about a particular change. **************************************************************************** * Qt 5.14.0 Changes * **************************************************************************** QtSerialBus ----------- - QCanBusDevice: * [QTBUG-54943] Added the function resetController() to reset a CAN controller from bus off state, as far as supported by the various plugins. * [QTBUG-70766] Added the function busStatus() to query the CAN bus status from the CAN bus device. * [QTBUG-70449] Added the QCanBusDevice::OperationError and QCanBusDevice::TimeoutError codes to signal wrong operation respectively timeout errors. * [QTBUG-72979] Added operators to compare QCanBusDevice::Filter for equality or inequality. - CAN Plugins * PeakCAN: Added support for PCAN-USB devices on macOS by using the MacCAN library (http://www.mac-can.com) * SocketCAN: * [QTBUG-54296] If libsocketcan is available, the CAN bus bitrate can be get and set at runtime. * [QTBUG-75204] Added the configuration parameter QCanBusDevice::ProtocolKey to use another protocol inside the protocol family PF_CAN. * VirtualCAN: Fixed that the plugin stayed forever in closing state after disconnect and subsequent connect calls always failed. - Modbus * [QTBUG-75405][QTBUG-76232] Expose the underling QIODevice used for Modbus communication, e.g. for setting the serial port hardware flow control (RTS/CTS). * The UserParameter enum value of QModbusDevice::ConnectionParameter has been deprecated in favor of using the underlying QIODevice.