Qt 5.9.3 is a bug-fix release. It maintains both forward and backward compatibility (source and binary) with Qt 5.9.0. For more details, refer to the online documentation included in this distribution. The documentation is also available online: http://doc.qt.io/qt-5/index.html The Qt version 5.9 series is binary compatible with the 5.8.x series. Applications compiled for 5.8 will continue to run with 5.9. 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 5.9.3 Changes * **************************************************************************** - ButtonGroup: * [QTBUG-62946][QTBUG-63470] Fixed an issue in tracking of the currently checked button that caused a crash under certain circumstances. - DialogButtonBox: * [QTBUG-63898] Fixed a potential crash when using DialogButtonBox without a contentItem. - Popup: * [QTBUG-63672] Fixed a dangling QML context that was causing random crashes in the QML engine debug service. - ScrollView: * [QTBUG-62325] Fixed a binding loop when using a wrapping TextArea as content. - StackView: * Fixed a resource leak that occurred when the creation of the initial item failed. - TextArea & TextField: * [QTBUG-62854] Improved the Default style. - Removed top-level opacity assignments to allow full customization. - Added more distinction between disabled and placeholder text. - Made disabled text more visible. - ToolTip: * [QTBUG-63644] Disabled hover to avoid tooltips blocking hover events, which are typically used for showing tooltips on desktop platforms.