Qt 5.9 introduces many new features and improvements as well as bugfixes over the 5.8.x series. 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 Data Visualization 5.9.0 Fixed issues ------------ - [QTRD-1803] Enable customer controlled light position - [QTRD-1807] Customer can't set the primary and secondary viewports - [QTRD-2116] Crash if OpenGL version is not high enough