1Qt 5.9 introduces many new features and improvements as well as bugfixes 2over the 5.8.x series. For more details, refer to the online documentation 3included in this distribution. The documentation is also available online: 4 5http://doc.qt.io/qt-5/index.html 6 7The Qt version 5.9 series is binary compatible with the 5.8.x series. 8Applications compiled for 5.8 will continue to run with 5.9. 9 10Some of the changes listed in this file include issue tracking numbers 11corresponding to tasks in the Qt Bug Tracker: 12 13https://bugreports.qt.io/ 14 15Each of these identifiers can be entered in the bug tracker to obtain more 16information about a particular change. 17 18Important Changes 19----------------- 20 - General: 21 * Introduce logging category "qt.svg" 22 * Add file name and line number to SVG parser error messages 23 24 - SVG Image I/O: 25 * [QTBUG-44863] Use defaultSize according to svg standard. If 26 width/height attributes are present, they will be used as default 27 image read size instead of the viewBox width/height. 28 29 - QSvgWidget: 30 * Paint the background if one has been set via a stylesheet 31 32 - QSvgGenerator: 33 * [QTBUG-58148] Add support for pattern brushes 34 35 - QSvgIconEngine: 36 * [QTBUG-59729] Paint correct size if device pixel ratio is fractional 37