Revision control
++ Qt 5.12 introduces many new features and improvements as well as bugfixes
++ over the 5.11.x series. For more details, refer to the online documentation
++ included in this distribution. The documentation is also available online:
++
++
++ The Qt version 5.12 series is binary compatible with the 5.11.x series.
++ Applications compiled for 5.11 will continue to run with 5.12.
++
++ Some of the changes listed in this file include issue tracking numbers
++ corresponding to tasks in the Qt Bug Tracker:
++
++
++ Each of these identifiers can be entered in the bug tracker to obtain more
++ information about a particular change.
++
++ ****************************************************************************
++ * General *
++ ****************************************************************************
++
++ - SVG Reading/Rendering:
++ * [QTBUG-59978][QTBUG-67995] Fix objectBoundingBox transformed gradients
++ * [QTBUG-69694] Fix parsing of forward referrals in <use> elements
++
++ - QIcon/QSvgIconEngine:
++ * [QTBUG-67452] Made SVG icons behave like pixmap icons: An
++ explicitly-set disabled icon is no longer additionally grayed out.