Revision control
++ 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:
++
++
++ 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:
++
++
++ Each of these identifiers can be entered in the bug tracker to obtain more
++ information about a particular change.
++
++ ****************************************************************************
++ * New Features *
++ ****************************************************************************
++
++ - Changed behavior of shift handler to only activate
++ caps lock if the shift key is double-clicked.
++ - Added support for selection handles for the dedicated VKB.
++ - [QTBUG-54254] Add support for external keyboard layouts, which allows
++ overriding and exclusion of the built-in keyboard layouts
++ - Add new property InputContext.uppercase, which is set to
++ true when either InputContext.shift or InputContext.capsLock is true
++ - Added language selection popup for faster selection of
++ input language.
++ - Automatically hide word candidate list when inactive.
++ - Added support for automatic selection of the only remaining
++ word in the suggestion list.
++ - Added full screen input mode for super wide screens.