Since upgrading to Qt 5.14, horizontal scroll by mouse wheel stopped working in Qt apps (seems to affect both QtWidgets and QML apps).
Attached is a minimal reproducing case for a QtWidget app.
Note: horizontal scroll by laptop touchpads still works.
|For Gerrit Dashboard: QTBUG-81007|
|285356,8||QScrollBar: allow scrolling any scrollbar with any mouse wheel||5.14||qt/qtbase||Status: MERGED||+2||0|