A setting is now available to reverse the zoom direction of the mouse wheel (scrolling forwards zooms out)
This setting will affects wheel zooms in multiple contexts, including:
QgsMapCanvas
)QgsMapOverviewCanvas
)QgsLayoutView
)QgsLayoutViewToolMoveItemContent
)QgsElevationProfileCanvas
)QgsModelGraphicsView
)This feature was developed by Yoann Quenach de Quivillic