I recently encountered this: https://github.com/qgis/QGIS/issues/39719 and opened an issue upstream: https://trac.osgeo.org/geos/ticket/1064#ticket It is by no means important, but since you asked!... -- Sent from: http://osgeo-org.1560.x6.nabble.com/QGIS-Developer-f4099106.html