Hi, the explanation is also present in the download section of the website https://qgis.org/en/site/forusers/download.html#mac
*** Download for macOS QGIS is not yet notarized as required by macOS Catalina (10.15) security rules. On first launch on, use right click on the QGIS app icon and choose Open. *** Regards. Andrea -- Sent from: http://osgeo-org.1560.x6.nabble.com/QGIS-User-f4125267.html _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
