This is a companion discussion topic for the original entry at https://lists.opensuse.org/archives/list/factory@lists.opensuse.org/message/LK6QJ6ETQGFLZL4ZXHWPX53AS7ZZXNY5/
This seems to match all these errors
“Download (curl) error for ‘https://ftp.gwdg.de/pub/linux/misc/packman/suse/openSUSE_Tumbleweed/repodata/repomd.xml’:
Error code: Curl error 60
Error message: SSL certificate problem: unable to get local issuer certificate”
constantly scrolling on the desktop and refresh errors in zypper.