Another user [wrote that "shared clip board still not working"](https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/1871658/comments/5) using the 6.1.6 version of the Guest Additions.
Another user [wrote that "shared clip board still not working"](https:/ /bugs.launchpad .net/ubuntu/ +source/ virtualbox/ +bug/1871658/ comments/ 5) using the 6.1.6 version of the Guest Additions.