Xubuntu 18.04 :
You can downgrade to version 3.8.1-0ubuntu9 from the xenial repos (https://launchpad.net/ubuntu/xenial/amd64/vino/3.8.1-0ubuntu9)
1. sudo apt remove vino 2. sudo apt install <path>vino_3.8.1-0ubuntu9_amd64.deb
after which it works with 'vino-preferences' command.
Xubuntu 18.04 :
You can downgrade to version 3.8.1-0ubuntu9 from the xenial repos (https:/ /launchpad. net/ubuntu/ xenial/ amd64/vino/ 3.8.1-0ubuntu9)
1. sudo apt remove vino 3.8.1-0ubuntu9_ amd64.deb
2. sudo apt install <path>vino_
after which it works with 'vino-preferences' command.