btalanski

If you are facing the following error while trying to connect to a MySQL server using the MySQL Workbench snap and Ubuntu Focal Fossa: "mysql workbench an apparmor policy prevents this sender [...]"

You might try the following solution:

1 - On a new terminal window, run the following commands:

# snap connect mysql-workbench-community:password-manager-service 
# snap connect mysql-workbench-community:ssh-keys

By using snap connect, you will fix the issue with the MySQL Workbench snap, allowing you to connect to the server(s).