Thanks for your suggestion.
We will see, if more people ask for this.
When I connect to stored session and the password for the site changed since last time, I will get a prompt to enter valid password and there is a checkbox at the bottom to store the new password/update it in the database.
When I connect to a stored session with a tunnel and the tunnel password changed since last time, I will get a prompt to enter a valid tunnel password, but there is no checkbox to store it permanently. Please add a checkbox into this dialog as well