To add an additional menu in action dropdown list on tree view, we need to register “ir.actions.server” and “ir.values” on the qweb/xml file as follow. Note that code field name is using old Odoo python API. In your sale order model create the method as bellow with Odoo new API. Restart odoo and upgrade your module, you’ll have now cancel menu on your sales order tree view.

Edit the format of the address By default with the localization i set for my company, addresses are displayed like this picture bellow: First, you need to enable developper mode through settings, and go to the menu contact -> Configuration -> localization -> countries. Select the country you set on your company settings and click edit. Edit and change the format as your convenience. And here the result.   Edit the format of header/footer Settings are available through the menu: Settings -> General settings -> Document template section: You will be able to customize logo, text position here, click edit …