I really want to like this plugin, it provides functionality that really should be built-in to the browser.

However, the user interface and management features are lacking.
- I can't just add websites to containers. I have to manually navigate to each website and then I can add it to a container. If I only want that website opened in the container, I have to navigate there AGAIN to check the box.
- I can't import or export lists of containers and domains. I have to start over again every time I install the plugin.
- The plugin loses track of website favicons so always shows broken image icons instead of the favicon.
- The UI for removing domains from a container has lots of visual bugs making it a challenge to use.
- Once you set a domain to always open in a container, there is no way to force the domain open in a different container. You have to remove the domain from the container completely and start over again.

Hey Mozilla, theres a ton of potential in this feature. Please don't let it die of neglect!