Have you tried Temporary Containers[0]? I use it to automatically open every new tab in its own temporary container. [0] https://addons.mozilla.org/en-US/fire

Have you tried Temporary Containers[0]? I use it to automatically open every new tab in its own temporary container. [0] https://addons.mozilla.org/en-US/firefox/addon/temporary-containers/ https://addons.mozilla.org/en-US/firefox/addon/temporary-con...