* Work/personal separation
* Multiple AWS accounts
Also, I am very impressed with how well they're integrated into Firefox. For example, opening a link in a new tab will preserve the container. CMD+Shift+T will restore a recently closed tab and remember its original container. I really like the color coding too.
* Work/Personal * Multiple AWS Accounts * Bank * Facebook (https://www.mozilla.org/en-US/firefox/facebookcontainer/) * Shopping * temp (test, disposable )
The only time I use private windows is when there is a glitch.
Sign-in to personal (while at work) to sync bookmarks if firewall allows. Depending on whether you trust your employer you could sync further personal settings.
Don't sign-in to work profile and no work bookmarks or settings/logins get shared.
Don't get me wrong: multi-account containers are a blessing for those rare days when you absolutely have to log-in to facebook.
privacy.userContext.enabled to true
privacy.userContext.ui.enabled to true
privacy.userContext.longPressBehavior to 2
I love using containers with privacy.firstparty.isolate set to true too for extra protection.
I never understand why Mozilla doesn't allow to enable this in the settings.