Is Firefox focus really private?

Related questions

1. Is Firefox Focus safe to use?
2. Can you open multiple tabs in Firefox focus?
3. Does Firefox block cookies?
4. Can Firefox focus be tracked?
5. Does Firefox focus block cookies?
6. Is Firefox actually private?
7. Does Firefox focus have tabs?
8. Is Firefox focus open source?
9. What's the difference between Firefox and Firefox focus?
10. Does Firefox focus block ads?

Tags

1. #trackers
2. #follow
3. #firefox
4. #change
5. #today
6. #private
7. #cookie
8. #focus
9. #pleased
10. #browser
11. #around
12. #announce
13. #privacy
14. #default
15. #launch
16. #settings
17. #block