Yes you can have different titles. I have used it for a site in both English and Français
Hi, I suffered this as well. I thought all my work was gone until I disabled Polylang and then my pages worked again. What I did was disable both plugins. Then activate Polylang first then Elementor. I did that and it got working again.
Well i think recaptcha should only be on registration page for new users since the login page is protected itself.