Go to any site (eg weather). In hamburger menu (bottom right) select Add To Home Screen. Launch Firefox using that Home Screen icon.

Install Onetab

See https://firefox-source-docs.mozilla.org/browser/tabunloader/

You’re still using the previous user name? … otherwise problematic.

SmartTubeNext

Could be usefull at the very least as a history trail (as “History” proper is bloated with garbage, unfortunately)

In settings you may have requested “personalised recommendations”