I salute you for your bravery, I can't even make myself comfortable with the idea of switching from Firefox to Librewolf, never mind "any new fork" of a browser

I salute you for your bravery, I can't even make myself comfortable with the idea of switching from Firefox to Librewolf, never mind "any new fork" of a browser. The security implications are just too severe - malicious code, lingering vulnerabilities, project abandonment, etc.