Not sure - I have never used that flag! I like the idea of managing the profile dir myself, because then I know nothing will leak. For example, HSTS state persi

Not sure - I have never used that flag! I like the idea of managing the profile dir myself, because then I know nothing will leak. For example, HSTS state persists across incognito, allowing fingerprinting. I don't know if --guest handles that differently (probably?) but this way, I can be sure.