❗️Sanitizing in-session is a false sense of privacy. They do nothing for IP tracking. Even Tor Browser does not sanitize in-session e.g. when you request a new circuit. A new ID requires both full sanitizing and a new IP. The same applies to Firefox
❗️Cookie extensions can lack APIs or implementation of them to properly sanitize
e.g. at the time of writing: Cookie Auto Delete`
This is true but if you open tens of websites as many people do every day (some keep them open for months!), what kind of monstrous VPN setup should you have to have tens of IPs?
I don't think there's a realistic solution other than using TOR as much as you can bear..
CookieAutoDelete and Temporary Containers fool 99% of websites and trackers, especially with uBlock Origin it's the best you can get without losing convenience..IMHO