621
Brave browser quietly slips a VPN service onto your Windows PC
(www.androidcentral.com)
This is a most excellent place for technology news and articles.
It's basically the standard DNS-over-HTTPS functionality that is already present in almost every browser but routed over a special proxy server. Unfortunately though, Firefox uses Cloudflare services for this.
I also have LibreWolf configured to store cookies. It blocks 3rd-party cookies though.