So Firefox introduced support for DNS over HTTPS (DOH), and freebsd decided to stop updating Firefox.
Under benefits section of Firefox they say:
DoH improves privacy by hiding domain name lookups from someone lurking on public WiFi, your ISP, or anyone else on your local network. DoH, when enabled, ensures that your ISP cannot collect and sell personal information related to your browsing behavior.
This is abject hogwash. Here is how Wikipedia puts it:
Technology journalists have argued that DoH provides a false sense of security, as it only encrypts information that could still be obtained via non-encrypted portions of HTTPS requests, such as IP addresses and Server Name Indication.
For HTTP sites DOH provides absolutely no privacy from ISP/network sniffers in your LAN etc. For HTTPS sites, ones that use SNI, it again provides no privacy. Only for non SNI HTTPS sites, it provides domain name privacy, but even there IP is available to ISP etc.
So in short DOH in Firefox provides very dubious, almost non existent privacy.
Instead, they have added a new privacy infringement vector, the DOH provider, in this case Cloudflare.
In plain words, every single domain you access from Firefox, is going to relayed (along with your IP address) to Cloudflare. This is a major privacy concern.
Sure, TODAY, Firefox and Cloudflare are promising us that no funny business is going on. But Google promised us do no evil someday. Things change. This, if not rolled back, would last for decades, and we do not know who will be having controlling power in Cloudflare, we are being asked by Firefox and Cloudflare to not just trust them but to trust all future decisions they make etc.
You can say we have lost nothing, ISPs already have access to this data, who cares if Cloudflare also knows every domain you ever visit?
But doing so, in the name of increasing privacy, that reeks. That reeks Firefox and Cloudflare, and you should be ashamed of yourselves.