The world wide web is one particular network. If you decide to copy stuff from the world wide web and use it for your own purposes, and the world wide web chang

The world wide web is one particular network. If you decide to copy stuff from the world wide web and use it for your own purposes, and the world wide web changes and your stuff breaks, that's on you. Does the world wide web still work? If so, the change was fine. See also the removal of the client certificate bit from Let's Encrypt certificates. Let's Encrypt issues certificates for web servers. What are you doing using one on a client? You should either do your own thing, or have an actual contract with Let's Encrypt for them to support whatever you're doing. Otherwise you have no right to complain about that.