HTTP/1.1 is not obsolete -- HTTP/2 and HTTP/3 preserve basically all semantics. HTTP/1 is better than 2 and 3 in many cases, e.g. when you cannot afford the com

HTTP/1.1 is not obsolete -- HTTP/2 and HTTP/3 preserve basically all semantics. HTTP/1 is better than 2 and 3 in many cases, e.g. when you cannot afford the complexity like in tiny embedded devices, or when you just need to bootstrap a WebSocket, or you don't need TLS. HTTP/1.1 will be obsolete when intranets and tiny devices are obsolete. Well, it looks like that could become true...