HTTP/1.1 Must Die (http1mustdie.com)

This is extremely low on details.

Nothing to talk about, empty big black scary page.

HTTP/1.1 will survive a long long time as apps probably don't or won't support HTTP/3 or whatever. They are often proxied though, so there is that.

I hadn't heard of "http de-sync", so here's an old article by the person cited in this page: https://portswigger.net/research/http-desync-attacks-request...