Falling back to IPv4 aka "Happy Eyeballs" is a browser thing, not a HTTP thing, fetch calls etc will

Falling back to IPv4 aka "Happy Eyeballs" is a browser thing, not a HTTP thing, fetch calls etc will not fall back to IPv4

Falling back to IPv4 aka "Happy Eyeballs" is a browser thing, not a HTTP thing, fetch calls etc will - Cloudflare Developers