Install latest/stable of cURL
Ubuntu 16.04 or later?
Make sure snap support is enabled in your Desktop store.
Experimental HTTP/3 Support
HTTP/3 support in curl is considered EXPERIMENTAL currently.
This snap enable HTTP3 through built-in OpenSSL 3.4 + nghttp3.
--http3
Use only HTTP/3:
$ curl --http3-only https://example.org:4433/
Use HTTP/3 with fallback to HTTP/2 or HTTP/1.1 (see "HTTPS eyeballing" below):
$ curl --http3 https://example.org:4433/
Upgrade via Alt-Svc:
$ curl --alt-svc altsvc.cache https://curl.se/
Deatils: https://curl.se/docs/http3.html
Built-in OpenSSL 3.4
$ curl.openssl version
A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features.
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