cURL 8.1 Release: New HTTP/2 Proxy Support, .onion TLD Rejection, and Expanded -w Variables
cURL 8.1 introduces three main changes: support for HTTP/2 over HTTPS proxies via the –proxy-http2 option, rejection of hostnames ending with .onion during DNS resolution, and an expanded set of variables for the -w option to output URL components.
cURL is a computer software project that provides a library (libcurl) and a command‑line tool (curl) for transferring data with various network protocols. The name stands for "Client URL".
Changes
cURL 8.1 includes three real changes, one major and two minor:
HTTP/2 over proxy
libcurl can now negotiate and use HTTP/2 when instructed to use an HTTPS proxy, and the command‑line tool can enable this with the --proxy-http2 option.
Reject parsing .onion TLD
When a hostname ending with .onion is passed to the name‑resolution function, it now results in an error and will not be resolved.
curl -w option can now output URL components
The list of variables for the -w option has been expanded with a series of new variables representing URL components.
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