Command line tool and Library supporting transferring files with
URL syntax, using FTP, FTPS, HTTP, HTTPS, SCP, SFTP, TFTP, TELNET, DICT, and
FILE, SSL certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP form
based upload, proxies, cookies, user+password authentication (Basic,
Digest, NTLM, Negotiate...), file transfer resume, proxy tunneling and a
busload of other useful tricks.
For more information see the project home page:
https://curl.se/
This Cygwin version includes wCurl - a simple download wrapper shell
script that makes it easy setting output defaults, names, timestamps,
downloading in parallel, etc.
Documentation is provided as a wcurl(1) man page, under
/usr/share/doc/curl/wcurl/, and under its own project home page:
https://github.com/curl/wcurl
The following packages have been upgraded in the Cygwin distribution:
- curl 8.12.1
- libcurl-doc 8.12.1
- libcurl-devel 8.12.1
- libcurl4 8.12.1
- mingw64-x86_64-curl 8.12.1
As there are many functions and changes each release see below,
https://curl.se/ch/8.12.1.html or /usr/share/doc/curl/RELEASE-NOTES
after installation:
2025-02-13 8.12.1
Public curl releases: 265
Command line options: 267
curl_easy_setopt() options: 306
Public functions in libcurl: 96
Contributors: 3344
For information on security vulnerabilities and fixes see:
https://curl.se/docs/vuln-8.12.1.html
Planned upcoming removals include:
- Support for the msh3 HTTP/3 backend
- The winbuild build system
- TLS libraries not supporting TLS 1.3
See https://curl.se/dev/deprecate.html for details
This release includes the following known bugs:
- see https://curl.se/docs/knownbugs.html or
/usr/share/doc/curl/KNOWN_BUGS after installation
This release includes the following bugfixes:
- all: remove FIXME and TODO comments
- asyn-thread: fix build with `CURL_DISABLE_SOCKETPAIR`
- asyn-thread: fix HTTPS RR crash
- asyn-thread: fix the returned bitmask from Curl_resolver_getsock
- asyn-thread: survive a c-ares channel set to NULL
- build: add tool_hugehelp.c into IBMi build
- checksrc.pl: warn on FIXME/TODO comments
- cmake/Find: set `<Modulename>_FOUND` for compatibility when found via
`pkg-config`
- cmake: add integration tests, run them in CI
- cmake: always reference OpenSSL and ZLIB via imported targets
- cmake: avoid unnecessary `-L` for implicit link dirs
- cmake: drop `LDAP_DEPRECATED=1` macro, to sync with autotools
- cmake: fix `HAVE_GETHOSTBYNAME_R_*` detections with `CURL_WERROR=ON`
- cmake: fix to detect `HAVE_OPENSSL_SRP` in MSVC UWP builds
- cmake: fix/add missing feature detections for Windows/MS-DOS
- cmake: initialize variables where missing
- cmake: lib order fixes for picky linkers (e.g. binutils `ld`)
- cmake: normalize before matching paths with syspaths
- cmake: respect `GNUTLS_CFLAGS` when detected via `pkg-config`
- cmake: respect `GNUTLS_LIBRARY_DIRS` in `libcurl.pc` and `curl-config`
- cmake: save a line with `CMAKE_C_IMPLICIT_LINK_DIRECTORIES` exclusion
- cmake: tidy up string append and list prepend syntax
- configure/cmake: check for realpath
- configure/cmake: set asyn-rr a feature only if httpsrr is enabled
- content_encoding: #error on too old zlib
- curl_global_sslset.md: Add SSL backend names
- CURLOPT_SSH_KNOWNHOSTS.md: strongly recommend using this
- CURLSHOPT_SHARE.md: adjust for the new SSL session cache
- docs: better explain multi-part byte range behavior
- docs: use valid example domain names
- generate.bat: remove curl_get_line.c from the curlx file list
- header.md: mention `Authorization:` and `Cookie:` special treatment
- imap: TLS upgrade fix
- INTERNALS: fix c-ares, as we actually support 1.6.0 or later
- ldap: drop support for legacy Novell LDAP SDK
- lib: include necessary headers for `inet_ntop`/`inet_pton`
- lib: silence LibreSSL collision warning on non-MSVC Windows
- libssh2: comparison is always true because rc <= -1
- libssh2: raise lowest supported version to 1.2.8
- libssh: drop support for libssh older than 0.9.0
- libssh: silence `-Wconversion` with a cast (Windows 32-bit)
- netrc: return code cleanup, fix missing file error
- openssl-quic: ignore ciphers for h3
- openssl: fix out of scope variables in goto
- pop3: TLS upgrade fix
- runtests: fix the disabling of the memory tracking
- runtests: quote commands to support paths with spaces
- scache: add magic checks
- smb: silence `-Warray-bounds` with gcc 13+
- smtp: TLS upgrade fix
- SPONSORS.md: clarify that we don't promise goods or services
- test1516: avoid failure due to spaces in path
- test2080: simplify, avoid the null byte
- tests: fix test 558, 1330 for MSVC, allow TrackMemory with MSVC in cmake
- tidy-up: make per-file `ARRAYSIZE` macros global as `CURL_ARRAYSIZE`
- tool_cfgable: sort struct fields by size, use bitfields for booleans
- tool_getparam: add "TLS required" flag for each such option
- tool_progress: fix percent output of large parallel transfers
- tool_ssls: switch to tool-specific get_line function
- verbose.md: mention how carriage-return might occur in headers
- vquic: make the "disable GSO" use infof, not failf
- vtls: fix multissl-init
- vtsl: eliminate 'data->state.ssl_scache'
- wakeup_write: make sure the eventfd write sends eight bytes
- wolfssl: silence compiler warning (MSVC 2019), simplify existing
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