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NEWS
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GNU Wget NEWS -- history of user-visible changes.
* Noteworthy changes in release ?.? (????-??-??) [?]
* Noteworthy changes in release 1.21.3 (2022-02-26)
** Fix computation of total bytes downloaded during FTP trasnfers (#61277)
** Add option to select TLS 1.3 on the command line
** Fix HSTS build issues on some 64-bit big-endian systems
** Hide password during status report in --no-verbose
** Remove a sprurious print statement that showed up even during --quiet
** Some more cleanups and bug-fixes
* Noteworthy changes in release 1.21.2 (2021-09-07)
** Support for autoconf 2.71
** Fix a double free in FTP when using an absolute path
** Release tarballs no longer have a dependency on Python.
** --page-requisites will now also download links marked as "alternate
stylesheet" or "icon"
* Noteworthy changes in release 1.21.1 (2021-01-09)
** Fix compilation on MacOS and Solaris 9
** Resove bashism from configure.ac
** Fix a compilation warning on 32-bit systems
* Changes in Wget 1.21
** Improve the number of translated strings
** Remove all uses of alloca
In some places the length of untrusted strings has been used, e.g.
strings from the command line or from remote.
** Fix buffer overflows in progress bar code in some locales
** Fix two null pointer accesses
** Amend cookie file header to be recognized by the 'file' command
** Post Handshake Authentication for OpenSSL
** Require gettext version 0.19.3+
** Add configure flags --enable-fsanitize-ubsan, --enable-fsanitize-asan
and --enable-fsanitize-msan for gcc and clang
** Make several smaller fixes, enhance fuzzing, enhance building
* Changes in Wget 1.20.3
** Fixed a buffer overflow vulnerability
* Changes in Wget 1.20.2
** NTLM authentication will retry under certain cases
* Changes in Wget 1.20.1
** --xattr is no longer default since it introduces privacy issues.
** --xattr saves the Referer as scheme/host/port, user/pw/path/query/fragment
are no longer saved to prevent privacy issues.
** --xattr saves the Original URL without user/password to prevent
privacy issues.
* Changes in Wget 1.20
** Add new option `--retry-on-host-error` to treat local errors as transient
and hence Wget will retry to download the file after a brief waiting period.
** Fixed multiple potential resource leaks as found by static analysis
** Wget will now not create an empty wget-log file when running with -q and -b
switches together
** When compiled using the GnuTLS >= 3.6.3, Wget now has support for TLSv1.3
** Now there is support for using libpcre2 for regex pattern matching
** When downloading over FTP recursively, one can now use the
--{accept,reject}-regex switches to fine-tune the downloaded files
** Building Wget from the git sources now requires autoconf 2.63 or above.
Building from the Tarballs works as it used to.
* Changes in Wget 1.19.5
* Fix cookie injection (CVE-2018-0494)
* Enable TLS1.3 with recent OpenSSL environment
* New option --ciphers to set GnuTLS / OpenSSL ciphers directly
* Updated CSS grammar to CSS 2.2
* Fixed several memleaks found by OSS-Fuzz
* Fixed several buffer overflows found by OSS-Fuzz
* Fixed several integer overflows found by OSS-Fuzz
* Several minor bug fixes
* Changes in Wget 1.19.4
* A major bug that caused GZip'ed pages to never be decompressed has been fixed
* Support for Content-Encoding and Transfer-Encoding have been marked as
experimental and disabled by default
* Changes in Wget 1.19.3
* Prevent erroneous decompression of .gz and .tgz files with broken servers
* Added support for HTTP 308 Permanent Redirect response
* Fix a segfault in some cases where the Content-Type header is not sent
* Support OpenSSL 1.1 builds without using deprecated features
* Fix netrc file detection on Windows
* Several minor bug fixes
* Changes in Wget 1.19.2
* Fix CVE-2017-13089 (Stack overflow in HTTP protocol handling)
* Fix CVE-2017-13090 (Heap overflow in HTTP protocol handling)
* New option --compression for gzip Content-Encoding
* New option --[no]-netrc to control .netrc parsing
* Added GNU extensions to .netrc parsing
* Improved IDNA 2003 compatibility
* Fix VPATH issues
* Improved and extended the test suite
* Support Wayback Machine's X-Archive-Orig-last-modified
* Several bug fixes
* Changes in Wget 1.19.1
* Fix bugs, a regression, portability/build issues
* Add new option --retry-on-http-error
* Changes in Wget 1.19
* New option --use-askpass=COMMAND. Fetch user/password by calling
an external program.
* Use IDNA2008 (+ TR46 if available) through libidn2
* When processing a Metalink header, --metalink-index=<number> allows
to process the header's application/metalink4+xml files.
* When processing a Metalink file, --trust-server-names enables the
use of the destination file names specified in the Metalink file,
otherwise a safe destination file name is computed.
* When processing a Metalink file, enforce a safe destination path.
Remove any drive letter prefix under w32, i.e. 'C:D:file'. Call
libmetalink's metalink_check_safe_path() to prevent absolute,
relative, or home paths:
https://tools.ietf.org/html/rfc5854#section-4.1.2.1
https://tools.ietf.org/html/rfc5854#section-4.2.8.3
* When processing a Metalink file, --directory-prefix=<prefix> sets
the top of the retrieval tree to prefix for Metalink downloads.
* When processing a Metalink file, reject downloaded files which don't
agree with their own metalink:size value:
https://tools.ietf.org/html/rfc5854#section-4.2.16
* When processing a Metalink file, with --continue resume partially
downloaded files and keep fully downloaded files even if they fail
the verification.
* When processing a Metalink file, create the parent directories of a
"path/file" destination file name:
https://tools.ietf.org/html/rfc5854#section-4.1.2.1
https://tools.ietf.org/html/rfc5854#section-4.2.8.3
* On a recursive download, append a .tmp suffix to temporary files
that will be deleted after being parsed, and create them
readable/writable only by the owner.
* New make target 'check-valgrind'
* Fix several bugs
* Fix compatibility issues
* Changes in Wget 1.18
* By default, on server redirects to a FTP resource, use the original
URL to get the local file name. Close CVE-2016-4971. This
introduces a backward-incompatibility for HTTP->FTP redirects and
any script that relies on the old behaviour must use
--trust-server-names.
* Check the HSTS file is not world-writable before using it.
* Parse <img srcset> attributes on a recursive download.
* Fix problem with SNI server names having trailing dot(s)
* New options --bind-dns-address and --dns-servers.
* When Wget is built with libiconv, it now converts non-ASCII URIs to
the locale's codeset when it creates files. The encoding of the
remote files and URIs is taken from --remote-encoding, defaulting to
UTF-8. The result is that non-ASCII URIs and files downloaded via
HTTP/HTTPS and FTP will have names on the local filesystem that
correspond to their remote names.
* Changes in Wget 1.17.1
* Fix compile error when IPv6 is disabled or SSL is not present.
* Fix HSTS memory leak.
* Fix progress output in non-C locales.
* Fix SIGSEGV when -N and --content-disposition are used together.
* Add --check-certificate=quiet to tell wget to not print any warning about
invalid certificates.
* Changes in Wget 1.17
** Remove FTP passive to active fallback due to privacy concerns.
** Add support for --if-modified-since.
** Add support for metalink through --input-metalink and --metalink-over-http.
** Add support for HSTS through --hsts and --hsts-file.
** Add option to restrict filenames under VMS.
** Add support for --rejected-log which logs to a separate file the reasons why
URLs are being rejected and some context around it.
** Add support for FTPS.
** Do not download/save file on error when --spider enabled
** Add --convert-file-only option. This option converts only the
filename part of the URLs, leaving the rest of the URLs untouched.
* Changes in Wget 1.16.3
** Fix a regression introduced by wget 1.16.2 that --quiet is not
really quiet anymore.
* Changes in Wget 1.16.2
** Native uuid generation on Windows
** Fix build on Solaris
** Allow progress bar on stderr when -o is used
** Accept 5-digit port numbers in FTP EPSV responses.
** Support older versions of flex.
** Updated translations.
* Changes in Wget 1.16.1
** Add --enable-assert configure option.
** Use pkg-config to check for libraries presence.
** Do not limit --secure-protocol=auto|pfs to TLSv1.0.
** Add --secure-protocol=TLSv1_1|TLSv1_2 .
** Full C89 source code compliance.
** Select and use the most secure authentication scheme with HTTP connections.
** Fix issues with turkish locales.
** Handle 504 Gateway Timeout.
** New option --crl-file to load Certificate Revocation Lists.
** Add valgrind support to tests suite.
** Fix an off-by-one problem in the progress bar (introduced in 1.16).
* Changes in Wget 1.16
** No longer create local symbolic links by default. Closes CVE-2014-4877.
** Use libpsl for verifying cookie domains.
** Default progress bar output changed.
** Introduce --show-progress to force display the progress bar.
** Introduce --no-config. The wgetrc files will not be read.
** Introduce --start-pos to allow starting downloads from a specified position.
** Fix a problem with ISA Server Proxy and keep-alive connections.
* Changes in Wget 1.15
** Add support for --method.
** Add support for file names longer than MAX_FILE.
** Support FTP listing for the FTP Server on Windows Server 2008 R2.
** Fix a regression when -c and --content-disposition are used together.
** Support shorthand URLs in an input file.
** Fix -c with servers that don't specify a content-length.
** Add support for MD5-SESS
** Do not fail on non fatal GNU TLS alerts during handshake.
** Add support for --https-only. When used wget will follow only
HTTPS links in recursive mode.
** Support Perfect-Forward Secrecy in --secure-protocol.
** Fix a problem with some IRI links that are not followed when contained in a
HTML document.
** Support some FTP servers that return an empty list with "LIST -a".
** Specify Host with the HTTP CONNECT method.
** Use the correct HTTP method on a redirection.
* Changes in Wget 1.14
** Add support for content-on-error. It allows to store the HTTP
payload on 4xx or 5xx errors.
** Add support for WARC files.
** Fix a memory leak problem in the GNU TLS backend.
** Autoreconf works again for distributed tarballs.
** Print some diagnostic messages to stderr not to stdout.
** Report stdout close errors.
** Accept the --report-speed option.
** Enable client certificates when GNU TLS is used.
** Add support for TLS Server Name Indication.
** Accept the arguments --accept-regex and --reject-regex.
** The GNU TLS backend honors correctly the timeout value.
** Add support for RFC 2617 Digest Access Authentication.
* Changes in Wget 1.13.4
** Now --version and --help work again.
** Fix a build error on solaris 10 sparc.
** Now --timestamping and --continue work well together.
** Return a network failure when FTP downloads fail and --timestamping
is specified.
** Fix a segfault on an incomplete STYLE tag.
* Changes in Wget 1.13.3
** Support HTTP/1.1
** Now by default the GNU TLS library for secure connections, instead of
OpenSSL.
** Fix some portability issues.
** Handle properly malformed status line in a HTTP response.
** Ignore zero length domains in $no_proxy.
** Set new cookies after an authorization failure.
** Exit with failure if -k is specified and -O is not a regular file.
** Cope better with unclosed html tags.
** Print diagnostic messages to stderr, not stdout.
** Do not use an additional HEAD request when --content-disposition is used,
but use directly GET.
** Report the average transfer speed correctly when multiple URL's are specified
and -c influences the transferred data amount.
** GNU TLS backend works again.
** Now --timestamping and --continue works well together.
** By default, on server redirects, use the original URL to get the
local file name. Close CVE-2010-2252. This introduces a
backward-incompatibility; any script that relies on the old
behaviour must use --trust-server-names.
** Fix a problem when -k is used and some URLs are specified through
CSS.
** Convert correctly URLs that need to be encoded to local files when following
links.
** Use persistent connections with proxies supporting them.
** Print the total download time as part of the summary for recursive downloads.
** Now it is possible to specify a different startup configuration file through
the --config option.
** Fix an infinite loop with the error '<filename> has sprung into existence'
on a network error and -nc is used.
** Now --adjust-extension does not modify the file extension if the file ends
in .htm.
** Support HTTP/1.1 307 redirects keep request method.
** Now --no-parent doesn't fetch undesired files if HTTP and HTTPS are used
by the same host on different pages.
** Do not attempt to remove the file if it is not in the accept rules but
it is the output destination file.
** Introduce `show_all_dns_entries' to print all IP addresses corresponding to
a DNS name when it is resolved.
* Changes in Wget 1.12
** Mailing list MOVED to bug-wget@gnu.org
** SECURITY FIX: It had been possible to trick Wget into accepting
SSL certificates that don't match the host name, through the trick of
embedding NUL characters into the certs' common name. Fixed by Joao
Ferreira <joao@joaoff.com>.
** Added support for CSS. This includes:
- Parsing links from CSS files, and from CSS content found in HTML
style tags and attributes.
- Supporting conversion of links found within CSS content, when
--convert-links is specified.
- Ensuring that CSS files end in the ".css" filename extension,
when --convert-links is specified.
CSS support in Wget is thanks to Ted Mielczarek
<ted.mielczarek@gmail.com>.
** Added support for Internationalized Resource Identifiers (IRIs, RFC
3987). When support is enabled (requires libidn and libiconv), links
with non-ASCII bytes are translated from their source encoding to UTF-8
before percent-encoding. IRI support was added by Saint Xavier
<wget@sxav.eu>, as his project for the Google Summer of Code.
** Wget now provides more sensible exit status codes when downloads
don't proceed as expected (see the manual).
** --default-page option (and associated wgetrc command) added to
support alternative default names for index.html.
** --ask-password option (and associated wgetrc command) added to
support password prompts at the console.
** The --input-file option now also handles retrieving links from
an external file.
** The output generated by the --version option now includes
information on how it was built, and the set of configure-time options
that were selected.
** --html-extension has been renamed to --adjust-extension, to reflect
the fact that it now also applies to CSS content. --html-extension is
still acceptable, but is now deprecated.
** An "ascii" specifier is now accepted by --restrict-file-names, which
forces the percent-encoding of all non-ASCII bytes
** Several previously existing, but undocumented .wgetrc options are
now documented: save_headers, spider, and user_agent,
auth_no_challenge, and keep_session_cookies. Also added documentation
for the "lowercase" and "uppercase" values for --restrict-file-names, which had been present since Wget 1.11.
* Changes in Wget 1.11.4
** Fixed an issue (apparently a regression) where -O would refuse to
download when -nc was given, even though the file didn't exist.
** Fixed a situation where Wget could abort with --continue if the
remote server gives a content-length of zero when the file exists
locally with content.
** Fixed a crash on some systems, due to Wget casting a pointer-to-long
to a pointer-to-time_t.
** Translation updates for Catalan.
* Changes in Wget 1.11.3
** Downgraded -N with -O to a warning, rather than an error.
** Translation updates
* Changes in Wget 1.11.2
** Fixed a problem in authenticating over HTTPS through a proxy.
(Regression in 1.11 over 1.10.2.)
** The combination of -r or -p with -O, which was disallowed in 1.11,
has been downgraded to a warning in 1.11.2. (-O and -N, which was never
meaningful, is still an error.)
** Further improvements to progress bar displays in non-English locales
(too many spaces could be inserted, causing the display to scroll).
** Successive invocations of Wget on FTP URLS, with --no-remove-listing
and --continue, was causing Wget to append, rather than replace,
information in the .listing file, and thereby download the same files
multiple times. This has been fixed in 1.11.2.
** Wget 1.11 no longer allowed ".." to persist at the beginning of URLs,
for improved conformance with RFC 3986. However, this behavior presents
problems for some FTP setups, and so they are now preserved again, for
FTP URLs only.
* Changes in Wget 1.11.1.
** Interrupted downloads no longer result in renaming the file
(regression in 1.11 over 1.10.2).
** Progress bar now displays correctly in non-English locales (and a
related assertion failure was fixed).
** Wget no longer issues a GET request over HTTP for files it should
know it's not going to download (regression in 1.11 over 1.10.2).
** Added option --auth-no-challenge, to support broken pre-1.11
authentication-before-server-challenge, which turns out to still be
useful for some limited cases.
** Documentation of accept/reject lists in the manual's "Types of
Files" section now explains various aspects of their behavior that may
be surprising, and notes that they may change in the future.
** Documentation of --no-parents now explains how a trailing slash, or
lack thereof, in the specified URL, will affect behavior.
* Changes in Wget 1.11.
** Timestamping now uses the value from the most recent HTTP response,
rather than the first one it got.
** Authentication information is no longer sent as part of the Referer
header in recursive fetches.
** No authentication credentials are sent until a challenge is issued,
for improved security. Authentication handling is still not
RFC-compliant, as once a Basic challenge has been received, it will
assume it can send credentials to any URL at that same host, and not
just the ones at or below the original authenticated location.
Credentials for Digest authentication are still never saved or issued
automatically, and continue to require a challenge for each resource.
** Added --max-redirect option, allowing the user to specify what should
be the maximum number of HTTP redirects to follow.
** Wget now supports saving HTTP downloads using file names specified by
the `Content-Disposition' header. This is a standard way of specifying
the file name used by many web dynamically generated pages. However, the
current implementation is inefficient, and known to have bugs. It is
EXPERIMENTAL only, and not enabled by default. Use --content-disposition
to enable it.
** The new option `--ignore-case' makes Wget ignore case when
matching files, directories, and wildcards. This affects the -X, -I,
-A, and -R options, as well as globbing in FTP URLs.
** ETA projection is now displayed in "dot" progress output as well as
in the default progress bar. (The dot progress is used by default when
logging Wget's output to file using the `-o' option.)
** The "lockable boolean" argument type is no longer supported. It
was only used by the passive_ftp .wgetrc setting. If you're running
broken scripts or Perl modules that unconditionally specify
`--passive-ftp' and your firewall disallows it, you can override them
by replacing wget with a script that execs wget "$@" --no-passive-ftp.
** The source code has been migrated to Mercurial. The repositories are
available at http://hg.addictivecode.org/. Prior to this, the source
code was hosted on Subversion (migrated from the original CVS); you can
still get access to older tags and branches for Wget in the Subversion
repository at http://addictivecode.org/svn/wget/.
* Changes in Wget 1.10.
** Downloading files larger than 2GB, sometimes referred to as "large
files", now works on systems that support them. This includes the
majority of modern Unixes, as well as MS Windows.
** IPv6 is now supported by Wget. Unlike the experimental code in
1.9, this version supports dual-family systems. The new flags
`--inet4' and `--inet6' (or `-4' and `-6' for short) force the use of
IPv4 and IPv6 respectively. Note that IPv6 support has not yet been
tested on Windows.
** Microsoft's proprietary "NTLM" method of HTTP authentication is now
supported. This authentication method is undocumented and only used
by IIS. Note that *proxy* authentication is not supported in this
release; you can only authenticate to the target web site.
** Wget no longer truncates partially downloaded files when download
has to start over because the server doesn't support Range. Instead,
with such servers Wget now simply ignores the data up to the byte
where the last attempt left off, and only then continues appending to
the file. That way the downloaded file never shrinks, and download
retries from servers without support for partial downloads work even
when downloading to stdout.
** SSL/TLS changes:
*** SSL/TLS downloads now attempt to verify the server's certificate
against the recognized certificate authorities. This requires CA
certificates to have been installed in a location visible to the
OpenSSL library. If this is not the case, you can get the bundle
yourself from a source you trust (for example, the bundle extracted
from Mozilla available at http://curl.haxx.se/docs/caextract.html),
and point Wget to the PEM file using the `--ca-certificate'
command-line option or the corresponding `.wgetrc' command.
*** Secure downloads now verify that the host name in the URL matches
the "common name" in the certificate presented by the server.
*** Although the above checks provide more secure downloads, they
unavoidably break interoperability with some sites that worked with
previous versions, particularly those using self-signed, expired, or
otherwise invalid certificates. If you encounter "certificate
verification" errors or complaints that "common name doesn't match
requested host name" and are convinced of the site's authenticity, you
can use `--no-check-certificate' to bypass both checks.
*** Talking to SSL/TLS servers over proxies now actually works.
Previous versions of Wget erroneously sent GET requests for https
URLs. Wget 1.10 utilizes the CONNECT method designed for this
purpose.
*** The SSL/TLS-related options have been redesigned and, for the
first time, documented in the manual. The old, undocumented, options
are no longer supported.
** Passive FTP is now the default FTP transfer mode. Use
`--no-passive-ftp' or specify `passive_ftp = off' in your init file to
revert to the old behavior.
** The `--header' option can now be used to override generated
headers. For example, `wget --header="Host: foo.bar"
http://127.0.0.1' tells Wget to connect to localhost, but to specify
"foo.bar" in the `Host' header. In previous versions such use of
`--header' lead to duplicate headers in HTTP requests.
** The responses without headers, aka "HTTP 0.9" responses, are
detected and handled. Although HTTP 0.9 has long been obsolete, it is
still occasionally used, sometimes by accident.
** The progress bar is now updated regularly even when the data does
not arrive from the network.
** Wget no longer preserves permissions of files retrieved by FTP by
default. Anonymous FTP servers frequently use permissions like "664",
which might not be what the user wants. The new option
`--preserve-permissions' and the corresponding `.wgetrc' variable can
be used to revert to the old behavior.
** The new option `--protocol-directories' instructs Wget to also use
the protocol name as a directory component of local file names.
** Options that previously unconditionally set or unset various flags
are now boolean options that can be invoked as either `--OPTION' or
`--no-OPTION'. Options that required an argument "on" or "off" have
also been changed this way, but they still accept the old syntax for
backward compatibility. For example, instead of `--glob=off' you can
write `--no-glob'.
Allowing `--no-OPTION' for every `--OPTION' and the other way around
is useful because it allows the user to override non-default behavior
specified via `.wgetrc'.
** The new option `--keep-session-cookies' causes `--save-cookies' to
save session cookies (normally only kept in memory) along with the
permanent ones. This is useful because many sites track important
information, such as whether the user has authenticated, in session
cookies. With this option multiple Wget runs are treated as a single
browser session.
** Wget now supports the --ftp-user and --ftp-password command
switches to set username and password for FTP, and the --user and
--password command switches to set username and password for both FTP
and HTTP. The --http-passwd and --proxy-passwd command switches have
been renamed to --http-password and --proxy-password respectively, and
the related http_passwd and proxy_passwd .wgetrc commands to
http_password and proxy_password respectively. The login and passwd
.wgetrc commands have been deprecated.
* `wget -b' now works correctly under Windows.
* Wget 1.9.1 is a bugfix release with no user-visible changes.
* Changes in Wget 1.9.
** It is now possible to specify that POST method be used for HTTP
requests. For example, `wget --post-data="id=foo&data=bar" URL' will
send a POST request with the specified contents.
** IPv6 support is available, although it's still experimental.
** The `--timeout' option now also affects DNS lookup and establishing
the TCP connection. Previously it only affected reading and writing
data. Those three timeouts can be set separately using
`--dns-timeout', `--connection-timeout', and `--read-timeout',
respectively.
** Download speed shown by the progress bar is based on the data
recently read, rather than the average speed of the entire download.
The ETA projection is still based on the overall average.
** It is now possible to connect to FTP servers through FWTK
firewalls. Set ftp_proxy to an FTP URL, and Wget will automatically
log on to the proxy as "username@host".
** The new option `--retry-connrefused' makes Wget retry downloads
even in the face of refused connections, which are otherwise
considered a fatal error.
** The new option `--no-dns-cache' may be used to prevent Wget from
caching DNS lookups.
** Wget no longer escapes characters in local file names based on
whether they're appropriate in URLs. Escaping can still occur for
nonprintable characters or for '/', but no longer for frequent
characters such as space. You can use the new option
--restrict-file-names to relax or strengthen these rules, which can be
useful if you dislike the default or if you're downloading to
non-native partitions.
** Handling of HTML comments has been dumbed down to conform to what
users expect and other browsers do: instead of being treated as SGML
declaration, a comment is terminated at the first occurrence of "-->".
Use `--strict-comments' to revert to the old behavior.
** Wget now correctly handles relative URIs that begin with "//", such
as "//img.foo.com/foo.jpg".
** Boolean options in `.wgetrc' and on the command line now accept
values "yes" and "no" along with the traditional "on" and "off".
** It is now possible to specify decimal values for timeouts, waiting
periods, and download rate. For instance, `--wait=0.5' now works as
expected, as does `--dns-timeout=0.5' and even `--limit-rate=2.5k'.
* Wget 1.8.2 is a bugfix release with no user-visible changes.
* Wget 1.8.1 is a bugfix release with no user-visible changes.
* Changes in Wget 1.8.
** A new progress indicator is now available and used by default.
You can choose the progress bar type with `--progress=TYPE'. Two
types are available, "bar" (the new default), and "dot" (the old
dotted indicator). You can permanently revert to the old progress
indicator by putting `progress = dot' in your `.wgetrc'.
** You can limit the download rate of the retrieval using the
`--limit-rate' option. For example, `wget --limit-rate=15k URL' will
tell Wget not to download the body of the URL faster than 15 kilobytes
per second.
** Recursive retrieval and link conversion have been revamped:
*** Wget now traverses links breadth-first. This makes the
calculation of depth much more reliable than before. Also, recursive
downloads are faster and consume *significantly* less memory than
before.
*** Links are converted only when the entire retrieval is complete.
This is the only safe thing to do, as only then is it known what URLs
have been downloaded.
*** BASE tags are handled correctly when converting links. Since Wget
already resolves <base href="..."> when resolving handling URLs, link
conversion now makes the BASE tags point to an empty string.
*** HTML anchors are now handled correctly. Links to an anchor in the
same document (<a href="#anchorname">), which used to confuse Wget,
are now converted correctly.
*** When in page-requisites (-p) mode, no-parent (-np) is ignored when
retrieving for inline images, stylesheets, and other documents needed
to display the page.
*** Page-requisites (-p) mode now works with frames. In other words,
`wget -p URL-THAT-USES-FRAMES' will now download the frame HTML files,
and all the files that they need to be displayed properly.
** `--base' now works conjunction with `--input-file', providing a
base for each URL and thereby allowing the URLs in the file to be
relative.
** If a host has more than one IP address, Wget uses the other
addresses when accessing the first one fails.
** Host directories now contain port information if the URL is at a
non-standard port.
** Wget now supports the robots.txt directives specified in
<http://www.robotstxt.org/norobots-rfc.txt>.
** URL parser has been fixed, especially the infamous overzealous
quoting. Wget no longer dequotes reserved characters, e.g. `%3F' is
no longer translated to `?', nor `%2B' to `+'. Unsafe characters
which are not reserved are still escaped, of course.
** No more than 20 successive redirections are allowed.
* Wget 1.7.1 is a bugfix release with no user-visible changes.
* Changes in Wget 1.7.
** SSL (`https') pages now work if you compile Wget with SSL support;
use the `--with-ssl' configure flag. You need to have OpenSSL
installed.
** Cookies are now supported. Wget will accept cookies sent by the
server and return them in later requests. Additionally, it can load
and save cookies to disk, in the same format that Netscape uses.
** "Keep-alive" (persistent) HTTP connections are now supported.
Using keep-alive allows Wget to share one TCP/IP connection for
many retrievals, making multiple-file downloads faster and less
stressing for the server and the network.
** Wget now recognizes FTP directory listings generated by NT and VMS
servers.
** It is now possible to recurse through FTP sites where logging in
puts you in some directory other than '/'.
** You may now use `~' to mean home directory in `.wgetrc'. For
example, `load_cookies = ~/.netscape/cookies.txt' works as you would
expect.
** The HTML parser has been rewritten. The new one works more
reliably, allows finer-grained control over which tags and attributes
are detected, and has better support for some features like correctly
skipping comments and declarations, decoding entities, etc. It is
also more general.
** <meta name="robots"> tags are now respected.
** Wget's internal tables now use hash tables instead of linked lists
where appropriate. This results in huge speedups when retrieving
large sites (thousands of documents).
** Wget now has a man page, automatically generated from the Texinfo
documentation. (The last version that shipped with a man page was
1.4.5). To get this, you need to have pod2man from the Perl
distribution installed on your system.
* Changes in Wget 1.6
** Administrative changes.
*** Maintainership. Due to Hrvoje being plagued with a "real job",
Dan Harkless is the most active maintainer (not that he doesn't have a
real job as well). Hrvoje still participates occasionally, and both
are being helped by many other people.
*** Web page. Thanks to Jan Prikryl, Wget has an "official" web page.
Take a look at:
http://sunsite.dk/wget/
*** Anonymous CVS. Thanks to ever-helpful Karsten Thygesen, Wget
sources are now available at an anonymous CVS server. Take a look at
the web page for downloading instructions.
** New -K / --backup-converted / backup_converted = on option causes files
modified due to -k to be saved with a .orig prefix before being changed. When
using -N as well, it is these .orig files that are compared against the server.
** New --follow-tags / follow_tags = ... option allows you to restrict
Wget to following only certain HTML tags when doing a recursive
retrieval. -G / --ignore-tags / ignore_tags = ... is just the
opposite -- all tags but the ones you specify will be followed.
** New --waitretry / waitretry = SECONDS option allows waiting between retries
of failed downloads. Wget will use "linear" backoff, waiting 1 second after the
first failure, 2 after the second, up to SECONDS. waitretry is set to 10 by
default in the system wgetrc.
** New -p / --page-requisites / page_requisites = on option causes
Wget to download all ancillary files necessary to display a given HTML
page properly (e.g. inlined images).
** New -E / --html-extension / html_extension = on option causes Wget
to append ".html" to text/html filenames not ending in regexp
"\.[Hh][Tt][Mm][Ll]?".
** New type of .wgetrc command -- "lockable Boolean". Can be set to on, off,
always, or never. This allows the .wgetrc to override the commandline. So far,
passive_ftp is the only .wgetrc command which takes a lockable Boolean.
** A number of new translation files have been added.
** New --bind-address / bind_address = <address> option for people on hosts
bound to multiple IP addresses.
** wget now accepts (illegal per HTTP spec) relative URLs in HTTP redirects.
* Wget 1.5.3 is a bugfix release with no user-visible changes.
* Wget 1.5.2 is a bugfix release with no user-visible changes.
* Wget 1.5.1 is a bugfix release with no user-visible changes.
* Changes in Wget 1.5.0
** Wget speaks many languages!
On systems with gettext(), Wget will output messages in the language
set by the current locale, if available. At this time we support
Czech, German, Croatian, Italian, Norwegian and Portuguese.
** Opie (Skey) is now supported with FTP.
** HTTP Digest Access Authentication (RFC2069) is now supported.
** The new `-b' option makes Wget go to background automatically.
** The `-I' and `-X' options now accept wildcard arguments.
** The `-w' option now accepts suffixes `s' for seconds, `m' for
minutes, `h' for hours, `d' for days and `w' for weeks.
** Upon getting SIGHUP, the whole previous log is now copied to
`wget-log'.
** Wget now understands proxy settings with explicit usernames and
passwords, e.g. `http://user:password@proxy.foo.com/'.