Rebuild user manual with changes for 3.0.30 stable
[privoxy.git] / doc / webserver / user-manual / whatsnew.html
index 1808b1e..46a880a 100644 (file)
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-><H1
-CLASS="SECT1"
-><A
-NAME="WHATSNEW"
->3. What's New in this Release</A
-></H1
-><P
-> There are only a few improvements and new features since
- <SPAN
-CLASS="APPLICATION"
->Privoxy 3.0.10</SPAN
->, the last stable release:</P
-><P
-> <P
-></P
-><UL
-><LI
-><P
->    The mingw32 version uses mutex locks now which prevents
-    log message corruption under load. As a side effect,
-    the "no thread-safe PRNG" warning could be removed as well.
-   </P
-></LI
-><LI
-><P
->    Support for remote toggling is controlled by the configure
-    option --disable-toggle only. In previous versions it also
-    depended on the action editor and thus configuring with the
-    --disable-editor option would disable remote toggling support
-    as well.
-   </P
-></LI
-><LI
-><P
->    The hide-forwarded-for-headers action has been replaced with
-    the change-x-forwarded-for{} action which can also be used to
-    add X-Forwarded-For headers. The latter functionality already
-    existed in Privoxy versions prior to 3.0.7 but has been removed
-    as it was often used unintentionally (by not using the
-    hide-forwarded-for-headers action).
-   </P
-></LI
-></UL
-></P
-><P
-> For a more detailed list of changes please have a look at the ChangeLog.</P
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="UPGRADERSNOTE"
->3.1. Note to Upgraders</A
-></H2
-><P
-> A quick list of things to be aware of before upgrading from earlier 
- versions of <SPAN
-CLASS="APPLICATION"
->Privoxy</SPAN
->:</P
-><P
-> <P
-></P
-><UL
-><LI
-><P
->   The recommended way to upgrade <SPAN
-CLASS="APPLICATION"
->Privoxy</SPAN
-> is to backup your old 
-   configuration files, install the new ones, verify that <SPAN
-CLASS="APPLICATION"
->Privoxy</SPAN
->
-   is working correctly and finally merge back your changes using
-   <SPAN
-CLASS="APPLICATION"
->diff</SPAN
-> and maybe <SPAN
-CLASS="APPLICATION"
->patch</SPAN
->.
-  </P
-><P
->   There are a number of new features in each <SPAN
-CLASS="APPLICATION"
->Privoxy</SPAN
-> release and
-   most of them have to be explicitly enabled in the configuration
-   files. Old configuration files obviously don't do that and due
-   to syntax changes using old configuration files with a new
-   <SPAN
-CLASS="APPLICATION"
->Privoxy</SPAN
-> isn't always possible anyway.
-  </P
-></LI
-><LI
-><P
->  
-    Note that some installers remove earlier versions completely,
-    including configuration files, therefore you should really save
-    any important configuration files!
-  </P
-></LI
-><LI
-><P
->  
-   On the other hand, other installers don't overwrite existing configuration 
-   files, thinking you will want to do that yourself.
-  </P
-></LI
-><LI
-><P
->  
-   <TT
-CLASS="FILENAME"
->standard.action</TT
-> has been merged into
-   the <TT
-CLASS="FILENAME"
->default.action</TT
-> file.
-  </P
-></LI
-><LI
-><P
->   In the default configuration only fatal errors are logged now.
-   You can change that in the <A
-HREF="config.html#DEBUG"
->debug section</A
->
-   of the configuration file. You may also want to enable more verbose
-   logging until you verified that the new <SPAN
-CLASS="APPLICATION"
->Privoxy</SPAN
-> version is working
-   as expected.
-  </P
-></LI
-><LI
-><P
->     Three other config file settings are now off by default: 
-     <A
-HREF="config.html#ENABLE-REMOTE-TOGGLE"
->enable-remote-toggle</A
->,
-     <A
-HREF="config.html#ENABLE-REMOTE-HTTP-TOGGLE"
->enable-remote-http-toggle</A
->,
-     and  <A
-HREF="config.html#ENABLE-EDIT-ACTIONS"
->enable-edit-actions</A
->. 
-     If you use or want these, you will need to explicitly enable them, and
-     be aware of the security issues involved. 
-    </P
-></LI
-><LI
-><P
->    The <SPAN
-CLASS="QUOTE"
->"filter-client-headers"</SPAN
-> and
-    <SPAN
-CLASS="QUOTE"
->"filter-server-headers"</SPAN
-> actions that were introduced with
-    <SPAN
-CLASS="APPLICATION"
->Privoxy 3.0.5</SPAN
-> to apply content filters to
-    the headers  have been removed and replaced with new actions.
-    See the <A
-HREF="whatsnew.html"
->What's New section</A
-> above.
-   </P
-></LI
-></UL
-></P
-></DIV
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+  <meta name="GENERATOR" content="Modular DocBook HTML Stylesheet Version 1.79">
+  <link rel="HOME" title="Privoxy 3.0.30 User Manual" href="index.html">
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+    <table summary="Header navigation table" width="100%" border="0" cellpadding="0" cellspacing="0">
+      <tr>
+        <th colspan="3" align="center">Privoxy 3.0.30 User Manual</th>
+      </tr>
+      <tr>
+        <td width="10%" align="left" valign="bottom"><a href="installation.html" accesskey="P">Prev</a></td>
+        <td width="80%" align="center" valign="bottom"></td>
+        <td width="10%" align="right" valign="bottom"><a href="quickstart.html" accesskey="N">Next</a></td>
+      </tr>
+    </table>
+    <hr align="left" width="100%">
+  </div>
+  <div class="SECT1">
+    <h1 class="SECT1"><a name="WHATSNEW" id="WHATSNEW">3. What's New in this Release</a></h1>
+    <p><span class="APPLICATION">Privoxy 3.0.30</span> fixes a couple of bugs and introduces a few new features.</p>
+    <p>Changes in <span class="APPLICATION">Privoxy 3.0.30</span> stable:</p>
+    <ul>
+      <li>
+        <p>Bug fixes:</p>
+        <ul>
+          <li>
+            <p>Check the actual URL for redirects when https inspecting requests. Previously Privoxy would only check
+            the path which resulted in rewrite results being rejected as invalid URLs. Reported by withoutname in
+            #1736.</p>
+          </li>
+          <li>
+            <p>Let the hide-referrer code tolerate Referer headers with https:// URLs. Previously they would always be
+            treated like a changed host.</p>
+          </li>
+          <li>
+            <p>Use the https headers if the show-request handler is reached through https://. Previously Privoxy would
+            use the http headers which may be empty on a reused connection.</p>
+          </li>
+          <li>
+            <p>Make CGI_PREFIX protocol-relative when building with FEATURE_HTTPS_INSPECTION. This unbreaks (at least)
+            https://config.privoxy.org/client-tags whose buttons would previously use a http:// URL resulting in
+            browser warnings.</p>
+          </li>
+          <li>
+            <p>Support using https-inspection and client-header-order at the same time. Previously Privoxy would crash.
+            Reported by: Kai Raven</p>
+          </li>
+          <li>
+            <p>Properly reject rewrites from http to https as they currently aren't supported. Previously Privoxy would
+            wait for the client to establish an encrypted connection which obviously would not happen.</p>
+          </li>
+          <li>
+            <p>When https inspection is enabled and Privoxy has been compiled with FEATURE_GRACEFUL_TERMINATION (not
+            recommended for production builds), the TLS backend resources are free'd later on and only if no active
+            connections are left. Prevents crashes when exiting "gracefully" at the wrong time.</p>
+          </li>
+        </ul>
+      </li>
+      <li>
+        <p>General improvements:</p>
+        <ul>
+          <li>
+            <p>Allow to rewrite the request destination for https-inspected requests behind the client's back. The
+            documentation already sort of claimed that it was supported by not especially mentioning that it didn't
+            work for https-inspected requests. Fixes SF bug #923 reported by withoutname.</p>
+          </li>
+          <li>
+            <p>Add support for filtering client request bodies by using CLIENT-BODY-FILTER filters which can be enabled
+            with the client-body-filter action. Patch submitted by Maxim Antonov. Sponsored by: Robert Klemme</p>
+          </li>
+          <li>
+            <p>Add the new action suppress-tag{} which can be used to prevent a tagger from adding a tag. Patch
+            submitted by Maxim Antonov. Sponsored by: Robert Klemme</p>
+          </li>
+          <li>
+            <p>Gracefully handle existing website keys without matching certificates. This can happen if Privoxy was
+            previously running with an invalid TLS configuration that didn't allow it to create a certificate.</p>
+          </li>
+          <li>
+            <p>Recycle debug bit 4 for Tagging-related messages.</p>
+          </li>
+          <li>
+            <p>Improve the message shown when the client-tags CGI page is requested with no tags configured.</p>
+          </li>
+          <li>
+            <p>Shorten the 'donate' and 'participate' links used by templates using redirects. Currently the redirects
+            lead to the FAQ entries but in the future we may want to relocate the content and using redirects makes
+            this more convenient.</p>
+          </li>
+          <li>
+            <p>Log an error when a PCRE-HOST-PATTERN is used with FEATURE_PCRE_HOST_PATTERNS disabled. Don't treat this
+            a fatal error so the regression tests can be used with and without FEATURE_PCRE_HOST_PATTERNS.</p>
+          </li>
+          <li>
+            <p>The code compiles with older C compilers again.</p>
+          </li>
+          <li>
+            <p>The chdir() return code is checked to fix a compiler warning.</p>
+          </li>
+          <li>
+            <p>The packages feed has been removed from the source tarball. It's usually out of date when the source
+            tarball is generated for the release.</p>
+          </li>
+          <li>
+            <p>Fixed harmless compiler warnings from GCC9 with -D_FORTIFY_SOURCE=2.</p>
+          </li>
+          <li>
+            <p>windows: Remove obsolete '$(DEST)/doc/images' target.</p>
+          </li>
+          <li>
+            <p>windows: Install the images referenced in the user manual.</p>
+          </li>
+          <li>
+            <p>Remove obsolete 'gnu_regex.@OBJEXT@' target.</p>
+          </li>
+          <li>
+            <p>When installing from the GNUMAkefile, don't create an 'images' directory which is no longer used. The
+            images were relocated to the user-manual directory years ago.</p>
+          </li>
+          <li>
+            <p>Add new FEATURES to the show-status page and resort list.</p>
+          </li>
+          <li>
+            <p>Remove unused variable in the OpenSSL-specific code.</p>
+          </li>
+          <li>
+            <p>Update bug tracker URL in cgi_error_unknown().</p>
+          </li>
+          <li>
+            <p>Saved a couple of memory allocations when sorting client headers.</p>
+          </li>
+          <li>
+            <p>Improved a couple of error messages.</p>
+          </li>
+          <li>
+            <p>Saved memory allocations when using OpenSSL and checking if a key already exists.</p>
+          </li>
+          <li>
+            <p>The configure script will bail out if OpenSSL and mbedTLS are enabled at the same time.</p>
+          </li>
+          <li>
+            <p>Log a message right before exiting gracefully.</p>
+          </li>
+          <li>
+            <p>A couple of structures have been rearranged to require slightly less memory.</p>
+          </li>
+          <li>
+            <p>When https inspection is enabled and the certificate is invalid the error message is now sent with
+            status code 403 instead of 200.</p>
+          </li>
+          <li>
+            <p>The Slackware rc script template has been renamed to slackware/rc.privoxy.in to silence complaints when
+            building Debian packages.</p>
+          </li>
+          <li>
+            <p>When building with MbedTLS support, mbedtls_md5_ret() is used instead of mbedtls_md5() which is
+            deprecated and causes a warning on Debian GNU/Linux.</p>
+          </li>
+        </ul>
+      </li>
+      <li>
+        <p>Action file improvements:</p>
+        <ul>
+          <li>
+            <p>Block requests to eu-tlp03.kameleoon.com/.</p>
+          </li>
+          <li>
+            <p>Unblock metrics.sr.ht/.</p>
+          </li>
+          <li>
+            <p>Disable fast-redirects for .fsf.org/.</p>
+          </li>
+          <li>
+            <p>Disable fast-redirects for .gravater.com/.</p>
+          </li>
+          <li>
+            <p>Disable fast-redirects for .ksta.de/.</p>
+          </li>
+          <li>
+            <p>Block requests to tag.crsspxl.com/.</p>
+          </li>
+          <li>
+            <p>Block requests to analytics.slashdotmedia.com/.</p>
+          </li>
+          <li>
+            <p>Block requests to ml314.com/.</p>
+          </li>
+          <li>
+            <p>Block requests to .adroll.com/.</p>
+          </li>
+          <li>
+            <p>Block requests to fastlane.rubiconproject.com/.</p>
+          </li>
+          <li>
+            <p>Block requests to api.theadex.com/.</p>
+          </li>
+          <li>
+            <p>Block requests to ih.adscale.de/.</p>
+          </li>
+          <li>
+            <p>Block requests to .s400.meetrics.net/.</p>
+          </li>
+          <li>
+            <p>Block requests for pp.lp4.io/.</p>
+          </li>
+          <li>
+            <p>Block requests for trc-events.taboola.com/.</p>
+          </li>
+        </ul>
+      </li>
+      <li>
+        <p>Filter file improvements:</p>
+        <ul>
+          <li>
+            <p>A allow-autocompletion filter has been added which changes autocomplete="off" to "on" on input fields to
+            allow autocompletion. Requested by Jamie Zawinski in #370. Filter based on a submission by Aaron
+            Linville.</p>
+          </li>
+          <li>
+            <p>Added an imdb filter.</p>
+          </li>
+          <li>
+            <p>Added a sourceforge filter that reduces the amount of ads for proprietary software.</p>
+          </li>
+          <li>
+            <p>Added a github filter that removes the annoying "Sign-Up" banner and the Cookie disclaimer.</p>
+          </li>
+          <li>
+            <p>Removed a duplicated pcrs command from the js-annoyances filter.</p>
+          </li>
+          <li>
+            <p>The crude-parental filter now provides a short reason when blocking, inserts a link to Privoxy's
+            webinterface and adds a new line at the end of the generated page.</p>
+          </li>
+        </ul>
+      </li>
+      <li>
+        <p>Privoxy-Log-Parser:</p>
+        <ul>
+          <li>
+            <p>Highlight a few more messages.</p>
+          </li>
+          <li>
+            <p>Add a handler for tagging messages.</p>
+          </li>
+          <li>
+            <p>Properly deal with 'Certificate error' crunches Previously the error description was highlighted as
+            'host'.</p>
+          </li>
+          <li>
+            <p>Log truncated LOG_LEVEL_CLF messages more gracefully and note that the statistics will be imprecise.</p>
+          </li>
+          <li>
+            <p>Fixed perldoc typo.</p>
+          </li>
+          <li>
+            <p>Bump version to 0.9.2.</p>
+          </li>
+        </ul>
+      </li>
+      <li>
+        <p>Privoxy-Regression-Test:</p>
+        <ul>
+          <li>
+            <p>Use http://127.0.0.1:8118/ as default Privoxy address unless http_proxy is set through the
+            environment.</p>
+          </li>
+          <li>
+            <p>Add a --privoxy-cgi-prefix option that specifies the prefix to use when building URLs that are supposed
+            to reach Privoxy's CGI interface. If it's not set, http://p.p/ is used, which is supposed to work with the
+            default Privoxy configuration. If Privoxy has been built with FEATURE_HTTPS_INSPECTION enabled, and if
+            https inspection is activated with the +https-inspection action, this option can be used with
+            "https://p.p/" provided the system running Privoxy-Regression-Test has been configured to trust the
+            certificate used by Privoxy. Note that there are currently two tests in the official
+            regression-tests.action file that are expected to fail when using "https://p.p/" as privoxy-cgi-prefix.</p>
+          </li>
+          <li>
+            <p>Skip the connection-established response in get_status_code() when looking for the status code with a
+            CGI prefix that starts with https://. We care about the status code sent by the impersonated web
+            server.</p>
+          </li>
+          <li>
+            <p>Use --proxy-header when using a CGI prefix with https:// and a "Host:" header.</p>
+          </li>
+          <li>
+            <p>Allow '|' in tokens and values to allow tag patterns like
+            "TAG:^(application|text)/(x-)?javascript$".</p>
+          </li>
+          <li>
+            <p>When get_cgi_page_or_else() fails, include the URL of the requested page in the log message.</p>
+          </li>
+          <li>
+            <p>Added a --check-bad-ssl option that can be used to verify that Privoxy detects certificate problems when
+            accessing the test sites from badssl.com.</p>
+          </li>
+          <li>
+            <p>Bumped version to 0.7.2</p>
+          </li>
+        </ul>
+      </li>
+      <li>
+        <p>uagen:</p>
+        <ul>
+          <li>
+            <p>Update example output.</p>
+          </li>
+          <li>
+            <p>Recommend the use of the https-inspection action in the documentation.</p>
+          </li>
+          <li>
+            <p>Upgrade a couple of URLs to https://.</p>
+          </li>
+          <li>
+            <p>Add ElectroBSD to the list of operating systems.</p>
+          </li>
+          <li>
+            <p>Bumped generated Firefox version to 78 (ESR).</p>
+          </li>
+          <li>
+            <p>Bumped version to 1.2.2.</p>
+          </li>
+        </ul>
+      </li>
+      <li>
+        <p>User documentation:</p>
+        <ul>
+          <li>
+            <p>Remove reference to 'How to Report Bugs Effectively'. It was only rendered as text without URL in the
+            README anyway and there's no indication that users read it ...</p>
+          </li>
+          <li>
+            <p>Let the dok-readme target fix the location embedded into the README file. This used to be done by CVS
+            but since the git migration it has to be done through other means.</p>
+          </li>
+          <li>
+            <p>Remove 'experimental' warning for client-specific-tag-related directives. They seem to work reliably and
+            there is no obvious reason why we would change the syntax in the near future.</p>
+          </li>
+          <li>
+            <p>Describe how to check if Privoxy has been built with FEATURE_HTTPS_INSPECTION.</p>
+          </li>
+          <li>
+            <p>Add a link to the trusted-cas-file documentation that explains how the user can create the file
+            herself.</p>
+          </li>
+          <li>
+            <p>Don't explicitly mention the license for the code coming from 'Anonymous Coders' and Junkbusters. It's
+            obviously licensed under the GNU GPL like the rest of Privoxy or we wouldn't be allowed to distribute
+            it.</p>
+          </li>
+          <li>
+            <p>Update the +hide-user-agent example with uagen output.</p>
+          </li>
+          <li>
+            <p>Slightly improve the wording of the ca-key-file documentation.</p>
+          </li>
+          <li>
+            <p>Explicitly mention Windows 10 as supported so search engines and users looking for it can find it.</p>
+          </li>
+          <li>
+            <p>Import a bunch of contributors from the ChangeLog.</p>
+          </li>
+          <li>
+            <p>Remove obsolete doc/gpl.html.</p>
+          </li>
+          <li>
+            <p>Upgrade a couple of links to https://.</p>
+          </li>
+          <li>
+            <p>Don't prefer the SourceForge patch tracker over the privoxy-devel mailing list. While at it, link to the
+            SourceForge patch tracker.</p>
+          </li>
+          <li>
+            <p>Mention http-inspection in the 'my browser warns me about unauthenticated content' FAQ entry.</p>
+          </li>
+          <li>
+            <p>Simplify the 'Is there is a license or fee?' FAQ entry.</p>
+          </li>
+          <li>
+            <p>Add another +redirect{} example.</p>
+          </li>
+          <li>
+            <p>Explicitly mention that interested sponsors should include the link target in their first mail.</p>
+          </li>
+          <li>
+            <p>Clarify that only Privoxy team members can object to new sponsors and link to the list of current team
+            members.</p>
+          </li>
+          <li>
+            <p>Note that sponsor URLs may not contain keyword spam.</p>
+          </li>
+          <li>
+            <p>Garbage collect doc/webserver/images which isn't referenced anymore.</p>
+          </li>
+          <li>
+            <p>Update the method to reach the proxy settings in Firefox.</p>
+          </li>
+          <li>
+            <p>Update proxy_setup.jpg description to refer to Firefox.</p>
+          </li>
+          <li>
+            <p>Regenerate proxy_setup.jpg with a more recent Firefox (78.0).</p>
+          </li>
+          <li>
+            <p>Regenerate files-in-use.jpg without obsolete standard.action with modern colors and a slightly better
+            quality.</p>
+          </li>
+          <li>
+            <p>Update URL to the actionsfile tracker.</p>
+          </li>
+          <li>
+            <p>Update a support request URL.</p>
+          </li>
+          <li>
+            <p>Rephrase the 'Can Privoxy run as service' FAQ entry and remove an obsolete paragraph.</p>
+          </li>
+          <li>
+            <p>Let the 'Where can I get updated Actions Files?' entry link to the gitweb version of
+            default.action.master.</p>
+          </li>
+          <li>
+            <p>Update a link to the default.action file.</p>
+          </li>
+          <li>
+            <p>Update URLs for trackers and mailing lists.</p>
+          </li>
+          <li>
+            <p>Replace CVS reference with git.</p>
+          </li>
+          <li>
+            <p>Mention regression-tests.action in the config file.</p>
+          </li>
+          <li>
+            <p>Explicitly mention in the config file that access to the CA key should be limited to Privoxy.</p>
+          </li>
+          <li>
+            <p>List more client-specific-tag examples for inspiration.</p>
+          </li>
+          <li>
+            <p>Add additional headers to the client-header-order example.</p>
+          </li>
+          <li>
+            <p>Note that actions aren't updated after rewrites.</p>
+          </li>
+          <li>
+            <p>Explicitly mention that upgrading from http to https with a client-header filter is not supported</p>
+          </li>
+          <li>
+            <p>Note that protocol and host have to be added when rewriting the destination host for https-inspected
+            requests.</p>
+          </li>
+          <li>
+            <p>Explicitly mention that the CA key is used to sign certificates.</p>
+          </li>
+          <li>
+            <p>Put openssl command in 'command' tags.</p>
+          </li>
+          <li>
+            <p>The man page has been moved from section 1 to man section 8.</p>
+          </li>
+        </ul>
+      </li>
+      <li>
+        <p>Developer manual:</p>
+        <ul>
+          <li>
+            <p>Flesh out the build instructions for Debian.</p>
+          </li>
+          <li>
+            <p>Remove the packaging instructions for RPM-based systems. They don't work and we don't release RPM
+            packages anymore anyway.</p>
+          </li>
+          <li>
+            <p>Remove the packaging instructions for Solaris. They don't work and we don't release Solaris packages
+            anymore anyway.</p>
+          </li>
+          <li>
+            <p>Update the suggested subject for the announce mails.</p>
+          </li>
+          <li>
+            <p>Update upload instructions. ftp://upload.sourceforge.net is no longer functional.</p>
+          </li>
+          <li>
+            <p>Remove a couple of package-dependent upload instructions that don't actually work.</p>
+          </li>
+          <li>
+            <p>Remove 'cd current' that no longer works.</p>
+          </li>
+          <li>
+            <p>Add regression-tests.action to the list of files that should be installed.</p>
+          </li>
+          <li>
+            <p>Stop claiming that there are text versions of the manuals. We stopped building them in 2008
+            (9ed36a3c5e6f12).</p>
+          </li>
+          <li>
+            <p>Note that the 'webserver' target creates the link needed for the user-manual.</p>
+          </li>
+          <li>
+            <p>Suggest to use the master branch as reference when creating the ChangeLog so the steps work when the
+            current branch differs from master which is likely as the developer manual suggests to use a local branch
+            for development.</p>
+          </li>
+          <li>
+            <p>Add the -s flag to the suggested 'git tag' command. We prefer signed tags.</p>
+          </li>
+          <li>
+            <p>Mention that merges into 'master' should be avoided.</p>
+          </li>
+          <li>
+            <p>Add git commands that should result in a merge-free history.</p>
+          </li>
+          <li>
+            <p>Mention Privoxy-Regression-Test.</p>
+          </li>
+          <li>
+            <p>Add a section id to reduce link churn.</p>
+          </li>
+          <li>
+            <p>Recommend the dok-tidy target when building docs for the webserver.</p>
+          </li>
+          <li>
+            <p>Add another plug for the privoxy-devel mailing list.</p>
+          </li>
+          <li>
+            <p>Let the intro link the copyright section in the user manual instead of giving an incomplete summary of
+            the license status.</p>
+          </li>
+          <li>
+            <p>Clarify that the webserver target uploads to the SourceForge webserver.</p>
+          </li>
+          <li>
+            <p>Mark the documentation for the Mac OS X installers as out of date and change the SCM name back to
+            CVS.</p>
+          </li>
+          <li>
+            <p>Fix the location of the installer modules for Mac OS X. They are not actually available through git
+            (yet).</p>
+          </li>
+          <li>
+            <p>Don't speak of Privoxy version 3 in the past tense.</p>
+          </li>
+          <li>
+            <p>Update the list of programs required for the release process.</p>
+          </li>
+          <li>
+            <p>Update description of the webserver target which uses ssh, not scp.</p>
+          </li>
+          <li>
+            <p>Remove obsolete reference to config.new.</p>
+          </li>
+        </ul>
+      </li>
+      <li>
+        <p>Tests:</p>
+        <ul>
+          <li>
+            <p>Add another hide-referrer{conditional-block} test.</p>
+          </li>
+          <li>
+            <p>Add another hide-referrer{conditional-forge} test.</p>
+          </li>
+          <li>
+            <p>Fix a hide-referrer{conditional-forge} test that expected an acceptable header to be forged.</p>
+          </li>
+          <li>
+            <p>Fix a hide-referrer{conditional-block} test that expected an acceptable Referer to be removed.</p>
+          </li>
+          <li>
+            <p>Explain why the "Set Header = Host: whatever.example.org" test is expected to fail when using a CGI
+            prefix that starts with "https://".</p>
+          </li>
+          <li>
+            <p>Explain why a connection-sharing test is known to fail when using "https://p.p/" as CGI prefix.</p>
+          </li>
+          <li>
+            <p>Add a link to Privoxy-Regression-Test to regression-tests.action in case it isn't packaged.</p>
+          </li>
+          <li>
+            <p>Add regression tests for pcre host patterns.</p>
+          </li>
+        </ul>
+      </li>
+      <li>
+        <p>Privoxy infrastructure:</p>
+        <ul>
+          <li>
+            <p>Import a Privoxy logo for the website.</p>
+          </li>
+          <li>
+            <p>Update Tor onion service to HiddenServiceVersion 3.</p>
+          </li>
+          <li>
+            <p>Display the "model" photos in a single row and remove placeholder images.</p>
+          </li>
+          <li>
+            <p>Regenerate homepage with updated sponsor list.</p>
+          </li>
+          <li>
+            <p>Use the '/sponsor' redirect for the link to the sponsor page.</p>
+          </li>
+          <li>
+            <p>Git commit messages are sent to the Privoxy-commits mailing list.</p>
+          </li>
+        </ul>
+      </li>
+    </ul>
+    <div class="SECT2">
+      <h2 class="SECT2"><a name="UPGRADERSNOTE" id="UPGRADERSNOTE">3.1. Note to Upgraders</a></h2>
+      <p>A quick list of things to be aware of before upgrading from earlier versions of <span class=
+      "APPLICATION">Privoxy</span>:</p>
+      <ul>
+        <li>
+          <p>The recommended way to upgrade <span class="APPLICATION">Privoxy</span> is to backup your old
+          configuration files, install the new ones, verify that <span class="APPLICATION">Privoxy</span> is working
+          correctly and finally merge back your changes using <span class="APPLICATION">diff</span> and maybe
+          <span class="APPLICATION">patch</span>.</p>
+          <p>There are a number of new features in each <span class="APPLICATION">Privoxy</span> release and most of
+          them have to be explicitly enabled in the configuration files. Old configuration files obviously don't do
+          that and due to syntax changes using old configuration files with a new <span class=
+          "APPLICATION">Privoxy</span> isn't always possible anyway.</p>
+        </li>
+        <li>
+          <p>Note that some installers remove earlier versions completely, including configuration files, therefore you
+          should really save any important configuration files!</p>
+        </li>
+        <li>
+          <p>On the other hand, other installers don't overwrite existing configuration files, thinking you will want
+          to do that yourself.</p>
+        </li>
+        <li>
+          <p>In the default configuration only fatal errors are logged now. You can change that in the <a href=
+          "config.html#DEBUG">debug section</a> of the configuration file. You may also want to enable more verbose
+          logging until you verified that the new <span class="APPLICATION">Privoxy</span> version is working as
+          expected.</p>
+        </li>
+        <li>
+          <p>Three other config file settings are now off by default: <a href=
+          "config.html#ENABLE-REMOTE-TOGGLE">enable-remote-toggle</a>, <a href=
+          "config.html#ENABLE-REMOTE-HTTP-TOGGLE">enable-remote-http-toggle</a>, and <a href=
+          "config.html#ENABLE-EDIT-ACTIONS">enable-edit-actions</a>. If you use or want these, you will need to
+          explicitly enable them, and be aware of the security issues involved.</p>
+        </li>
+      </ul>
+    </div>
+  </div>
+  <div class="NAVFOOTER">
+    <hr align="left" width="100%">
+    <table summary="Footer navigation table" width="100%" border="0" cellpadding="0" cellspacing="0">
+      <tr>
+        <td width="33%" align="left" valign="top"><a href="installation.html" accesskey="P">Prev</a></td>
+        <td width="34%" align="center" valign="top"><a href="index.html" accesskey="H">Home</a></td>
+        <td width="33%" align="right" valign="top"><a href="quickstart.html" accesskey="N">Next</a></td>
+      </tr>
+      <tr>
+        <td width="33%" align="left" valign="top">Installation</td>
+        <td width="34%" align="center" valign="top">&nbsp;</td>
+        <td width="33%" align="right" valign="top">Quickstart to Using Privoxy</td>
+      </tr>
+    </table>
+  </div>
+</body>
+</html>