Announce version 3.20171001

Signed-off-by: Simon McVittie <smcv@debian.org>

doc/news/version_3.20161229.mdwn

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-ikiwiki 3.20161229 released with [[!toggle text="these changes"]]
-[[!toggleable text="""
-   * Security: force CGI::FormBuilder->field to scalar context where
-     necessary, avoiding unintended function argument injection
-     analogous to [[!debcve CVE-2014-1572]]. In ikiwiki this could be used to
-     forge commit metadata, but thankfully nothing more serious.
-     ([[!debcve CVE-2016-9646]])
-   * Security: try revert operations in a temporary working tree before
-     approving them. Previously, automatic rename detection could result in
-     a revert writing outside the wiki srcdir or altering a file that the
-     reverting user should not be able to alter, an authorization bypass.
-     ([[!debcve CVE-2016-10026]] represents the original vulnerability.)
-     The incomplete fix released in 3.20161219 was not effective for git
-     versions prior to 2.8.0rc0.
-     ([[!debcve CVE-2016-9645]] represents that incomplete solution.)
-   * Add CVE references for CVE-2016-10026
-   * Add automated test for using the CGI with git, including
-     CVE-2016-10026
-     - Build-depend on libipc-run-perl for better build-time test coverage
-   * Add missing ikiwiki.setup for the manual test for CVE-2016-10026
-   * git: don't issue a warning if the rcsinfo CGI parameter is undefined
-   * git: do not fail to commit changes with a recent git version
-     and an anonymous committer"""]]

doc/news/version_3.20171001.mdwn

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+ikiwiki 3.20171001 released with [[!toggle text="these changes"]]
+[[!toggleable text="""
+ * [ [[Joey Hess|joey]] ]
+   * htmlscrubber: Add support for the video tag's `loop` and `muted`
+     attributes. Those were not in the original html5 spec, but have been
+     added in the whatwg html living standard and have wide browser support.
+   * emailauth, passwordauth: Avoid leaving `cgisess_*` files in the
+     system temp directory.
+ * [ [[Simon McVittie|smcv]] ]
+   * core: Don't decode the result of `strftime` if it is already tagged as
+     UTF-8, as it might be since Perl >= 5.21.1. (Closes: #[869240](http://bugs.debian.org/869240))
+   * img: Strip metadata from resized images when the deterministic config
+     option is set. Thanks, [[intrigeri]]
+   * receive: Avoid `asprintf()` in `IkiWiki::Receive`, to avoid implicit
+     declaration, potential misbehaviour on 64-bit platforms, and lack
+     of portability to non-GNU platforms
+   * t: Add a regression test for untrusted git push
+   * receive: Fix untrusted git push with git (>= 2.11) by passing through
+     the necessary environment variables to make the quarantine area work
+   * debian: Declare compliance with Debian Policy 4.1.1
+ * [ [[Amitai Schleier|schmonz]] ]
+   * l10n: Fix the build with po4a 0.52, by ensuring that `msgstr` ends
+     with a newline if and only if `msgid` does"""]]