correctly.
* (bug 45803) Whitespace within == Headline == syntax and within <hN> headings
is now non-significant and not preserved in the HTML output.
+* (bug 23343) Implemented ability to apply IP blocks to the contents of X-Forwarded-For headers
+ by adding a new configuration variable $wgApplyIpBlocksToXff (disabled by default).
=== Bug fixes in 1.21 ===
+* (bug 40617) Installer can now customize the logo in LocalSettings.php
* (bug 40353) SpecialDoubleRedirect should support interwiki redirects.
* (bug 40352) fixDoubleRedirects.php should support interwiki redirects.
* (bug 9237) SpecialBrokenRedirect should not list interwiki redirects.
* The JSON output formatter now leaves forward slashes unescaped to improve human
readability of URLs and similar strings. Also, a "utf8" option is now provided
to use UTF-8 encoding instead of hex escape codes for most non-ASCII characters.
+* action=opensearch no longer silently ignores the format parameter.
+* action=opensearch now supports format=jsonfm.
=== API internal changes in 1.21 ===
* For debugging only, a new global $wgDebugAPI removes many API restrictions when true.
were using it, you have to either copy it to your extension, or install the
Vector extension (and possibly disable its features using config settings if
you don't want them).
-* Experimental IBM DB2 support was removed due to lack of interest and maintainership
+* Experimental IBM DB2 support was removed due to lack of interest and maintainership.
* BREAKING CHANGE: Filenames of maintenance scripts were standardized into
lowerCamelCase format, and made more explicit:
- clear_stats.php -> clearCacheStats.php
- ShowStats -> ShowSiteStats.
* BREAKING CHANGE: (bug 38244) Removed the mediawiki.api.titleblacklist module
and moved it to the TitleBlacklist extension.
-* The Special:ActiveUsers special page was removed
+* The Special:ActiveUsers special page was removed.
* BREAKING CHANGE: Implementation of MediaWiki's JS and JSON value encoding
has changed:
** MediaWiki no longer supports PHP installations in which the native JSON
** The sets of characters escaped by default, along with the precise escape
sequences used, have changed (except for the Xml::escapeJsString()
function, which is now deprecated).
-* BREAKING CHANGE: The Services_JSON class has been removed; if necessary,
+* BREAKING CHANGE: The Services_JSON class has been removed. If necessary,
be sure to upgrade affected extensions at the same time (e.g. Collection).
* Calling Linker methods using a skin will now output deprecation warnings.
+* Pages with a returnto (such as the page when you login or logout), no
+ longer have a rel="next" link tag.
== Compatibility ==