RELEASE-NOTES-1.21

   1 = MediaWiki release notes =
   2
   3 Security reminder: MediaWiki does not require PHP's register_globals. If you
   4 have it on, turn it '''off''' if you can.
   5
   6 == MediaWiki 1.21 ==
   7
   8 THIS IS NOT A RELEASE YET
   9
  10 MediaWiki 1.21 is an alpha-quality branch and is not recommended for use in
  11 production.
  12
  13 === Configuration changes in 1.21 ===
  14 * (bug 29374) $wgVectorUseSimpleSearch is now enabled by default.
  15 * Deprecated $wgAllowRealName is removed. Use $wgHiddenPrefs[] = 'realname'
  16   instead.
  17
  18 === New features in 1.21 ===
  19 * (bug 34876) jquery.makeCollapsible has been improved in performance.
  20 * Added ContentHandler facility to allow extensions to support other content than wikitext.
  21   See docs/contenthandler.txt for details.
  22 * New feature was developed for showing high-DPI thumbnails for high-DPI mobile
  23   and desktop displays (configurable with $wgResponsiveImages).
  24 * Added new backend to represent and store information about sites and site
  25   specific configuration.
  26 * jQuery UI upgraded from 1.8.23 to 1.8.24.
  27 * Added separate fa_sha1 field to filearchive table. This allows sha1
  28   searches with the api in miser mode for deleted files.
  29 * Add initial and programmatic sorting for tablesorter.
  30 * Add the event "sortEnd.tablesorter", triggered after sorting has completed.
  31 * The Job system was refactored to allow for different backing stores for queues
  32   as well as cross-wiki access to queues, among other things. The schema for the
  33   DB queue was changed to support better concurrency and reduce deadlock errors.
  34 * Added ApiQueryORM class to facilitate creation of query API modules based on
  35   tables that have a corresponding ORMTable class.
  36 * (bug 40876) Icon for PSD (Adobe Photoshop) file types.
  37
  38 === Bug fixes in 1.21 ===
  39 * (bug 40353) SpecialDoubleRedirect should support interwiki redirects.
  40 * (bug 40352) fixDoubleRedirects.php should support interwiki redirects.
  41 * (bug 9237) SpecialBrokenRedirect should not list interwiki redirects.
  42 * (bug 34960) Drop unused fields rc_moved_to_ns and rc_moved_to_title from
  43   recentchanges table.
  44 * (bug 32951) Do not register internal externals with absolute protocol,
  45   when server has relative protocol.
  46 * (bug 39005) When purging proxies listed in $wgSquidServers using HTTP PURGE
  47   method requests, we now send a Host header by default, for Varnish
  48   compatibility. This also works with Squid in reverse-proxy mode. If you wish
  49   to support Squid configured in forward-proxy mode, set
  50   $wgSquidPurgeUseHostHeader to false.
  51 * (bug 37020) sql.php with readline eats semicolon
  52 * (bug 11748) Properly handle optionally-closed HTML tags when Tidy is
  53   disabled, and don't wrap HTML-syntax definition lists in paragraphs.
  54
  55 === API changes in 1.21 ===
  56 * prop=revisions can now report the contentmodel and contentformat, see docs/contenthandler.txt
  57 * action=edit and action=parse now support contentmodel and contentformat parameters to control the interpretation of
  58   page content; See docs/contenthandler.txt for details.
  59 * (bug 35693) ApiQueryImageInfo now suppresses errors when unserializing metadata.
  60 * (bug 40111) Disable minor edit for page/section creation by API
  61
  62 === Languages updated in 1.21 ===
  63
  64 MediaWiki supports over 350 languages. Many localisations are updated
  65 regularly. Below only new and removed languages are listed, as well as
  66 changes to languages because of Bugzilla reports.
  67 === Other changes in 1.21 ===
  68
  69 == Compatibility ==
  70
  71 MediaWiki 1.21 requires PHP 5.3.2 or later.
  72
  73 MySQL is the recommended DBMS. PostgreSQL or SQLite can also be used, but
  74 support for them is somewhat less mature. There is experimental support for IBM
  75 DB2 and Oracle.
  76
  77 The supported versions are:
  78
  79 * MySQL 5.0.2 or later
  80 * PostgreSQL 8.3 or later
  81 * SQLite 3.3.7 or later
  82 * Oracle 9.0.1 or later
  83
  84 == Upgrading ==
  85
  86 1.21 has several database changes since 1.20, and will not work without schema
  87 updates. Note that due to changes to some very large tables like the revision
  88 table, the schema update may take quite long (minutes on a medium sized site,
  89 many hours on a large site).
  90
  91 If upgrading from before 1.11, and you are using a wiki as a commons
  92 repository, make sure that it is updated as well. Otherwise, errors may arise
  93 due to database schema changes.
  94
  95 If upgrading from before 1.7, you may want to run refreshLinks.php to ensure
  96 new database fields are filled with data.
  97
  98 If you are upgrading from MediaWiki 1.4.x or earlier, some major database
  99 changes are made, and there is a slightly higher chance that things could
 100 break. Don't forget to always back up your database before upgrading!
 101
 102 See the file UPGRADE for more detailed upgrade instructions.
 103
 104 For notes on 1.19.x and older releases, see HISTORY.
 105
 106 == Online documentation ==
 107
 108 Documentation for both end-users and site administrators is available on
 109 MediaWiki.org, and is covered under the GNU Free Documentation License (except
 110 for pages that explicitly state that their contents are in the public domain):
 111
 112         https://www.mediawiki.org/wiki/Documentation
 113
 114 == Mailing list ==
 115
 116 A mailing list is available for MediaWiki user support and discussion:
 117
 118         https://lists.wikimedia.org/mailman/listinfo/mediawiki-l
 119
 120 A low-traffic announcements-only list is also available:
 121
 122         https://lists.wikimedia.org/mailman/listinfo/mediawiki-announce
 123
 124 It's highly recommended that you sign up for one of these lists if you're
 125 going to run a public MediaWiki, so you can be notified of security fixes.
 126
 127 == IRC help ==
 128
 129 There's usually someone online in #mediawiki on irc.freenode.net.