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[lhc/web/wiklou.git] / RELEASE-NOTES

= MediaWiki release notes =

Security reminder: MediaWiki does not require PHP's register_globals
setting since version 1.2.0. If you have it on, turn it *off* if you can.

== MediaWiki 1.13 ==

THIS IS NOT A RELEASE YET

MediaWiki is now using a "continuous integration" development model with
quarterly snapshot releases. The latest development code is always kept
"ready to run", and in fact runs our own sites on Wikipedia.

Release branches will continue to receive security updates for about a year
from first release, but nonessential bugfixes and feature developments
will be made on the development trunk and appear in the next quarterly release.

Those wishing to use the latest code instead of a branch release can obtain
it from source control: http://www.mediawiki.org/wiki/Download_from_SVN

=== Configuration changes in 1.13 ===

* New option $wgFeed can be set false to turn off syndication feeds
* (bug 5745) Special:Whatlinkshere now shows up to $wgMaxRedirectLinksRetrieved
  links through each redirect instead of hardcoded 500
* Set $wgUploadSizeWarning to false by default
* Added $wgLBFactoryConf, for generic configuration of multi-master wiki farms
* Removed $wgAlternateMaster, use $wgLBFactoryConf
* (bug 13562) Misspelled option $wgUserNotifedOnAllChanges changed to
  $wgUserNotifiedOnAllChanges

=== New features in 1.13 ===

* __HIDDENCAT__ on a category page causes the category to be hidden on the
  article page.
* Don't show edit permissions errors on a red link click, just redirect to the
  article. This is so that readers who don't know what a red link is aren't
  confused when they are told they are range-blocked.
* Add a new hook ImageBeforeProduceHTML to allow extensions to modify wikitext
  image syntax output.
* (bug 13100) Added 'preloadtitle' parameter to action=edit&section=new that
  pre-fills the section title field.
* (bug 13112) Added Special:RelatedChanges alias to Special:Recentchangeslinked
* (bug 13130) Moved edit token and autosummary fields above edit tools to
  reduce broken form submissions
* Add --old-redirects-only option to maintenance/refreshLinks.php, to add old
  redirects to the redirect table
* Add links to page and file deletion forms to edit predefined delete reasons 
* (bug 13269) Added MediaWiki:Uploadfooter to the bottom of Special:Upload
* (bug 2815) Search results for media now use thumb instead of text extract
* When a page doesn't exist, the tab should say "create", not "edit"
* (bug 12882) Added a span with class "patrollink" arround "Mark as patrolled"
  link on diffs
* Magic word formatnum can now take raw suffix to undo formatting
* Add updatelog table to reliably permit updates that don't change the schema
* Add category table to allow better tracking of category membership counts
** (bug 1212) Give correct membership counts on the pages of large categories
** Use category table for more efficient display of Special:Categories
* (bug 1459) Search for duplicate files by hash: Special:FileDuplicateSearch
* (bug 9447) Added hooks for search result headings
* Image redirects are now enabled
* (bug 13450) Email confirmation can now be canceled before the expiration
* (bug 13490) Show upload/file size limit on upload form
* Redesign of Special:Userrights

=== Bug fixes in 1.13 ===

* (bug 10677) Add link to the file description page on the shared repository
* (bug 13084) Increase size of source/destination filename fields in upload form
* (bug 13115) rebuildrecentchanges should print the current value of $wgRCMaxAge
* (bug 13140) Show parent categories in category namespace
* (bug 13149) Correctly format 'fileexists' message on Upload page
* Make the default filepageexists message accurate
* (bug 12988) $wgMinimalPasswordLength no longer breaks create user by email
* (bug 13022) Fix upload from URL on PHP 5.0.x
* (bug 13132) Unable to unprotect pages protected with earlier versions of MediaWiki
* (bug 12723) OpenSearch description name now uses more compact language code
  to avoid passing the length limit as often, is customizable per site via
  'opensearch-desc' message.
* (bug 13135) Special:Userrights now passes IDs through form submission
  to allow functionality on not-quite-right usernames
* (bug 12575) Prevent duplicate patrol log entries from being created
* (bug 13174) __HIDDENCAT__ now applies only to category pages
* (bug 13031) Add links to user pages in e-mail form
* (bug 13147) Description for categoriespagetext (used in Special:Categories) reworded
* (bug 11561) Fix fatal error when calling action=revert to non-image page
* (bug 12430) Fix call to private method LinkFilter::makeRegex fatal error in
  maintenance/cleanupSpam.php
* All skins should have the "mediawiki" class on the body element
* (bug 13019) Message cache for some extensions not loaded at time of editing
* (bug 13247) Prettified ISBN links
* maintenance/refreshLinks.php did not fix page_id 1 with the --new-only option
* (bug 13110) Don't show "Permission error" page if the edit is already rolled
  back when using rollback
* (bug 13012) Use content messages for block options when generating the
  recentchanges entry
* (bug 13274) Change links for messages to ucfirst
* (bug 13273) Un-hardcode some punctuation (add new messages colon-separator,
  autocomment-prefix)
* Parse MediaWiki message translations with a correct language setting on preview
* (bug 13281) Treat X-Forwarded-For, Client-ip and User-Agent headers as
  case-insensitive names.
* Adding the fix for lists in RTL wikis to more skins, and fixing the image toc
* (bug 8157) Remove redirects from Special:Unusedtemplates. Patch by WebBoy.
* (bug 10721) Duplicate section anchors with differing case now disambiguated
  for Internet Explorer's sake and standards compliance
* (bug 13298) Tighter limits on Special:Newpages limits when embedding
* Email subject in content language instead of sending user's UI language
* (bug 13251) Allow maintenance rebuild scripts to work with Postgres
* (bug 2084) Fixed incorrect regex to match redirects
* (bug 3131) Manually-specified upload destination filename is no longer
  overwritten by browsing for a file after you wrote it.
* (bug 7251) Sidebars generated by MediaWiki:Sidebar now have the class
  'generated-sidebar'.
* (bug 13265) Media handler is missing 'image/x-bmp'
* (bug 13407) MediaWiki:Powersearch is used in two places
* (bug 13403) Fix cache invalidation of history pages when old revisions change
* (bug 11563) Deprecated SearchMySQL4 class; merged code to SearchMySQL
* (bug 12801) Fix link in subtitle message in AJAX search
* (bug 13428) Fix regression in protection form layout HTML validity
* (bug 9403) Sanitize newlines from search term input
* (bug 13429) Separate date and time in message sp-newimages-showfrom
* (bug 13137) Allow setting 'editprotected' right separately from 'protect',     
  so groups may optionally edit protected pages without having 'protect' perms
* Disallow deletion of big pages by means of moving a page to its title and
  using the "delete and move" option.
* (bug 13466) White space differences not shown in diffs
* (bug 1953) Search form now honors namespace selections more reliably
* (bug 12294) Namespace class renamed to MWNamespace for PHP 5.3 compatibility
* PHP 5.3 compatibility fix for wfRunHooks() called with no parameters
* (bug 6447) Trackbacks now work with transactional tables, if enabled
* (bug 6892, 7147) Trackback error handling, optional fields more robust
* (bug 6813) Don't break HTML validator when using trackbacks
* Fix for size checks on SVG images with global 'stroke-width' attribute
* (bug 11874) Inline CSS with !important no longer borken
* (bug 1600) Strip extra == section markup == in new-comment field
* (bug 11325) Wrapped page titles in MonoBook skin spaced more nicely
* (bug 12077) Fix HTML nesting for TOC
* (bug 344) Purge cache for talk/article pages when deleting the other tab
* (bug 13436) Treat image captions correctly when they include option keywords
  (like ending with "px" or starting with "upright")
* Trackback display formatting fixed
* Don't die when single-element arrays are passed to SQL query constructors
  that have an array index other than 0
* (bug 13522) Fix fatal error in Parser::extractTagsAndParams
* (bug 13532) Use proper timestamp call when reverting images
* (bug 13543) Updated FAQ link in the installer sidebar
* (bug 13540) Date format in confirmation e-mail now matches message language
* (bug 13554) PHP Notice in old pre-processor when list item is empty.
* (bug 13556) Don't show a blank form if no image is attached in Special:Upload
* (bug 13576) maintenance/rebuildrecentchanges.php fails
* (bug 13441) Allow Special:Recentchanges to show bots only
* (bug 13431) Show true message source in Special:Allmessages&ot=php / xml

=== API changes in 1.13 ===

* Fixing main page display in meta=siteinfo
* (bug 13128) Added patrolled flag to list=recentchanges
* Implemented {bl,ei,iu}redirect (lists links through redirects as well)
* (bug 13154) Introduced subpages flag to meta=siteinfo&siprop=namespaces
* (bug 13157) Added ucuserprefix parameter to list=usercontibs
* (bug 12394) Added rctitles parameter to list=recentchanges, making rcid
  retrieval easier
* (bug 13218) Fix inclusion of " character in hyperlinks
* Added watch and unwatch parameters to action=delete and action=move
* Added action=edit
* (bug 11401) Added xmldoublequote to xml formatter
* Added rvsection parameter to prop=revisions to allow fetching the content of
  a certain section only
* Introduced list=allimages
* (bug 13371) Build page set from image hashes
* Mark non-existent messages in meta=allmessages as missing
* (bug 13390) One invalid title no longer kills an entire API query
* (bug 13419) Fix gblredirect so it actually works
* (bug 13418) Disable eiredirect because it's useless
* (bug 13395) list=allcategories should use category table
* (bug 13442) Missing pages in prop=langlinks and prop=extlinks are now 
  handled properly.
* (bug 13444) Add description to list=watchlist
* (bug 13482) Disabled search types handled properly
* Added inprop=talkid,subjectid to prop=info
* Added help text message that specifies whether a module is POST-only
* Added createonly parameter to action=edit
* Replaced $wgAPIUCUserPrefixMinLength by the more generic $wgAPIMaxDBRows
* (bug 11719) Remove trailing blanks in YAML output.
* (bug 13541) Added siprop=specialpagealiases to meta=siteinfo
* Added fallback8bitEncoding field to meta=siteinfo&siprop=general output
* (bug 13544) Added prop=revid to action=parse
* (bug 13603) Added siprop=usergroups to meta=siteinfo

=== Languages updated in 1.13 ===

* Afrikaans (af)
* Gheg Albanian (aln)
* Amharic (am)
* Aragonese (an)
* Arabic (ar)
* Asturian (ast)
* Kotava (avk)
* Samogitian (bat-smg)
* Bulgarian (bg)
* Catalan (ca)
* Crimean Turkish (Cyrillic) (crh-cyrl)
* Crimean Turkish (Latin) (crh-latn)
* Czech (cs)
* Welsh (cy)
* Danish (da)
* Lower Sorbian (dsb)
* Middle Dutch (dum) (removed)
* Greek (el)
* Esperanto (eo)
* Spanish (es)
* Estonian (et)
* Extremaduran (ext)
* Finnish (fi)
* Faroese (fo)
* French (fr)
* Franco-Provençal (frp)
* Friulian (fur)
* Irish (ga)
* Gan (gan)
* Galician (gl)
* Croatian (hr)
* Upper Sorbian (hsb)
* Hungarian (hu)
* Indonesian (id)
* Eastern Canadian (Unified Canadian Aboriginal Syllabics) (ike-cans)
* Icelandic (is)
* Italian (it)
* Japanese (ja)
* Georgian (ka)
* Kalaallisut (kl)
* Khmer (km)
* Latin (la)
* Luxembourgish (lb)
* Limburgish (li)
* Lao (lo)
* Lithuanian (lt)
* Malayalam (ml)
* Moldavian (mo)
* Marathi (mr)
* Low German (nds)
* Dutch (nl)
* Norwegian Nynorsk (nn)
* Norwegian (bokmål)‬ (no)
* Old Norse (non) (removed)
* Polish (pl)
* Pashto (ps)
* Portuguese (pt)
* Russian (ru)
* Yakut (sah)
* Sassaresu (sdc)
* Slovak (sk)
* Somali (so)
* Albanian (sq)
* Sranan Tongo (srn)
* Seeltersk (stq)
* Swedish (sv)
* Tamil (ta)
* Telugu (te)
* Tajik (tg)
* Thai (th)
* Turkish (tr)
* Tuvinian (tyv)
* Venda (ve)
* Vietnamese (vi)
* Volapük (vo)
* Wolof (wo)
* Mingrelian (xmf)
* Yiddish (yi)
* Cantonese (yue)
* Old Chinese / Late Time Chinese (zh-classical)
* Chinese (Simplified) (zh-hans)
* Chinese (Traditional) (zh-hant)

== Compatibility ==

MediaWiki 1.13 requires PHP 5 (5.1 recommended). PHP 4 is no longer supported.

PHP 5.0.x fails on 64-bit systems due to serious bugs with array processing:
http://bugs.php.net/bug.php?id=34879
Upgrade affected systems to PHP 5.1 or higher.

MySQL 3.23.x is no longer supported; some older hosts may need to upgrade.
At this time we still recommend 4.0, but 4.1/5.0 will work fine in most cases.


== Upgrading ==

1.13 has several database changes since 1.12, and will not work without schema
updates.

If upgrading from before 1.7, you may want to run refreshLinks.php to ensure
new database fields are filled with data.

If upgrading from before 1.11, and you are using a wiki as a commons repository,
make sure that it is updated as well. Otherwise, errors may arise due to
database schema changes.

If you are upgrading from MediaWiki 1.4.x or earlier, some major database
changes are made, and there is a slightly higher chance that things could
break. Don't forget to always back up your database before upgrading!

See the file UPGRADE for more detailed upgrade instructions.


=== Caveats ===

Some output, particularly involving user-supplied inline HTML, may not
produce 100% valid or well-formed XHTML output. Testers are welcome to
set $wgMimeType = "application/xhtml+xml"; to test for remaining problem
cases, but this is not recommended on live sites. (This must be set for
MathML to display properly in Mozilla.)

For notes on 1.12.x and older releases, see HISTORY.


=== Online documentation ===

Documentation for both end-users and site administrators is currently being
built up on MediaWiki.org, and is covered under the GNU Free Documentation
License (except for pages that explicitly state that their contents are in
the public domain) :

  http://www.mediawiki.org/wiki/Documentation


=== Mailing list ===

A MediaWiki-l mailing list has been set up distinct from the Wikipedia
wikitech-l list:

  http://lists.wikimedia.org/mailman/listinfo/mediawiki-l

A low-traffic announcements-only list is also available:

  http://lists.wikimedia.org/mailman/listinfo/mediawiki-announce

It's highly recommended that you sign up for one of these lists if you're
going to run a public MediaWiki, so you can be notified of security fixes.


=== IRC help ===

There's usually someone online in #mediawiki on irc.freenode.net