= 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 1.6 pre-pre-pre-pre-alpha ==

Misc work going on.....

Big things to note:
* MySQL 3.23.x is no longer supported.
* PHP 4.1/4.2 is no longer supported.


== Changes since 1.5 ==

* please fill in for the last couple weeks
* Rearranged Special:Movepage form to reduce confusion between destination
  title and reason input boxes
* (bug 2527) Always set destination filename when new file is selected
* (bug 3056) MySQL 3 compatibility fix: USE INDEX instead of FORCE INDEX
* PHP 4.1 compatibility fix: don't use new_link parameter to mysql_connect
  if running prior to 4.2.0 as it causes the call to fail
* (bug 3117) Fix display of upload size and type with tidy on
* (bug 3076) Support MacBinary-encoded uploads from IE/Mac
* (bug 2323) Remove "last" tabindex from history page
* (bug 3141) Partial support for Breton language (thanks Fulup).
* Partial support for Basque language (from wikipedia and meta)
* (bug 3116) Division by zero on [[Image:Foo.png|123x123px|]]
* Fix display of read-only lockfile message
* Update all stats fields on recount.sql
* Include software-visible client IP address in Special:Version comment
  as a proxy debugging aid
* (bug 3170) Page Title failed to obey MediaWiki:Pagetitle.
  wikititlesuffix was removed
* (bug 3177) Estonian date formats not implemented in LanguageEt.php
* Add ability to break off certain debug topics into additional log files;
  use $wgDebugLogGroups to configure and wfDebugLog() to log.
* Finnish date format was hardcoded, now implemented properly
* (bug 3190) Added some date format choices for language sr
* (bug 1334) LanguageGa.php update
* (bug 1020) Changing user interface language does not work immediately
* (bug 2753) Some namespaces were not translated in LanguageTa.php (Tamil)
* (bug 3204) Fix typo breaking special pages in fy localization
* Oracle support
* Edit conflict on recreation of deleted page
* (bug 3210) Fix Media: links with remote image URL path
* (bug 1956) Hide bot uploads from Special:Newimages
* (bug 3216) Don't show empty warning page when no warnings.
* (bug 3218) Use proper quoting on history Compare Revisions button
* (bug 3220) Fix escaping of block URLs in Recentchanges
* (bug 3227) Fix SQL injection introduced in experimental code
* Move ArticleSave hook execution into Article insert/update functions,
  so they get called on non-EditPage actions that use these functions
  to create or update pages.
* Fix table prefix usage in Block::enumBlocks
* (bug 3244) Fix remote image loading hack, JavaScript injection on MSIE
* Fix upgrade from 1.4 due to version number check breakage [for rc future]
* Fix upgrade from 1.4 with no old revisions
* Remove "info" editing toolbar that was shown in browsers which do not
fully support the editing toolbar, but was found to be too confusing.
* (bug 2554) Tell users they are uploading too large file
* (bug 3271) Updated LanguageNn.php for HEAD
* (bug 3280) Respect 'move' group permission on page moves
* (bug 2613) Clear saved passwords from the form
* Finally dropped MySQL 3.23.x support
* Experimental feature to allow translation of block expiry times
  Implementation only for Finnish currently
* (bug 3284) Ipblocklist paging, substring search
* Allow filtering of robot edits in Special:Watchlist by stting 
  $wgFilterRobotsWL = true.
* (bug 2885) More PHP 5.1 fixes: skin, search, log, undelete
* Fix interlanguage links on special pages when extra namespaces configured
* IP privacy fix for blocklist search on autoblocks
* Support for a license selection box on Special:Upload, configurable from MediaWiki:Licenses
* Security fix for <math>
* Security fix for tables
* Security fix for Special:Upload license selection list
* Don't override edit conflict suppression on section edits; section merging
  should provide the expected transparency here and fits usage patterns better.
* (bug 3292) Fix move-over-redirect test when current entries are not plaintext
* (bug 2078) Don't hide watch tab on preview
* (bug 3306) Document $wgLocalTZoffset
* (bug 3304) Language file for Croatian (LanguageHr.php)
* (bug 2143) Update Vietnamese interface
* Add 'reupload' and 'reupload-shared' permission keys to restrict new uploads
  overwriting existing files; default is the old behavior (allowed).
* Use strval() to make sure we don't accidentally get null on bad revision
  text loads or other fields mucking up XML export output
* Add UploadVerification hook for custom file upload validation/security checks
* (bug 3063) Remove some hardcodings from Hebrew localisation
* Support SVG rendering with rsvg
* Cap arbitrary SVG renders to given image size or $wgSVGMaxSize pixels wide
* (bug 3127) Render large SVGs at image page size correctly
* Fix regressions in ChangesList traditional layout
* Fix edit on double-click for move-protected pages in Classic skin
* Fix scaling of non-integer SVG unit sizes
* (bug 3408) Bulgarian formatNum corrected
* (bug 3448) Set page_len on undelete
* (bug 3405) Don't use raw letters as aliases of MSGNW: and SUBST:
* (bug 2800) Don't scale up small images on |thumb| without explicit size
* Use the real file link instead of the default-size rasterized version for
  large SVG images on image description page
* Include the file name/type/size line for non-resized images
* (bug 1512) Disable x-code interp on Esperanto URLs for now, it does more
  harm than good under current system by breaking incoming URLs with "ux".
  (Editing is not affected, just URLs.)
* (bug 3412) Clean up date format handling so ~~~~-sigs work with default
  format as designed. Documentation comments updated.
* (bug 1423) LanguageJa.php update
* Clean up duplicate code for selection of changeslist style
* (bug 3475) anon contrib links on Special:Newpages
* Correct blob caching to reduce redundant blob loads on backups
* (bug 3485) Fix bogus warning about filename capitalization when off
* (bug 2792) Update rebuildrecentchanges.inc for new schema
* Special:Import/importDump fixes: report XML parse errors, accept <minor/>
* (bug 3489) PHP 5.1 compat problem with captioned images
* (bug 2570) Add 'watch this page' checkbox on uploads, watch uploads
  by default when 'watchdefault' option is on
* Skip update of disused 'rc_cur_time' field (todo: discard the field)
* (bug 3506) Avoid MySQL error when Listusers returns no results
* (bug 3182) Clear link cache during import to prevent memory leak
* Add options to dumpBackup.php for making split/partial dumps by page id
* Fix language name for dv
* (bug 3503) Update LanguageSq.php from sq.wikipedia.org messages
* Added EditFilter hook, and output callback on EditPage::showEditForm()
  for a place to add in captcha-type extensions in the edit flow
* Added filter options, compression piping, and multiple output streams for
  dumpBackup.php
* (bug 3595) Warn and abort if importDump.php called in read-only mode.
* (bug 3598) Update message cache on message page deletion, patch by Tietew
* Added separate noarticletext and newarticletext messages for logged in and anon users.
* Blacklist additional MSIE CSS safety tricks
* (bug 3332) Installation now uses Monobook, validates, plus usability improvements.
* (bug 3629) Fix date & time format for Frisian
* (bug 3643) Fix image page display of large images with resizing disabled
* (bug 3334) Namespace changes for Polish
* (bug 3660) Update diff3 detection to work with Windows/Cygwin
* Fix meta robots tag on Special:Version again to avoid listing vulnerable
  versions for convenient harvesting by automated worms
* (bug 3580) Change default Dutch language file to more neutral
* (bug 3656) LanguageHr.php - added convertPlural
* (bug 3414) LanguageBe.php - added convertPlural
* (bug 3163) Full translation of LanguageBr
* (bug 3617) Update for portuguese language (pt)
* Namespaces hacks on LanguagePl
* New preferences design and reorganisation
* (bug 3684) Fix typo in fatal error backtraces in Hooks.php
* (bug 3682) LanguageSr.php - added convertPlural
* (bug 3694) LanguageTr.php update
* (bug 2369) Add separate message for input box on Special:Prefixindex
* Fix for hook callbacks on objects containing no fields
* (bug 3711) Removed invisible unicode characters from LanguageHu
* (bug 2330) Don't do funny thinks with "links" in MediaWiki:Undeletedtext
* Two-pass data dump for friendliness to the DB (--stub, then dumpTextPass.php)
* Data dump 'prefetch' mode to read normalized text from a prior dump
  (requires PHP 5, XMLReader extension)
* (bug 2773) Print style sheet no longer overrides RTL text direction
* (bug 2938) Update MediaWiki:Exporttext to be more general
* Fixed possible infinite loop in formatComment
* Added a limit to the size of image files which can be thumbnailed
* (bug 2981) Linktrail for Tamil (ta)
* (bug 3722) Update of Arabic language (ar) Namespace changes
* Wrap message page insertions in a transaction to speed up installation
* Avoid notice warning on edit with no User-Agent header
* Various fixes
* Fix wfMsg*() replacements; args containing literal $[2-9] were wiped
* Added @import for [[MediaWiki:Common.css]] to all skins
* Removed hardcoded Norwegian (no) project namespaces
* (bug 3735) Fix to run under MySQL 5's strict mode
* (bug 3786) Experimental support for MySQL 4.1/5.0 utf8 charset mode
  NOTE: Enabling this may break existing wikis, and still doesn't
  work for all Unicode characters due to MySQL limitations.
* Sanitizer CSS comment processing order fix
* Edit box now remembers scrollbar position on preview
* (bug 3798) DoubleRedirects no longer has hard coded arrows
* (bug 2324) image for redirects should be without text and oriented according to content language
* (bug 3803) Fix links on Special:Wantedcategories with miser mode off
* Fix Special:BrokenRedirects on MySQL 5.0
* (bug 3807) Fix 'all' in namespaces drop-down on contribs, rc
* Fail gracefully on invalid namespace in Special:Newpages
* (bug 3806) Gracefully fall back to client-side scaling on |thumb| image
  that passes $wgMaxImageArea
* MySQL 5.0 strict mode fix for moving unwatched pages
* (bug 3816) Throw edit conflict instead of fatal error when a page is
  moved or deleted during section edit
* (bug 3782) Throw fatal installation warning if mbstring.func_overload on.
  Why do people invent these crazy options that change language semantics?
* (bug 3762) Define missing Special:Import UI messages
* (bug 3771) Handle internal functions in backtrace in wfAbruptExit()
* (bug 3649) Remove obsolete, broken moveCustomMessages script
* (bug 3291) 'last' diff link for last history line when not at end
* Avoid numerous redundant latest-revision lookups in history
* Ability to set the table name for external storage servers
* (bug 3667) Add missing global in page move code
* (bug 3761) Avoid deprecation warnings in Special:Import
* (bug 2885) Remove unnecessary reference parameter which broke classic skin
  talk notification on PHP 5.0.5
* Fix Parser::unstrip on PHP 5.1.0RC4
* (bug 3852) "Redirected from" link no longer obscured on double-redirects
* (bug 3845) Update attribute.php for 1.5 schema
* changed directory hierarchy in images/math/. System upgrades from old to
  new hierarchy on the fly.
* (bug 3487) Fix category edit preview with preview-on-bottom
* (bug 918) Search index incorrectly joined words at == headings ==
* (bug 3877) Render math images into temp directory, then move to hashed
  subdir so you can render new math images and have them work
* (bug 3797) Don't expand variables and sigs in comments
* (bug 3666) Don't spew PHP warnings in prefs on unrecognized site language
* (bug 2392) Fix Atom items content type, upgrade to Atom 1.0
* Allow $wgFeedCacheTimeout of 0 to disable feed caching
* Fix WebRequest::getRequestURL() to strip off the host bits squid prepends
* Require POST for action=purge, to stop bots from purging the cache
* (bug 3817) Use localized date formats in preferences; 'no preference' option
  localizable as 'datedefault' message. Tweaked lots of languages files...
* Added local message cache feature ($wgLocalMessageCache), to reduce bandwidth
  requirements to the memcached server.
* Forbid usernames that can be interpreted as titles with namespaces, as that
  leads to hard-to-manage names.
* (bug 2721) Regression: Use European number separators for vi: wikis
* Allow parser cache on redirect targets
* (bug 3562) for go search, try Caps-Variants-Broken-At-Non-Whitespace
* (bug 2569) Use PATH_SEPARATOR instead of trying to guess based on
  DIRECTORY_SEPARATOR (was wrong on NetWare)
* Require PHP 4.3.2 or higher strictly now.
* Run wikitext-escaping on plaintext sigs (no wiki markup, just name)
* Check for unbalanced HTML tags on raw sigs (markup allowed, but show
  a warning in prefs and use default sig if not balanced)
* (bug 2740) Accept image deletions on 'enter' submit from MSIE
* (bug 3939) Don't try to load text for interwiki redirect target
* Respect <noinclude> and <includeonly> during {{subst:}} expansion as well as
  ordinary templates.
* (bug 3948) Avoid notice warning in debug statement in bad search
* (bug 3961) minor languageDe changes
* (bug 1984) LanguageKo.php (Korean) update
* (bug 3804) update of LanguageWa.php file
* Recognize Special:Search consistently so read whitelist works
* (bug 3999) Change atom 1.0 feed id; had been unnecessarily complex due to
  unclear language in the spec. Now using the URL, same as the permalink,
  which someone else will probably whine about because it's not 'perma'
  enough or something.
* (bug 4014) Fix include mode for Allpages on small page sets
* (bug 3996) Fix text for new entries in RC RSS/Atom feed
* (bug 3886) Update for Portuguese language (pt)
* (bug 4020) Update namespaces for ms
* (bug 2894) Enhanced Recent Changes link fixes
* (bug 4059) fix 'hide minor edits' on Recentchangeslinked
* (bug 3922) bidi embedding overrides on category links
* (bug 146) List number of category members in Special:Categories
  (patch by Joel Nothman)
* (bug 4061) Update of Slovene namespace names (LanguageSl.php)
* (bug 4064) LanguageDe comma changes
* (bug 3065) Update both watched namespaces when renaming pages
* Changed mail form to have a bigger message entry box (like for editing
  a page
* Support <includeonly> in templates loaded through preload= parameter
* Fix ulimit parameters for wfShellExec when memory_limit is specified in 'm'
* (bug 3979) Save correct {{REVISIONID}} into parser cache on edit
* Substitute {{REVISIONID}} correctly in diff display
* (bug 4090) Fix diff links in Special:Recentchangeslinked
* (bug 4093) '&bot=1' in Special:Contributions now propagate to other links
* Fix display of old recentchanges records for page moves
* (bug 2111) Collapsable exif metadata table, clean up display
* Reduce fractions in display of exif exposure time
* (bug 4048) Optional footer link to site privacy policy
* (bug 3922) Further tweaks to bidi overrides in category list for old
  versions of Safari and Konqueror
* Don't die() when update.php reaches the end of the warning count
* (bug 4071) Generate passwords long enough for $wgMinimalPasswordLength
* (bug 1915) Fix edit links when 'direction' used with 'oldid';
  using revision ID reported via OutputPage; Skin::editUrlOptions()
* Remove obsolete 'redirect=no' on some edit links
* Include oldid for the second revision on edit link on diff view
* (bug 4035) Fix prev/next revision links on edit page
* Fix custom namespaces on wikis set for Portuguese
* Major overhaul of Special:Userlogin
* Update ipblocks table in MySQL 5 table defs
* (bug 4100, 3049) Add 'edittools' message to hold edit tools, put it
  on Special:Upload as well as edit, rearrange edit page pieces a bit.
  Copyright warning now above the buttons to ensure it's visible,
  template list at the bottom so it can grow.
* Tweak infinite-template-handling loop for PHP 5.1.1 string handling change
* (bug 1850) Allow red-links on image pages linked with [[:image:foo]]
* (bug 360) Let Whatlinkshere track [[:image:foo]] links
* (bug 4153) Fix block length localizations in Greek
* Fix XML validity checks in parser tests on PHP 5.1
* (bug 3844) ab: av: ba: ce: & kv: now inherit from LanguageRu.php
             ii: & za: now inherit from LanguageZn_cn.php
* Optional summary parameter to action=rollback, for user javascript
* (bug 153) Adjust thumbnail size calculations to match consistently;
  patch by David Benbennick
* (bug 4162) Add $wgThumbnailEpoch timestamp to force old thumbs to
  be rerendered on demand, sitewide
* (bug 4165) Correct validation for user language selection (data taint)
* Add createpage and createtalk permission keys, allowing a quick
  switch to disable page creation for anonymous users.
* (bug 4167) Fix regression caused by patch for bug 153
* (bug 1850) Additional fixes so existing local and remote images
  get a blue link even if there's no local description page
* (bug 4169) Use $wgLegalTitleChars in pipe trick conversions
* (bug 4170) Decode HTML character escapes in sort key
* Avoid FATAL ERROR when creating thumbnail of non-existing image
* (bug 4192) Remove silly 'The Free Encyclopedia' default sitesubtitle
* (bug 4201) Fix user-talk mode for Enotif, and general code cleanup
* (bug 4207) Wrong image size when using 100x200px syntax to scale image up
  patch by David Benbennick
* (bug 4214) Skip redundant action text inserts into the HTML <title>
* (bug 4212) Skip redundant meta-robots tag for default settings
* Use content-lang for sitenotice
* (bug 4233) Update LanguageJa.php
* Fix regression: old version missing from edit links in Nostalgia skin
* (bug 1600) Trigger edit conflict on duplicate section=new submissions
* (bug 4001) Use local variables properly in wikibits.js akeytt()
* Fix regression: old version missing from edit links on CSS/JS pages
* (bug 3073) Keep search parameter on paging in Special:Newimages
* (bug 3211) Include Date, To mail headers when using PEAR::Mail
* (bug 3407) Fix encoding of subject and from/to headers on notification
  mails; userMailer() now takes a MailAddress wrapper object instead of
  a raw string to abstract things a level.
* (bug 4258) Use ugly urls for ISAPI by default
  patch by Rob Church
* Fixed --server override on dumpTextPass.php
* Added plugin interface for dumpBackup, so additional filters and output
  sink types can be registered at runtime from an extension
* (bug 4279) Small correction to LanguageDa.php
* (bug 349) Fix for some numeric differences not being highlighted
  patch by Andrius Ramanauskas
* Removed FulltextStoplist.php, no longer used (was for MySQL 3.x workaround)
* (bug 4298) Include rc_id on enhanced RC singleton diff links for patrolling
* Did some refactoring on ChangesList.php merging dupe code
* (bug 1586) Fix interwiki generator for wikimedia obscure domains
* (bug 3493) Mark edits patrolled when they are reverted
  patch by Leon Planken
* Add a hook for additional user creation throttle / limiter extensions
* Use $wgOut->parse() in wfGetSiteNotice() instead of creating a new parser
  instance. This allows use of extension hooks if required.
* Removed experimental Amethyst skin from default set
* Upgrade old skin preferences properly at Special:Preferences
  (used to spontaneously switch to Classic skin for old numeric pref records)
* Added AutoAuthenticate hook for external User object suppliers
* (bug 3424) Update page_touched for category members on category page creation
* (bug 4108, 4336) Remove trailing whitespace from various messages, which
  mucks up message updating to create dupe entries
* (bug 1735) Revamped protection interface
* (bug 675) Add page protection level for unregistered/new accounts
* User::isNewbie now uses the registration date and $wgAutoconfirmAge
* Log views show message when no matches
* Fix raw sitenotice display on database error
* Fix autoconfirm check for old accounts
* (bug 4368) Don't show useless empty preview on new section creation
* Don't show useless empty preview on new page creation
* (bug 4377) "[" is not valid in URLs
* Don't delete thumbnails when refreshing exif metadata. This caused thumbs
  to vanish mysteriously from time to time for files that didn't have metadata.
* Added 'PageRenderingHash' hook for changing the parser cache hash key
  from an extension that changes rendering based on nonstandard options.
* Add 'deletedhistory' permission key for ability to view deleted history
  list via Special:Undelete. Default is off, replicating the 1.5 behavior,
  but it can be turned back on for random users to replicate the previous
  1.6 dev behavior.
* Add 'GetInternalURL' hook to match the GetFullURL and GetLocalURL ones
* (bug 4389) Fix math options on zh-hk and zh-tw (but not localized)
* Remove unused OutputPage::addCookie()
* Set cookies to secure mode based on use of HTTPS or $wgCookieSecure
* (bug 4392) Update of LanguageSr.php
* (bug 4382) Frisian numeric format
* (bug 4411) Fix messages diff link for classic skin
* (bug 4385) Separate parser cache entries for non-editing users, so section
  edit links don't vanish / appear unwanted on protected pages
* (bug 2726, 3397) Fix [[Special:]] and [[:Image]] links in action=render
* (bug 4419) Remove obsolete magnify.png.old
* Fix for short_open_tag off again; please don't break this, guys
* Removed Special:Validate, it's been superseded by the Review extension
* (bug 4424) Update for Spanish language (es) 100% messages translated
* (bug 4425) Typos in Polish translation
* (bug 4426) Add link to user_talk page on image pages
* Added templatelinks table, to track template inclusions. User-visible effects
  will be:
  * (inclusion) tag for inclusions in Special:Whatlinkshere
  * More accurate list of used templates on the edit page
  * More reliable cache invalidation when templates outside the template
    namespace are changed
* Removed $wgUseCategoryMagic option, categories are now enabled unconditionally
* (bug 4359) red [[user:#id]] links generated in [[special:Log]]
* (bug 3318) UI workarounds for disabled items in license selector
  MSIE/Win: items now grayed out, JS will revert to 'non selected' if clicked
  Safari: JS will revert to 'non selected' if clicked (but not gray)
  MSIE/Mac: indented items now visible (JS hack)
* (bug 4436) Update for Turkish language (tr)
* (bug 4413) Update of Farsi language file (LanguageFa.php)
* Update for LanguageSr (Serbian): magic words
* (bug 4371) Disallow tilde character in signatures
* (bug 1996) Special page to list redirects
* (bug 137) MediaWiki:Copyrightwarning hardcoding
* (bug 714) "plainlinks" class issues in IE, Opera
* (bug 4317) Inconsistent "broken redirects" messages
* Default interface text for "selflinks" tweaked
* Removed broken wgAllowAnonymousMinor and added new group right minoredit
* (bug 4457) Update for Portuguese language (pt)
* convertPlural breakage fixed a little
* (bug 4456) Add hook for marking article patrolled
* (bug 3194) default implementation of translateBlockExpiry
  which uses ipboptions
* (bug 4446) $wgExportAllowHistory option to explicitly disable history in
  Special:Export form, 'exportnohistory' message to translate live hack.
* (bug 4453) fix for __TOC__ dollar-number breakage
* Maintenance script to delete unused user accounts

=== 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 1.5.x and older releases, see HISTORY.


=== Online documentation ===

Documentation for both end-users and site administrators is currently being
built up on Meta-Wikipedia, and is covered under the GNU Free Documentation
License:

  http://meta.wikipedia.org/wiki/Help:Contents


=== Mailing list ===

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

  http://mail.wikipedia.org/mailman/listinfo/mediawiki-l

A low-traffic announcements-only list is also available:
  http://mail.wikipedia.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