will still be blocked.
* The resetpassword right and associated password reset capture feature has
been removed.
+* The $error parameter to the EmailUser hook should be set to a Status object
+ or boolean false. This should be compatible with at least MediaWiki 1.23 if
+ not earlier. Returning a raw HTML string is now deprecated.
+* The $message parameter to the ApiCheckCanExecute hook should be set to an
+ ApiMessage. This is compatible with MediaWiki 1.27 and later. Returning a
+ code for ApiBase::parseMsg() will no longer work.
+* ApiBase::$messageMap is no longer public. Code attempting to access it will
+ result in a PHP fatal error.
+* $wgUserEmailUseReplyTo is now true by default to work around restrictive DMARC policies.
+* Subpages are now enabled by default in the Template namespace. Set
+ $wgNamespacesWithSubpages[NS_TEMPLATE] to false to keep the old behavior.
+* $wgRunJobsAsync is now false by default (T142751). This change only affects
+ wikis with $wgJobRunRate > 0.
=== New features in 1.29 ===
* (T5233) A cookie can now be set when a user is autoblocked, to track that user if
they move to a new IP address. This is disabled by default.
+* Added ILocalizedException interface to standardize the use of localized
+ exceptions, largely so the API can handle them more sensibly.
+* Blocks created automatically by MediaWiki, such as for configured proxies or
+ dnsbls, are now indicated as such and use a new i18n message when displayed.
+* Added new $wgHTTPImportTimeout setting. Sets timeout for
+ downloading the XML dump during a transwiki import in seconds.
+* Parser limit report is now available in machine-readable format to JavaScript
+ via mw.config.get('wgPageParseReport').
=== External library changes in 1.29 ===
==== Removed and replaced external libraries ====
=== Bug fixes in 1.29 ===
+* (T62604) Core parser functions returning a number now format the number according
+ to the page content language, not wiki content language.
=== Action API changes in 1.29 ===
* Submitting sensitive authentication request parameters to action=clientlogin,
body instead.
* The capture option for action=resetpassword has been removed
* action=clearhasmsg now requires a POST.
+* (T47843) API errors and warnings may be requested in non-English languages
+ using the new 'errorformat', 'errorlang', and 'errorsuselocal' parameters.
+* API error codes may have changed. Most notably, errors from modules using
+ parameter prefixes (e.g. all query submodules) will no longer be prefixed.
+* ApiPageSet-using modules will report the 'invalidreason' using the specified
+ 'errorformat'.
+* action=emailuser may return a "Warnings" status, and now returns 'warnings' and
+ 'errors' subelements (as applicable) instead of 'message'.
+* action=imagerotate returns an 'errors' subelement rather than 'errormessage'.
+* action=move now reports errors when moving the talk page as an array under
+ key 'talkmove-errors', rather than using 'talkmove-error-code' and
+ 'talkmove-error-info'. The format for subpage move errors has also changed.
+* action=revisiondelete no longer includes a "rendered" property on warnings
+ and errors for each item. Use errorformat=wikitext if you're wanting parsed
+ output.
+* action=rollback no longer returns a "messageHtml" property. Use
+ errorformat=html if you're wanting HTML formatting of error messages.
+* action=upload now reports optional stash failures as an array under key
+ 'stasherrors' rather than a 'stashfailed' text string.
+* action=watch reports 'errors' and 'warnings' instead of a single 'error', and
+ no longer returns a 'message' on success.
+* Added action=validatepassword to validate passwords for the account creation
+ and password change forms.
=== Action API internal changes in 1.29 ===
+* New methods were added to ApiBase to handle errors and warnings using i18n
+ keys. Methods for using hard-coded English messages were deprecated:
+ * ApiBase::dieUsage() was deprecated
+ * ApiBase::dieUsageMsg() was deprecated
+ * ApiBase::dieUsageMsgOrDebug() was deprecated
+ * ApiBase::getErrorFromStatus() was deprecated
+ * ApiBase::parseMsg() was deprecated
+ * ApiBase::setWarning() was deprecated
+* ApiBase::$messageMap is no longer public. Code attempting to access it will
+ result in a PHP fatal error.
+* The $message parameter to the ApiCheckCanExecute hook should be set to an
+ ApiMessage. This is compatible with MediaWiki 1.27 and later. Returning a
+ code for ApiBase::parseMsg() will no longer work.
+* UsageException is deprecated in favor of ApiUsageException. For the time
+ being ApiUsageException is a subclass of UsageException to allow things that
+ catch only UsageException to still function properly.
+* If, for some strange reason, code was using an ApiErrorFormatter instead of
+ ApiErrorFormatter_BackCompat, note that the result format has changed and
+ various methods now take a module path rather than a module name.
+* ApiMessageTrait::getApiCode() now strips 'apierror-' and 'apiwarn-' prefixes
+ from the message key, and maps some message keys for backwards compatibility.
=== Languages updated in 1.29 ===
regularly. Below only new and removed languages are listed, as well as
changes to languages because of Phabricator reports.
+* Based as always on linguistic studies on intelligibility and language
+ knowledge by geography, language fallbacks have been expanded. When a
+ translation is missing in the user's preferred interface language, the
+ corresponding translation for the fallback language will be used instead.
+ English will only be used as last resort when there are no translations.
+ Some configurations (such as date formats and gender namespaces) have also
+ been updated when using the fallback language's configuration was inadequate.
+ The new or reinstated language fallbacks are (after cs ↔ sk in 1.28):
+ hsb ↔ dsb, io → eo, mdf → ru, pnt → el, roa-tara → it.
+
==== No fallback for Ukrainian ====
* (T39314) The fallback from Ukrainian to Russian was removed. The Ukrainian
language will now use the default fallback language: English. When a translation
required as all sessions are stored in Object Cache now.
* MWHttpRequest::execute() should be considered to return a StatusValue; the
Status return type is deprecated.
+* User::edits() (deprecated in 1.21) was removed.
+* Xml::escapeJsString() (deprecated in 1.21) was removed.
+* Article::getText() and Article::prepareTextForEdit() (deprecated in 1.21)
+ were removed.
+* Article::getAutosummary() and WikiPage::getAutosummary (deprecated in 1.21)
+ were removed.
+* Hooks ArticleViewCustom, EditPageGetDiffText and ShowRawCssJs (deprecated in 1.21)
+ were removed.
+* Class RevisiondeleteAction (deprecated in 1.25) was removed.
+* WikiPage::prepareTextForEdit() (deprecated in 1.21) was removed.
+* WikiPage::getText() (deprecated in 1.21) was removed.
+* Article::fetchContent() (deprecated in 1.21) was removed.
+* User::getPassword() (deprecated in 1.27) was removed.
+* User::getTemporaryPassword() (deprecated in 1.27) was removed.
+* User::isPasswordReminderThrottled() (deprecated in 1.27) was removed.
+* FSRepo (deprecated in 1.19) was removed.
+* WebRequest::checkSessionCookie() (deprecated in 1.27) was removed. Use
+\MediaWiki\Session\SessionManager::singleton()->getPersistedSessionId() instead.
+* Class ImageGallery (deprecated in 1.22) was removed.
+ Use ImageGalleryBase::factory instead.
+* Title::moveNoAuth() (deprecated in 1.25) was removed. Use MovePage class instead.
+* Hook UnknownAction (deprecated in 1.19) was actually deprecated (it will now emit warnings).
+ Create a subclass of Action, and add it to $wgActions instead.
+* WikiRevision:getText() (deprecated since 1.21) is no longer marked deprecated.
== Compatibility ==