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= MediaWiki 1.39 =
== MediaWiki 1.39.0-PRERELEASE ==
THIS IS NOT A RELEASE YET
MediaWiki 1.39 is an alpha-quality development branch, and is not recommended
for use in production.
== Upgrading notes for 1.39 ==
Don't forget to always back up your database before upgrading!
See the file UPGRADE for more detailed per-version upgrade instructions from the
oldest supported upgrading version, MediaWiki 1.31.
Some specific notes for MediaWiki 1.39 upgrades are below:
* …
For notes on 1.38.x and older releases, see HISTORY.
=== Configuration changes for system administrators in 1.39 ===
* …
==== New configuration ====
* $wgCopyUploadAllowOnWikiDomainConfig – Configures if administrators can use
the MediaWiki:Copyupload-allowed-domains system message to define which
domains can be used with the upload-by-url tool.
* …
==== Changed configuration ====
* …
==== Removed configuration ====
* …
=== New user-facing features in 1.39 ===
* …
=== New developer features in 1.39 ===
* …
=== External library changes in 1.39 ===
* …
==== New external libraries ====
* Added Codex v0.1.0-alpha.5
* …
===== New development-only external libraries =====
* …
==== Changed external libraries ====
* …
===== Changed development-only external libraries =====
* …
==== Removed external libraries ====
* …
=== Bug fixes in 1.39 ===
* …
=== Action API changes in 1.39 ===
* …
=== Action API internal changes in 1.39 ===
* …
=== Languages updated in 1.39 ===
MediaWiki supports over 350 languages. Many localisations are updated regularly.
Below only new and removed languages are listed, as well as changes to languages
because of Phabricator reports.
* …
=== Breaking changes in 1.39 ===
* The following methods, deprecated since 1.37, have been removed from IDatabase
- ::fetchObject()
- ::fetchRow()
- ::numRows()
- ::freeResult()
* EventRelayerKafka, deprecated in 1.38, was removed.
* MediaWiki\Logger\Monolog\KafkaHandler, deprecated in 1.38, was removed.
* Database::wasKnownStatementRollbackError() was removed. Subclasses should
override isKnownStatementRollbackError() instead.
* Changes to skins:
- The feature `legacy` used inside ResourceLoaderSkinModule,
deprecated in 1.37, will no longer ship any styles.
* …
=== Deprecations in 1.39 ===
* PageProps::getInstance(), deprecated since 1.38, emits deprecations warnings.
* …
=== Other changes in 1.39 ===
* …
== Compatibility ==
MediaWiki 1.39 requires PHP 7.3.19 or later and the following PHP extensions:
* ctype
* dom
* fileinfo
* iconv
* intl
* json
* mbstring
* xml
MySQL/MariaDB is the recommended DBMS. PostgreSQL or SQLite can also be used,
but support for them is somewhat less mature.
The supported versions are:
* MySQL 5.5.8 or later
* PostgreSQL 9.4 or later
* SQLite 3.8.0 or later
== Online documentation ==
Documentation for both end-users and site administrators is available 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):
https://www.mediawiki.org/wiki/Special:MyLanguage/Documentation
== Mailing list ==
A mailing list is available for MediaWiki user support and discussion:
https://lists.wikimedia.org/mailman/listinfo/mediawiki-l
A low-traffic announcements-only list is also available:
https://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.libera.chat.
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