-
This file provides an overview of the MediaWiki upgrade process. For help with
specific problems, check
-* the documentation at https://www.mediawiki.org
+* the documentation at https://www.mediawiki.org/wiki/Special:MyLanguage/Help:Contents
* the mediawiki-l mailing list archive at
http://lists.wikimedia.org/pipermail/mediawiki-l/
-* the bug tracker at https://phabricator.wikimedia.org
+* the bug tracker at https://phabricator.wikimedia.org/
for information and workarounds to common issues.
== Overview ==
Comprehensive documentation on upgrading to the latest version of the software
-is available at https://www.mediawiki.org/wiki/Manual:Upgrading.
+is available at https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:Upgrading
=== Consult the release notes ===
the upgrade scripts are somewhat robust, there is no guarantee that things will
not fail, leaving the database in an inconsistent state.
-https://www.mediawiki.org/wiki/Manual:Backing_up_a_wiki provides an overview of
+https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:Backing_up_a_wiki provides an overview of
the backup process. You should also refer to the documentation for your
database management system for information on backing up a database, and to
your operating system documentation for information on making copies of files.
script. This will update the searchindex table for those pages that
contain double-byte latin characters.
+== Upgrading from 1.10 or earlier ==
+
+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.
+
== Upgrading from 1.8 or earlier ==
MediaWiki 1.9 and later no longer keep default localized message text
$wgLocalTZoffset was in hours, it is now using minutes.
+If upgrading from before 1.7, you may want to run refreshLinks.php to ensure
+new database fields are filled with data.
+
== Upgrading from 1.5 or earlier ==
Major changes have been made to the schema from 1.4.x. The updater
'upgrade1_5.php', can do this -- run it prior to 'update.php' or
the web upgrader.
-NOTE that upgrade1_5.php does not work properly with recent version
+NOTE that upgrade1_5.php does not work properly with recent versions
of MediaWiki. If upgrading a 1.4.x wiki, you should upgrade to 1.5
first. upgrade1_5.php has been removed from MediaWiki 1.21.