MediaWiki 1.29 requires PHP 5.5.9 or later. There is experimental support for
HHVM 3.6.5 or later.
-MySQL is the recommended DBMS. PostgreSQL or SQLite can also be used, but
-support for them is somewhat less mature. There is experimental support for
+MySQL/MariaDB is the recommended DBMS. PostgreSQL or SQLite can also be used,
+but support for them is somewhat less mature. There is experimental support for
Oracle and Microsoft SQL Server.
The supported versions are:
table, the schema update may take quite long (minutes on a medium sized site,
many hours on a large site).
-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 upgrading from before 1.7, you may want to run refreshLinks.php to ensure
-new database fields are filled with data.
-
-If you are upgrading from MediaWiki 1.4.x or earlier, you should upgrade to
-1.5 first. The upgrade script maintenance/upgrade1_5.php has been removed
-with MediaWiki 1.21.
-
Don't forget to always back up your database before upgrading!
-See the file UPGRADE for more detailed upgrade instructions.
+See the file UPGRADE for more detailed upgrade instructions, including
+important information when upgrading from versions prior to 1.11.
For notes on 1.28.x and older releases, see HISTORY.