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How to find out which version of MediaWiki you use

This guide shows you how to see the exact version number of your MediaWiki website. You need it when you update the site or ask for help.

CMS and Apps2 min read10 steps

What is MediaWiki?

MediaWiki is free software for building a wiki. A wiki is a website where many people can write and edit pages together. Wikipedia runs on MediaWiki.

Why does the version matter?

Software gets new releases over time. Each release has a number, like 1.39.2. Newer releases fix bugs and security holes. Add-ons also need a matching version to work. Knowing your number helps you decide if an update is due.

Method 1: Use the Version page

This is the easiest way. You do not need to log in.

  1. Open your web browser.
  2. Type your wiki address, then add /index.php?title=Special:Version at the end.
  3. Press Enter.
  4. Look at the table called Installed software.
  5. Find the row named MediaWiki. The number next to it is your version.

On many wikis you can also type Special:Version into the search box on the site.

The same page also shows your PHP version and your database version. It lists your installed extensions too. An extension is a small add-on that gives the wiki a new feature.

Method 2: Look at the files

Use this if the wiki shows an error and the page will not open.

  1. Log in to your Hostvento client area at https://secure.hostvento.com/clientarea.php.
  2. Open your hosting control panel from the Services menu.
  3. Open File Manager. This is a tool that lets you see the files of your website.
  4. Go to the folder where MediaWiki is installed.
  5. Open the file named includes/Defines.php and look for the line with MW_VERSION. In older releases, look in includes/DefaultSettings.php for $wgVersion.

The number on that line is the version. Do not change anything in the file. Just read it and close it.

Tip: If you installed MediaWiki with an app installer, the installer's list of your apps may also show the version. Ask Hostvento support if you cannot find it.

Quick recap

  • Open Special:Version on your wiki to see the version.
  • Look for the MediaWiki row in the Installed software table.
  • If the site is broken, read the version from the files with File Manager.
  • Do not edit those files.
  • Need help? Open a ticket at https://secure.hostvento.com/submitticket.php.