Thread:Project:Support desk/MW1.20.5 Upgrade/reply

Hey Jesus!

If you want to have a secure system, then you could first try an update to 1.19.6. This version is current, updating to it from 1.19.0 is rather easy and you will still get security updates for version 1.19 for a while.

When you want to update to 1.20, you should make a backup first (that is always a good idea). After updating MediaWiki itself, you also need to update the extensions to the version, which is provided for MediaWiki 1.20. Then you will have to test, that all extensions are still working (which might not be the case). Having a look at the Git repo of the Symantic Extension they at least do regular updates. However, no one can guarantee you, that your installation will not be affected by a bug. To know that you must try and see. :-)