archive.ar_len field.
=== Bug fixes in 1.22 ===
+* (bug 47271) $wgContentHandlerUseDB should be set to false during the upgrade
* Disable Special:PasswordReset when $wgEnableEmail is false. Previously one
could still navigate to the page by entering the URL directly.
* (bug 47138) Fixed a fatal error when a blocked user tries to automatically