Last modified: 2013-05-16 22:04:58 UTC
See, for example, http://wiki121.countingopinions.com/ vs http://wiki.countingopinions.com/ -- especially the Template:Announcements page on that wiki. On 1.19 it is rendered as http://wiki.countingopinions.com/index.php/News:Announcements and on the 1.21 installation it is rendered as news:Announcements%7CAnnouncements. I'm going to posit that most people use "News:" as a prefix more often for their articles (as MW allowed in the past) and are not even aware that it could be used as a schema for a url.
Originally brought up here: https://www.mediawiki.org/wiki/Project:Support_desk#x.5BRESOLVED.5D_Upgrading_beyond_1.19_is_causing_errors_with_links_to_the_News:_namespace_26094 Workaround: $wgUrlProtocols = array_diff( $wgUrlProtocols, array( 'news:' ) ); at the bottom of LocalSettings.php
Per bug 41960, maybe we should just remove it anyway..