Alex Monk wrote:
Then someone will need to create a bughttps://bugzilla.wikimedia.org/enter_bug.cgi?product=Wikimediain the under Site Configuration for a configuration change. The usual process from there is someone writing the actual PHP file change, uploading it for review and eventually a WMF staff member with shell access approving and deploying it.
Most of this process is documented at https://meta.wikimedia.org/wiki/Requesting_wiki_configuration_changes.
MZMcBride