I'm planning on updating Wikimedia's copy of MediaWiki to the version
we are calling 1.16wmf4, a few hours from now. There will be a brief
period of read-only time (about 15 minutes) while I do a schema update.
If the site breaks, then please report it on #wikimedia-tech on Freenode.
-- Tim Starling
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Could everyone *please* test their bugfixes locally before they commit
them, backport them and have them deployed? A major deployment is not
a good excuse to skip this evidently very useful practice.
If the site is completely down for everyone then maybe there is a case
that you couldn't make it worse than it already is. But I've seen
fatal errors converted to massive data loss so I'm completely
convinced by that argument either. But most bug fixes do not have that
level of urgency.
And just to make it clear that I am not singling anyone out with this
post, I have seen at least four developers do this in the last two days.
-- Tim Starling