FYI
An small editing outage.
https://meta.wikimedia.org/wiki/Tech/Server_switch_2016
Gordo
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You will be able to read, but not edit, all wikis for a short period of
time.
You will not be able to edit for approximately 15 to 30 minutes on
Tuesday, 19 April and Thursday, 21 April, starting at 14:00 UTC (15:00
BST, 16:00 CEST, 10:00 EDT, 07:00 PDT).