Blizzard has announced that the Wild Strikes Aura from Druids will become raid-wide during weekly maintenance.
In order to improve accessibility to the Wild Strikes/Windfury Totem effect, the Wild Strikes aura, which has been limited to the Druid’s party within 20 yards, will become raid-wide with a 100 yard radius.
This change will occur during scheduled weekly maintenance in each region. (Tomorrow morning, August 20 in this region)
For a time, the tooltip will still say that it is restricted to the party.
Read more on wowhead.com