Warlords of Draenor hotfixes have been published the 01/07/2016 ! Here is the patch notes :
Patch 6.2.3 Hotfixes: January 7 (Source)
- Bug Fixes
- Healing Stream Totem or Healing Tide Totem (Restoration) should correctly now continue to heal even when the casting Shaman is under the effects of a Druid's Cyclone.