Warlords of Draenor hotfixes have been published the 01/06/2016 ! Here is the patch notes :
Patch 6.2.3 Hotfixes: January 6 (Source)
Legendary Ring Quest Line
- Players who have acquired the most powerful rewards from Khadgar's Legendary questline by completing Draenor's Blessing (Horde) or Light Be With You(Alliance) may now purchase Crystallized Fel from Zooti Fizzlefury in Talador or Dawn-Seeker Krisek in Tanaan Jungle for 1250 Valor.
Creatures and NPCs
- Fixed an issue that could cause characters to be unable to loot The Bonechewer Spear that appears after defeating Viperlash.
Spires of Arak
- Fixed an issue that could cause characters to be unable to loot Varasha's Egg that appears after defeating Varasha.
- Savage Snowball should no longer incorrectly cause other players to be flagged for PvP combat.