Someone has recently commented on my KillingBlow_Enhanced AddOn that it doesn't work in Ashran when PvP only mode (i.e. only report killing blows when in PvP zones) is enabled. To detect if the current zone is a PvP zone, I'm calling IsInInstance and checking if the instance type (second return value) is "pvp" or "arena".
Is there an easy way to detect whether the current zone is a World PvP zone? The World Battlefield API section didn't have any obvious solution to this.