--- a/WorldQuests.lua	Fri Jan 20 19:57:42 2017 -0500
+++ b/WorldQuests.lua	Wed Feb 01 17:44:20 2017 -0500
@@ -171,6 +171,14 @@
     end
   elseif event == 'SKILL_LINES_CHANGED' then
     self:Refresh(true)
+  elseif event == 'ARTIFACT_UPDATE' then
+    local ak = C_ArtifactUI.GetArtifactKnowledgeMultiplier()
+    if ak and (ak ~= self.akLevel) then
+      self.akLevel = ak
+      self.ArtifactPowerDirty = true
+      -- artifact knowledge changed
+      self:Refresh(true)
+    end
   end
 end
 
@@ -227,7 +235,7 @@
     end
   end
 
-  if not pin.dataLoaded then
+  if (not pin.dataLoaded) or self.ArtifactPowerDirty then
     pin:GetData()
   end
 
@@ -443,6 +451,8 @@
   self:Cleanup (fromUser)
   self.isStale = nil
   self.sizesDirty = nil
+
+  self.ArtifactPowerDirty = nil
 end
 
 -- update visibility states of all pins
@@ -539,12 +549,12 @@
       if oV == false then
         print('|cFF00FF00cleanup +|r', questID, pin.title)
       end
+      pin:Show()
     else
       if oV == true then
         print('|cFFFF4400 -|r', questID, pin.title)
       end
-      pin.isStale = true
-      pin:SetShown(false)
+      pin:Hide()
     end
   end
 end