UNIT_INVENTORY_CHANGED -> PLAYER_EQUIPMENT_CHANGED

api/unitframes.lua

@@ -1014,7 +1014,7 @@ function pfUI.uf.OnEvent()
     -- Raid frames: update_full is set by raid.lua GUID tracker
   elseif this.label == "pet" and event == "UNIT_PET" then
     this.update_full = true
-  elseif this.label == "player" and (event == "PLAYER_AURAS_CHANGED" or event == "UNIT_INVENTORY_CHANGED") then
+  elseif this.label == "player" and (event == "PLAYER_AURAS_CHANGED" or event == "PLAYER_EQUIPMENT_CHANGED") then
     this.update_aura = true
   elseif this.label == "pet" and event == "UNIT_HAPPINESS" then
     this.update_full = true
@@ -1552,7 +1552,7 @@ function pfUI.uf:EnableEvents()
   f:RegisterEvent("UNIT_FACTION")
   f:RegisterEvent("UNIT_AURA") -- frame=buff, frame=debuff
   f:RegisterEvent("PLAYER_AURAS_CHANGED") -- label=player && frame=buff
-  f:RegisterEvent("UNIT_INVENTORY_CHANGED") -- label=player && frame=buff
+  f:RegisterEvent("PLAYER_EQUIPMENT_CHANGED") -- label=player && frame=buff (ClassicAPI: weapon-enchant buffs)
   f:RegisterEvent("PARTY_MEMBERS_CHANGED") -- label=party, frame=leaderIcon
   f:RegisterEvent("PARTY_LEADER_CHANGED") -- frame=leaderIcon
   f:RegisterEvent("RAID_ROSTER_UPDATE") -- label=raidIcon

libs/libdebuff.lua

@@ -1536,7 +1536,6 @@ if hasNampower then
       -- CRITICAL FIX: Update ownDebuffs here too for refresh timing!
       -- This prevents the gap between DEBUFF_REMOVED and AURA_CAST where buffwatch shows nothing
       if isOurs and casterGuid then
-        local myGuid = GetPlayerGuid()
         if myGuid and casterGuid == myGuid then
           -- Check if we have timer data from allAuraCasts
           if allAuraCasts[guid] and allAuraCasts[guid][spellName] and allAuraCasts[guid][spellName][casterGuid] then

libs/libpredict.lua

@@ -818,7 +818,7 @@ local hotsetbonus = libtipscan:GetScanner("hotsetbonus")
 resetcache:RegisterEvent("PLAYER_ENTERING_WORLD")
 resetcache:RegisterEvent("LEARNED_SPELL_IN_TAB")
 resetcache:RegisterEvent("CHARACTER_POINTS_CHANGED")
-resetcache:RegisterEvent("UNIT_INVENTORY_CHANGED")
+resetcache:RegisterEvent("PLAYER_EQUIPMENT_CHANGED")
 resetcache:SetScript("OnEvent", function()
   if event == "PLAYER_ENTERING_WORLD" then
     -- load and initialize previous caches of spell amounts
@@ -829,10 +829,7 @@ resetcache:SetScript("OnEvent", function()
     cache = pfUI_cache["prediction"][realm][player]["heals"]
   end
 
-  if event == "UNIT_INVENTORY_CHANGED" or "PLAYER_ENTERING_WORLD" then
-    -- skip non-player events
-    if arg1 and arg1 ~= "player" then return end
-
+  if event == "PLAYER_EQUIPMENT_CHANGED" or event == "PLAYER_ENTERING_WORLD" then
     local gear = ""
     for id = 1, 18 do
       gear = gear .. (GetInventoryItemLink("player",id) or "")

modules/buff.lua

@@ -159,7 +159,7 @@ pfUI:RegisterModule("buff", function ()
 
   pfUI.buff = CreateFrame("Frame", "pfGlobalBuffFrame", UIParent)
   pfUI.buff:RegisterEvent("PLAYER_AURAS_CHANGED")
-  pfUI.buff:RegisterEvent("UNIT_INVENTORY_CHANGED")
+  pfUI.buff:RegisterEvent("PLAYER_EQUIPMENT_CHANGED")
   pfUI.buff:RegisterEvent("UNIT_MODEL_CHANGED")
   pfUI.buff:RegisterEvent("BUFF_UPDATE_DURATION_SELF")
   pfUI.buff:RegisterEvent("DEBUFF_UPDATE_DURATION_SELF")

modules/equipmentmanager.lua

@@ -1048,11 +1048,10 @@ pfUI:RegisterModule("equipmentmanager", function()
   events:RegisterEvent("EQUIPMENT_SETS_CHANGED")
   events:RegisterEvent("EQUIPMENT_SWAP_FINISHED")
   events:RegisterEvent("EQUIPMENT_SWAP_PENDING")
-  events:RegisterEvent("BAG_UPDATE_DELAYED")  -- ClassicAPI debounced; ~4x fewer refreshes than BAG_UPDATE
-  events:RegisterEvent("UNIT_INVENTORY_CHANGED")
+  events:RegisterEvent("BAG_UPDATE_DELAYED")
+  events:RegisterEvent("PLAYER_EQUIPMENT_CHANGED")
   events:SetScript("OnEvent", function()
     if not frame:IsShown() then return end
-    if event == "UNIT_INVENTORY_CHANGED" and arg1 ~= "player" then return end
     pfUI.equipmentmanager.Refresh()
   end)
 

modules/panel.lua

@@ -424,7 +424,8 @@ pfUI:RegisterModule("panel", function()
       widget:RegisterEvent("PLAYER_REGEN_ENABLED")
       widget:RegisterEvent("PLAYER_DEAD")
       widget:RegisterEvent("PLAYER_UNGHOST")
-      widget:RegisterEvent("UNIT_INVENTORY_CHANGED")
+      widget:RegisterEvent("PLAYER_EQUIPMENT_CHANGED")   -- ClassicAPI: equip/unequip changes total durability
+      widget:RegisterEvent("UPDATE_INVENTORY_DURABILITY") -- ClassicAPI: combat wear / repair
 
       widget.Click = function() ToggleCharacter("PaperDollFrame") end
       widget.Tooltip = function()
@@ -456,8 +457,6 @@ pfUI:RegisterModule("panel", function()
         end
       end
       widget:SetScript("OnEvent", function()
-        if event == "UNIT_INVENTORY_CHANGED" and arg1 ~= "player" then return end
-
         local totalCurr, totalMax = 0, 0
         for id = INVSLOT_FIRST_EQUIPPED, INVSLOT_LAST_EQUIPPED do
           local cur, max = GetInventoryItemDurability(id)

modules/swingtimer.lua

@@ -788,7 +788,7 @@ pfUI:RegisterModule("swingtimer", function ()
   events:RegisterEvent("AUTO_ATTACK_SELF")
   events:RegisterEvent("AUTO_ATTACK_OTHER")
   events:RegisterEvent("PLAYER_ENTERING_WORLD")
-  events:RegisterEvent("UNIT_INVENTORY_CHANGED")
+  events:RegisterEvent("PLAYER_EQUIPMENT_CHANGED")  -- ClassicAPI: per-slot, equipment-only
   events:RegisterEvent("PLAYER_REGEN_DISABLED")
   events:RegisterEvent("PLAYER_REGEN_ENABLED")
   events:RegisterEvent("ACTIONBAR_SLOT_CHANGED")
@@ -881,8 +881,9 @@ pfUI:RegisterModule("swingtimer", function ()
       UpdateWeaponSpeeds()
       RebuildQueueSlotCache()
 
-    elseif event == "UNIT_INVENTORY_CHANGED" then
-      if arg1 and arg1 ~= "player" then return end
+    elseif event == "PLAYER_EQUIPMENT_CHANGED" then
+      -- arg1 = changed slot; only weapon slots (main/off/ranged) affect swing speed
+      if not INVSLOTS_EQUIPABLE_IN_COMBAT[arg1] then return end
       UpdateWeaponSpeeds()
       if S.ohSpeed == 0 then
         S.ohActive = false