This article covers the cumulative AddOn UI Customization and Macro API changes for Patch 3.2.0. See API change summaries for a list of API change summaries for all patches.
API change summaries

Development Tools Edit

  • The default UI now contains versions of some popular (I may be biassed) tools for UI developers - /dump, /eventtrace, /framestack, and /reload [1]

Saved Instances Edit

Quest Difficulty Edit

Functions Edit

Arrays Edit

Not sure of where these arrays live (global? FrameUI? QuestUI?), but this very subtle change broke several addons, so it's being included here

  • removed "QuestDifficultyColor" array -- Replaced by "QuestDifficultyColors" array
  • new "QuestDifficultyColors"array -- exact replacement for "QuestDifficultyColor" array

Unit Functions Edit

  • updated or removed UnitIsPlusMob(unitID) -- (not 100% sure, but believed to have been removed)

Quest Maps Edit

There's support for points of interest on the map associated with quests, the API functions are:

Quest API Edit

Spell Casting Edit

Casting Events Edit

Spell casting events and queries indicate whether enemy spells/channeling can be interrupted:

Casting Functions Edit

Calendar Functions Edit

Mail functions Edit

Gamemaster Functions Edit

Loot Trading/Refunding Edit

  • new END_REFUND -- triggered when a returnable item's refund period ends (or maybe would end if action performed?) [1]
  • new END_BOUND_TRADEABLE -- Not 100% sure of this is the right event name [1]
  • new EndBoundTradeable(someVar) -- inferred from staticPopupDialogs.lua [1]
  • new GetSocketItemBoundTradeable() [4]

Other Information Edit

Other Useful Events Edit

Combatlog Events Edit

ChatLog Events Edit

Inventory Events Edit

Unit Events Edit

GameMaster Events Edit

Battlefield Events Edit

Reputation Events Edit

Sources Edit

1: Iriel on Wow 3.2 API Changes topic
2: WowAce 3.2 Changes Forum
3: Speeddymon on Wow 3.2 API Changes topic
4: Nafe on Wow 3.2 API Changes topic
5: Gello on Wow 3.2 API Changes topic