Patch 5.1.0/API changes

New features[]

Loss of control UI: Notifies the player when their character is affected by crowd control, interrupt, and spell lockout effects.
Instance-based chat channels: Separate chat channels for battleground/instance groups.
Pet Journal API updates: Pets are now identified using GUIDs (several functions renamed to this effect); added functions to translate a pet name to a pet GUID, and functions and slash commands to summon a random pet: /randompet and /randomfavoritepet.

Miscellaneous

UnitIsBattlePet and UnitBattlePetSpeciesID added, and can be used to identify battle pets.
Additional functions are now available within the RestrictedEnvironment:
- HasVehicleActionBar
- HasOverrideActionBar
- HasTempShapeshiftActionBar
- HasOverrideUI
- GetVehicleBarIndex
- GetOverrideBarIndex
- HasExtraActionBar
- GetTempShapeshiftBarIndex
- CanExitVehicle
The Cooldown:SetCooldown function now automatically shows/hides the Cooldown widget when the cooldown animation is active and when it completes.

Click on the headers to expand the tables below.

Global API (5.0.4.16016 → 5.1.0.16309)
24 new functions	3 removed functions
C_LossOfControl.GetEventInfo C_LossOfControl.GetNumEvents C_PetJournal.FindPetIDByName C_PetJournal.GetNumCollectedInfo C_PetJournal.GetOwnedBattlePetString C_PetJournal.GetPetSortParameter C_PetJournal.GetPetTeamAverageLevel C_PetJournal.GetSummonedPetGUID C_PetJournal.SetPetSortParameter C_PetJournal.SummonPetByGUID C_PetJournal.SummonRandomPet FlyoutHasSpell GetActionLossOfControlCooldown GetFriendshipReputationRanks GetHomePartyInfo GetPvpPowerDamage GetPvpPowerHealing InActiveBattlefield IsLFGComplete IsTradeSkillRepeating PickupPetSpell SetTradeSkillRepeatCount UnitBattlePetSpeciesID UnitIsBattlePet	`C_PetJournal.GetSummonedPetID` `C_PetJournal.SummonPetByID` `GetFriendshipReputationByID`

FrameXML (5.0.4.16016 → 5.1.0.16309)
6 new functions	1 removed functions
ConfirmOrLeaveBattlefield ConfirmOrLeaveLFGParty GetRelativeDifficultyColor IsLFGModeActive ShowFriendshipReputationTooltip ShowStatInCategory	`CheckForMapInBlacklist`

Events (5.0.4.16016 → 5.1.0.16309)
6 new events	2 removed events
CHAT_MSG_INSTANCE_CHAT_LEADER CHAT_MSG_INSTANCE_CHAT GROUP_JOINED LOSS_OF_CONTROL_ADDED LOSS_OF_CONTROL_UPDATE PET_BATTLE_LOOT_RECEIVED	`CHAT_MSG_BATTLEGROUND` `CHAT_MSG_BATTLEGROUND_LEADER`

Widget API (5.0.4.16016 → 5.1.0.16309)
7 new methods	0 removed methods
Cooldown:SetLossOfControlCooldown GameTooltip:SetUpgradeItem Path:CreateControlPoint Path:GetControlPoints Path:GetCurve Path:GetMaxOrder Path:SetCurve

Widget Handlers (5.0.4.16016 → 5.1.0.16309)
0 new handlers	2 removed handlers
	`Animation OnEvent` `AnimationGroup OnEvent`