Ports from (https://github.com/TrinityCore/TrinityCore)

Core/Unit: don't clear low health aura states on death
Core/Gossip: Fix gossip bug on modify money
Core/Spells: Change the radius of PBAoEs following the feedback received on
Core/Player: update interaction checks, some info taken from client
Core/Spell: abort channeling if no valid targets are found after searching
Core/Creature: fix _DespawnAtEvade saving wrong respawn time
Core/Spell: fixed some problems with per caster aura states
Quickfix a bug introduced by 2f19d97 which prevented GTAoE from being cast.
Core/SmartAI: allow SMART_ACTION_SEND_GOSSIP_MENU to override default gossip
Core/Spell: in case of immunity, check all effects to choose correct procFlags, as none has technically hit
Fix evade issues when a spell hits the target just before evading.
Scripts/Command: implement .debug play music command
Partial revert, Unit::getAttackerForHelper() shouldn't return units that we aren't in combat with (victim can be such a unit for players/player pets, which can startattack from a distance without entering combat).
Fix an issue where CanSpawn would never get invoked on creatures without per-guid script.
Core/Players: fix null dereference crash

Source/Game/Spells/SpellInfo.cs

@@ -4398,34 +4398,6 @@ namespace Game.Spells
             return GetSelectionCategory() == SpellTargetSelectionCategories.Area || GetSelectionCategory() == SpellTargetSelectionCategories.Cone;
         }
 
-        public bool IsProximityBasedAoe()
-        {
-            switch (_target)
-            {
-                case Targets.UnitSrcAreaEntry:
-                case Targets.UnitSrcAreaEnemy:
-                case Targets.UnitCasterAreaParty:
-                case Targets.UnitSrcAreaAlly:
-                case Targets.UnitSrcAreaParty:
-                case Targets.UnitLastTargetAreaParty:
-                case Targets.GameobjectSrcArea:
-                case Targets.UnitCasterAreaRaid:
-                case Targets.CorpseSrcAreaEnemy:
-                    return true;
-
-                case Targets.UnitDestAreaEntry:
-                case Targets.UnitDestAreaEnemy:
-                case Targets.UnitDestAreaAlly:
-                case Targets.UnitDestAreaParty:
-                case Targets.GameobjectDestArea:
-                case Targets.UnitAreaRaidClass:
-                    return false;
-
-                default:
-                    Log.outWarn(LogFilter.Spells, "SpellImplicitTargetInfo.IsProximityBasedAoe called a non-aoe spell");
-                    return false;
-            }
-        }
         public SpellTargetSelectionCategories GetSelectionCategory()
         {
             return _data[(int)_target].SelectionCategory;