The first individual outfits were introduced in the update 7.0 (28.08.2002)
Citizen Outfits 
Hunter Outfits 
Knight Outfits 
Mage Outfits 
Addons for these oufits were introduced later in update 7.80
More outfits have also been added in this update :
Assassin Outfits
Barbarian Outfits
Beggar Outfits
Druid Outfits 
Oriental Outfits
Pirate Outfits
Shaman Outfits
Wizard Outfits 
Update 7.8, August 1, 2006 (Summer Update 2006)
Many graphics of outfits, items, NPCs and creatures have been updated with outfit addons being implemented into the game. More realism has been added to the maps with shops having signs next to their entrances. Added the stamina system. The Shattered Isles, some new creatures, the ability to hotkey the use of objects and aim runes at others using the battle window have been implemented as well.
Major Game Update 7.8
Source : TibiaFandom Tibiopedia.pl