This past BlizzCon, Blizzard announced thatWoW Classic would be coming out in the Summer of 2019. Along with it came a demo of the early leveling zones and several panels worth of information that assured the eager public that Classic would indeed be as faithful and ‘blizzlike’ as possible. Having played through the entire demo I can agree that the game is almost exactly as I remember Vanilla being 14 years ago. The only difference in design being the implementation of ‘sharding’, a process which splits up the player base in different instances of the same zone to alleviate some of the overcrowding in early zones. Blizzard has also gone on the record to say that sharding would only be in the game for the first couple weeks after the launch of Classic and that they would then disable it once the player base had spread out more. However, sharding isn’t the only thing thatVanilla players might find different about their experience. In this article, I am going to go through each of the aspects that will most likely change inClassic WoW, whether Blizzard likes it or not.
Only really to expand on Gráinne's comment as regards the 'collecting' and 'roster development' sections - which are, as said 'distinct' although they are intrinsically linked - I would like to point you in the direction of the in-game Achievements > Battle Pets > Collect tab. There are a series of achievements called Raiding With Leashes, pretty much all of which can be completed via the auction house - if you have the gold/inclination - or by completing old raids.