WoW Cataclysm Classic phases

Most likely the Cataclysm pre-patch will be a separated patch. Pre-patch will bring to players many new features such as reworked talent system, the significant class and specialization changes, the new system for tuning your items called "Reforging", new glyph system, new PVP and PVE systems, the significant graphics improvements, and flexible raid lockout system, transmogrification.

Phase 1

New combination for classes and races such as Tauren Paladin and Dwarf Shaman, Blood Elf Warrior and more!

Cataclysm trailer and new login screen.

The world changes due to Deathwing's return in to Eastern Kingdoms and Kalimdor! Almost every zone and dungeon in WoW Classic Cataclysm will be significantly changed.

New quests for all locations in the level range 1-60

Updating level ranges for in-game locations

Phase 2

2 new heroic dungeons: Zul'Aman and Zul'Gurub

Content in this phase will be focused on Zandalari Trolls

Phase 3

Firelands raid for 10-man or 20-man

Legendary caster weapon - Dragonwrath, Terecgosa's Rest

New Daily Quests in Molten Front

Phase 4

Dragon Soul raid

Raid Finder. But possible developers will add it in earlier phases for WoW Classic Cataclysm

3 new heroic dungeons: Hour of Twilight, Well of Eternity, End Time

Reworked Darkmoon Faire. Probably it will be added in earlier phases like Raid Finder tool

Legendary dagger for melee dps classes - Fangs of the Father

All this info is not a final conclusion. The developers till testing WoW Cataclysm Classic on PTR servers and MMOprovider looks closely on it and will keep you in touch about new phase changes. Stay tuned with us, and see you in the WoW Cataclysm Classic!