Blizzard are testing class, spec and hero talent concepts against different segments of the playerbase - a move that makes a lot of sense given how Evokers were not universally well received.
Sadly the leaked survey document is in german only.
Tinker = Tank heal dps
Genius inventors , who have uncovered the secrets of titan technology , and using it to protect their allies , heal wounds and attack enemies. Through their understanding of machines. Tinkers can create inventions ( cusom made spells) , control mech suits and deploy mechanical constructs to create an advantage in combat.
Necromaner - dps class , no class description
Bard = Tank , heal , dps
Utilizing the song of Azeroth to cast mighty spells , support their allies , weaken their enemies. Bards shine in a group , empowering and improving spells of other at the same time bringing numerous songs and auras to their group reach new heights.
Warden = doesnât say what specs
Versatile , armored hunters , who with their art of chakrams and traps, devastating ranged and melee attacks to employ.
Titankiller = dps , tank
Prismatics = tank , heal , dps
As heirs to titanic power , Prismatics are carriers of cosmic powers that can not only be used in their purest forms , but their transcending powers can be merged into new powers. They refine and focus , the power of life to heal their allies. The powers of order to protect themselves or they can merge the powers of shadow and death to deal damage to their enemies.
Leyweaver
Artificer
witch
Celestial lancer
gunslinger
Astrologian
I think Blizz want to gauge the players in the near future. Which class sounds more appealing to them.
From the list here which one sounds more appealing to you. Sadly some donât have any descriptions or just one line.
PS : I canât link in this post the source. But bellular and some other content creators have reacted to it.