Let’s make it happen.
I’m gonna buy controlling stock in blizzard and demand the devs drop everything except finishing 9.0 for release and after that making a 9.1 that is just adding tinkers. Even giving them a order hall and storyline and artifacts for legion. 4 specs. Like druids they’ll do EVERY role. It will literally cost a raid tier or two but we have enough raid tiers as compensation 9.1 will have an event that makes ALL old raids scaling to level 60. enjoy.
They said no class for SL but maybe theyre just hiding it to suprise us. Id personally love to see a tinker or a void melee caster at some point soon.
I can’t be the only one who thinks it’s weird to go 2 expansions without a new class… right?
Like I realize they barely can balance the current 12 and at some point there will be a limit, but still. I think a new class would’ve fit perfectly with the new leveling system. 
We could have a new class but they were too busy using our expansion and sub money to make cash shop items we buy with more money
no. tinker class would be cool, but the outlandish execution you propose is awful lol… “hey guys we uhhh decided to only work on adding this new class and old content for this patch here ya go !” good lord so many people would lose their crap.
Tinkerers wouldn’t fit the expansion theme and they wouldn’t add it mid expansion anyway so nope.
Maybe if they were not spending all of their time squishing stuff or making throw away systems we could have nice things.
They’d need a ‘Rise of the Machines’ type expansion with the Gnomes & Goblins at the forefront of the story lines.
Add a Goblin Allied race (Hobgoblins) & Ogres err “cute” allied race for Alliance, a rethink on meaningful crafted gear, & a whole new collectible category…robotic constructs/followers.