I'm looking to get back into playing competitively after about a year away from Showdown (almost two years away, aside from a brief return after ORAS launched), and while looking through the viability rankings I've noticed Manaphy's sitting up in S Rank, despite being a complete non-entity in the OU meta last time I played, which I find really interesting. I was going to ask what happened to the meta to cause this, but a more useful question would probably be if there's any sort of written history/record of major changes the metagame has gone through over the last year, or just a summary of what the meta looks like now, so I can bring myself up to speed? I've also noticed all the discussion threads for individual pokemon have been closed now, is that sort of thread not used anymore or does discussion of specific pokes occur elsewhere now?
Cheers!