https://playoverwatch.com/en-us/blog/21353116
Along with Blizzardworld map.
Most importantly though, Black Cat D.Va.
https://twitter.com/_/status/955500334515814411
Other skins:
Thankfully I have 4.5K credits saved up, so I can get the D.Va, Widowmaker and Pharah skins right away, think I'll pick up the Zarya one too as that's pretty cool too. Does mean I'll have nothing for Lunar festival though, but hey, I can throw real money at that.