According to recently rumors on CR, the upcoming EOS 6D Mark II and EOS Rebel SL2 will be announced at the same time in July, 2017. And there is also a chance that EF 85mm f/1.4L IS USM lens to be announced together. According to CR, EOS 6D Mark II will have a new battery grip.
After announcement of new EF-S 35mm f/2.8 Macro IS STM lens, next lens from Canon will be a full frame lens, the EF 85mm f/1.4L IS USM lens. This lens has rumored for a long time, according to CR, this lens will be officially announced in late Q2 to early Q3 of 2017.