Hi!
I think it may be interesting to collect info about upcoming (officially or unofficially announced) puzzles in one place.
My 2¢ (sources - manufacturer's facebook pages, online stores):
Spring 2018
3x3
Yuxin Huanglong 3x3 (M) (top,
video)
released
4x4
MoYu Aosu GTS (top, after M released in the autumn of 2017)
GAN 460 M (top) released
5x5
MoYu Aochuang GTS (M) (top,
video)
released
6x6
MoYu Aoshi GTS (M) (top,
video)
released
QiYi X-Man Shadow (M) (top)
7x7
QiYi Qixing 7x7 (budget,
proof)
released
YuXin Hays7 M (top)