Some more photos of the tentatively designated M2020 MBT:
There also appears to be another Indigenously developed North Korean MBT. It first appeared in a 2010 parade, and until something official comes up, most people are calling it the Songun Ho.
A rarity for NK Armor; someone captured a nice top angle of the Songun Ho:
Speculation is that it is derived from the earlier Pokpung-ho, with a wider cast turret with a larger rear bustle.