According to Dwapar yuga, Draupadi was a "Maa" samaan Bhabhi of Dury and Dushy, Even touching one's wife was considered very inappropriate in those days, Dushy here, dragged her and Dury showed his thigh in a sexual way, These humiliations were enough to wage a war. The gravity is enough even without her dis-robing.
There can be two reasons why it is not mentioned in any of the future narration, one that it was an interpolation, and the second would be, The crime was too heinous to discuss.