The 'frozen ai' bug occured again, this time its a bit different than the one I wrote about before. The ai builds their base, harvests spice, builds vehicles but doesn't attack me or eachother. If I go to one of their bases they won't attack me. Only if I attack 1 unit that unit will attack me, the others don't seem to bother. The AI isn't fully inactive, they go to spice blooms to blow them up. I've made a few screenshots: