Enemies in previous versions were predictable—they patrolled randomly. In v1.51, Oni implemented a "Scent Trait." Monsters now remember your last known position for 15 turns. This sounds minor, but it changes everything. You can no longer kite enemies around a single pillar forever. You must commit to kills or vanish completely.
"Oni fixed the inventory lag. That alone makes this the best version. The new 'Stalker' AI is brutal, but fair. You actually have to use doors to break line of sight now." – User RogueMason