No zombie villagers are spawned by spawners, in both creative and survival.
zombie spawner not spawning zombie villager
zombie villagers dont spawn from zombie spawners anymore
Zombie Villagers not spawning from Zombie Spawners
Mob spawner of zombies does not generate zombies villagers
No Zombie Villagers from spawner in Java Realm
Zombie villagers don't spawn from zombie spawner.
Zombie villagers can spawn from zombie spawners