full list to od

current to do list Silk Spawners
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 1.1.02
make each mob spawner in dungeon hooks configurable
make blacklist for entites not to be in dungeon hooks
make whitelist for entities to override all other methods

Fix forge egg and forge monster spawners.  Make forge eggs only add stuff to the list if have global id.  Make forge monster spawners only add stuff to the list if it has a global id and if nei is installed otherwise keep defaults

make sub entities supporting vanilla such as wither skeleton, jockies, babie zombies , villagers, villager zombies. Add them to the list and prevent them from getting auto added in from iterater.

make spawners spawn as worldgen randomly from whitelist farm animals and wolves.

make the ability for the user to define a new spawner block then it disables xp and drops block.

make an invasion update for strongholds , nether fortresses and strongholds
make dungeons based on mob spawnage like water creature, cave creature, monster, fire resistent or if spawns on blocks.lava

Some people wanted to have an option for ops /creative people not to be able to place spawners unless in survival (will add in config).

NEI
overrides placeblock event(for adding nei compatibility)

make spawn eggs the ability to be forged and mounted (vanilla ones included);

make forge eggs and caged eggs animated

make blocks animated

for far future make a special graphical effect when mineing instance of block mob spawner or modded mob spawner


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not possible unless wizzard
model forge monster spawner if nei is installed model entite based on nbt // not posible unless wizzard