diff --git a/mappings/diff/mapping-1.8to1.7.10.json b/mappings/diff/mapping-1.8to1.7.10.json
new file mode 100644
index 0000000..64e2dc2
--- /dev/null
+++ b/mappings/diff/mapping-1.8to1.7.10.json
@@ -0,0 +1,7 @@
+{
+  "entitynames": {
+    "guardian": "Guardian",
+    "endermite": "Endermite",
+    "rabbit": "Rabbit"
+  }
+}
\ No newline at end of file
diff --git a/mappings/diff/mapping-1.8to1.9.4.json b/mappings/diff/mapping-1.8to1.9.4.json
new file mode 100644
index 0000000..a7e9bf4
--- /dev/null
+++ b/mappings/diff/mapping-1.8to1.9.4.json
@@ -0,0 +1,248 @@
+{
+  "sounds": {
+    "ambient.cave.cave": "ambient.cave",
+    "ambient.weather.rain": "weather.rain.above",
+    "ambient.weather.thunder": "entity.lightning.thunder",
+    "game.player.hurt.fall.big": "entity.hostile.big_fall",
+    "game.player.hurt.fall.small": "entity.generic.small_fall",
+    "game.neutral.hurt.fall.big": "entity.hostile.big_fall",
+    "game.neutral.hurt.fall.small": "entity.generic.small_fall",
+    "game.hostile.hurt.fall.big": "entity.hostile.big_fall",
+    "game.hostile.hurt.fall.small": "entity.generic.small_fall",
+    "game.player.hurt": "entity.player.death",
+    "game.neutral.hurt": "entity.player.death",
+    "game.hostile.hurt": "entity.player.death",
+    "game.player.die": "entity.player.death",
+    "game.neutral.die": "entity.player.death",
+    "game.hostile.die": "entity.player.death",
+    "dig.cloth": "block.cloth.place",
+    "dig.grass": "block.grass.place",
+    "dig.gravel": "block.gravel.place",
+    "dig.sand": "block.sand.break",
+    "dig.snow": "block.snow.place",
+    "dig.stone": "block.glass.place",
+    "dig.wood": "block.ladder.break",
+    "fire.fire": "block.fire.ambient",
+    "fire.ignite": "item.flintandsteel.use",
+    "item.fireCharge.use": "entity.blaze.shoot",
+    "fireworks.blast": "entity.firework.blast",
+    "fireworks.blast_far": "entity.firework.blast_far",
+    "fireworks.largeBlast": "entity.firework.large_blast",
+    "fireworks.largeBlast_far": "entity.firework.large_blast_far",
+    "fireworks.launch": "entity.firework.launch",
+    "fireworks.twinkle": "entity.firework.twinkle",
+    "fireworks.twinkle_far": "entity.firework.twinkle_far",
+    "liquid.lava": "block.lava.ambient",
+    "liquid.lavapop": "block.lava.pop",
+    "game.neutral.swim.splash": "entity.generic.splash",
+    "game.player.swim.splash": "entity.generic.splash",
+    "game.hostile.swim.splash": "entity.generic.splash",
+    "game.player.swim": "entity.player.swim",
+    "game.neutral.swim": "entity.player.swim",
+    "game.hostile.swim": "entity.player.swim",
+    "liquid.water": "block.water.ambient",
+    "minecart.base": "entity.minecart.riding",
+    "minecart.inside": "entity.minecart.inside",
+    "mob.bat.death": "entity.bat.death",
+    "mob.bat.hurt": "entity.bat.hurt",
+    "mob.bat.idle": "entity.bat.ambient",
+    "mob.bat.loop": "entity.bat.loop",
+    "mob.bat.takeoff": "entity.bat.takeoff",
+    "mob.blaze.breathe": "entity.blaze.ambient",
+    "mob.blaze.death": "entity.blaze.death",
+    "mob.blaze.hit": "entity.blaze.hurt",
+    "mob.guardian.hit": "entity.guardian.hurt",
+    "mob.guardian.idle": "entity.elder_guardian.ambient",
+    "mob.guardian.death": "entity.guardian.death",
+    "mob.guardian.elder.hit": "entity.elder_guardian.hurt",
+    "mob.guardian.elder.idle": "entity.elder_guardian.ambient",
+    "mob.guardian.elder.death": "entity.elder_guardian.death",
+    "mob.guardian.land.hit": "entity.guardian.hurt_land",
+    "mob.guardian.land.idle": "entity.guardian.ambient_land",
+    "mob.guardian.land.death": "entity.elder_guardian.death_land",
+    "mob.guardian.curse": "entity.elder_guardian.curse",
+    "mob.guardian.attack": "entity.guardian.attack",
+    "mob.guardian.flop": "entity.guardian.flop",
+    "mob.cat.hiss": "entity.cat.hiss",
+    "mob.cat.hitt": "entity.cat.hurt",
+    "mob.cat.meow": "entity.cat.ambient",
+    "mob.cat.purr": "entity.cat.purr",
+    "mob.cat.purreow": "entity.cat.purreow",
+    "mob.chicken.hurt": "entity.chicken.death",
+    "mob.chicken.plop": "entity.donkey.chest",
+    "mob.chicken.say": "entity.chicken.ambient",
+    "mob.chicken.step": "entity.chicken.step",
+    "mob.cow.hurt": "entity.cow.death",
+    "mob.cow.say": "entity.cow.ambient",
+    "mob.cow.step": "entity.cow.step",
+    "mob.creeper.death": "entity.creeper.death",
+    "mob.creeper.say": "entity.creeper.hurt",
+    "mob.enderdragon.end": "entity.enderdragon.death",
+    "mob.enderdragon.growl": "entity.enderdragon.growl",
+    "mob.enderdragon.hit": "entity.enderdragon.hurt",
+    "mob.enderdragon.wings": "entity.enderdragon.flap",
+    "mob.endermen.death": "entity.endermen.death",
+    "mob.endermen.hit": "entity.endermen.hurt",
+    "mob.endermen.idle": "entity.endermen.ambient",
+    "mob.endermen.portal": "entity.endermen.teleport",
+    "mob.endermen.scream": "entity.endermen.scream",
+    "mob.endermen.stare": "entity.endermen.stare",
+    "mob.ghast.affectionate_scream": "entity.ghast.scream",
+    "mob.ghast.charge": "entity.ghast.warn",
+    "mob.ghast.death": "entity.ghast.death",
+    "mob.ghast.fireball": "entity.blaze.shoot",
+    "mob.ghast.moan": "entity.ghast.ambient",
+    "mob.ghast.scream": "entity.ghast.hurt",
+    "mob.horse.angry": "entity.horse.angry",
+    "mob.horse.armor": "entity.horse.armor",
+    "mob.horse.breathe": "entity.horse.breathe",
+    "mob.horse.death": "entity.horse.death",
+    "mob.horse.donkey.angry": "entity.donkey.angry",
+    "mob.horse.donkey.death": "entity.donkey.death",
+    "mob.horse.donkey.hit": "entity.donkey.hurt",
+    "mob.horse.donkey.idle": "entity.donkey.ambient",
+    "mob.horse.gallop": "entity.horse.gallop",
+    "mob.horse.hit": "entity.horse.hurt",
+    "mob.horse.idle": "entity.horse.ambient",
+    "mob.horse.jump": "entity.horse.jump",
+    "mob.horse.land": "entity.horse.land",
+    "mob.horse.leather": "entity.horse.saddle",
+    "mob.horse.skeleton.death": "entity.skeleton_horse.death",
+    "mob.horse.skeleton.hit": "entity.skeleton_horse.hurt",
+    "mob.horse.skeleton.idle": "entity.skeleton_horse.ambient",
+    "mob.horse.soft": "entity.horse.step",
+    "mob.horse.wood": "entity.horse.step_wood",
+    "mob.horse.zombie.death": "entity.zombie_horse.death",
+    "mob.horse.zombie.hit": "entity.zombie_horse.hurt",
+    "mob.horse.zombie.idle": "entity.zombie_horse.ambient",
+    "mob.irongolem.death": "entity.irongolem.death",
+    "mob.irongolem.hit": "entity.irongolem.hurt",
+    "mob.irongolem.throw": "entity.irongolem.attack",
+    "mob.irongolem.walk": "entity.irongolem.step",
+    "mob.magmacube.big": "entity.magmacube.squish",
+    "mob.magmacube.jump": "entity.magmacube.jump",
+    "mob.magmacube.small": "entity.small_magmacube.squish",
+    "mob.pig.death": "entity.pig.death",
+    "mob.pig.say": "entity.pig.ambient",
+    "mob.pig.step": "entity.pig.step",
+    "mob.rabbit.hurt": "entity.rabbit.hurt",
+    "mob.rabbit.idle": "entity.rabbit.ambient",
+    "mob.rabbit.hop": "entity.rabbit.jump",
+    "mob.rabbit.death": "entity.rabbit.death",
+    "mob.sheep.say": "entity.sheep.ambient",
+    "mob.sheep.shear": "entity.sheep.shear",
+    "mob.sheep.step": "entity.sheep.step",
+    "mob.silverfish.hit": "entity.endermite.hurt",
+    "mob.silverfish.kill": "entity.endermite.death",
+    "mob.silverfish.say": "entity.silverfish.ambient",
+    "mob.silverfish.step": "entity.silverfish.step",
+    "mob.skeleton.death": "entity.skeleton.death",
+    "mob.skeleton.hurt": "entity.skeleton.hurt",
+    "mob.skeleton.say": "entity.skeleton.ambient",
+    "mob.skeleton.step": "entity.skeleton.step",
+    "mob.slime.attack": "entity.slime.attack",
+    "mob.slime.big": "entity.slime.death",
+    "mob.slime.small": "block.slime.hit",
+    "mob.spider.death": "entity.spider.death",
+    "mob.spider.say": "entity.spider.hurt",
+    "mob.spider.step": "entity.spider.step",
+    "mob.villager.death": "entity.villager.death",
+    "mob.villager.haggle": "entity.villager.trading",
+    "mob.villager.hit": "entity.villager.hurt",
+    "mob.villager.idle": "entity.villager.ambient",
+    "mob.villager.no": "entity.villager.no",
+    "mob.villager.yes": "entity.villager.yes",
+    "mob.wither.death": "entity.wither.death",
+    "mob.wither.hurt": "entity.wither.hurt",
+    "mob.wither.idle": "entity.wither.ambient",
+    "mob.wither.shoot": "entity.wither.shoot",
+    "mob.wither.spawn": "entity.wither.spawn",
+    "mob.wolf.bark": "entity.wolf.ambient",
+    "mob.wolf.death": "entity.wolf.death",
+    "mob.wolf.growl": "entity.wolf.growl",
+    "mob.wolf.howl": "entity.wolf.howl",
+    "mob.wolf.hurt": "entity.wolf.hurt",
+    "mob.wolf.panting": "entity.wolf.pant",
+    "mob.wolf.shake": "entity.wolf.shake",
+    "mob.wolf.step": "entity.wolf.step",
+    "mob.wolf.whine": "entity.wolf.whine",
+    "mob.zombie.death": "entity.zombie.death",
+    "mob.zombie.hurt": "entity.zombie.hurt",
+    "mob.zombie.infect": "entity.zombie.infect",
+    "mob.zombie.metal": "entity.zombie.attack_iron_door",
+    "mob.zombie.remedy": "entity.zombie_villager.cure",
+    "mob.zombie.say": "entity.zombie.ambient",
+    "mob.zombie.step": "entity.zombie.step",
+    "mob.zombie.unfect": "entity.zombie_villager.converted",
+    "mob.zombie.wood": "entity.zombie.attack_door_wood",
+    "mob.zombie.woodbreak": "entity.zombie.break_door_wood",
+    "mob.zombiepig.zpig": "entity.zombie_pig.ambient",
+    "mob.zombiepig.zpigangry": "entity.zombie_pig.angry",
+    "mob.zombiepig.zpigdeath": "entity.zombie_pig.death",
+    "mob.zombiepig.zpighurt": "entity.zombie_pig.hurt",
+    "note.bass": "block.note.bass",
+    "note.bassattack": "block.note.bass",
+    "note.bd": "block.note.basedrum",
+    "note.harp": "block.note.harp",
+    "note.hat": "block.note.hat",
+    "note.pling": "block.note.pling",
+    "note.snare": "block.note.snare",
+    "portal.portal": "block.portal.ambient",
+    "portal.travel": "block.portal.travel",
+    "portal.trigger": "block.portal.trigger",
+    "random.anvil_break": "block.anvil.destroy",
+    "random.anvil_land": "block.anvil.land",
+    "random.anvil_use": "block.anvil.use",
+    "random.bow": "entity.splash_potion.throw",
+    "random.bowhit": "block.tripwire.detach",
+    "random.break": "item.shield.break",
+    "random.burp": "entity.player.burp",
+    "random.chestclosed": "block.chest.close",
+    "random.chestopen": "block.chest.open",
+    "gui.button.press": "block.wood_pressureplate.click_on",
+    "random.click": "block.wood_pressureplate.click_on",
+    "random.door_close": "block.wooden_door.close",
+    "random.door_open": "block.wooden_door.open",
+    "random.drink": "entity.generic.drink",
+    "random.eat": "entity.generic.eat",
+    "random.explode": "block.end_gateway.spawn",
+    "random.fizz": "entity.generic.extinguish_fire",
+    "game.tnt.primed": "entity.creeper.primed",
+    "creeper.primed": "entity.creeper.primed",
+    "dig.glass": "block.glass.break",
+    "game.potion.smash": "block.glass.break",
+    "random.levelup": "entity.player.levelup",
+    "random.orb": "entity.experience_orb.pickup",
+    "random.pop": "entity.item.pickup",
+    "random.splash": "entity.bobber.splash",
+    "random.successful_hit": "entity.arrow.hit_player",
+    "random.wood_click": "block.wood_button.click_on",
+    "records.11": "record.11",
+    "records.13": "record.13",
+    "records.blocks": "record.blocks",
+    "records.cat": "record.cat",
+    "records.chirp": "record.chirp",
+    "records.far": "record.far",
+    "records.mall": "record.mall",
+    "records.mellohi": "record.mellohi",
+    "records.stal": "record.stal",
+    "records.strad": "record.strad",
+    "records.wait": "record.wait",
+    "records.ward": "record.ward",
+    "step.cloth": "block.cloth.fall",
+    "step.grass": "block.grass.hit",
+    "step.gravel": "block.gravel.hit",
+    "step.ladder": "block.ladder.hit",
+    "step.sand": "block.sand.fall",
+    "step.snow": "block.snow.step",
+    "step.stone": "block.anvil.hit",
+    "step.wood": "block.wood.step",
+    "tile.piston.in": "block.piston.contract",
+    "tile.piston.out": "block.piston.extend",
+    "music.game.creative": "music.creative",
+    "music.game.end": "music.end",
+    "music.game.end.dragon": "music.dragon",
+    "music.game.end.credits": "music.credits",
+    "music.game.nether": "music.nether"
+  }
+}
\ No newline at end of file
diff --git a/mappings/diff/mapping-1.9.4to1.8.json b/mappings/diff/mapping-1.9.4to1.8.json
new file mode 100644
index 0000000..cc352ae
--- /dev/null
+++ b/mappings/diff/mapping-1.9.4to1.8.json
@@ -0,0 +1,454 @@
+{
+  "sounds": {
+    "block.slime.place": "mob.slime.big",
+    "entity.enderdragon_fireball.explode": "random.explode",
+    "block.slime.fall": "mob.slime.small",
+    "block.enderchest.open": "random.chestopen",
+    "entity.skeleton.ambient": "mob.skeleton.say",
+    "block.sand.place": "dig.sand",
+    "entity.arrow.shoot": "random.bow",
+    "entity.villager.ambient": "mob.villager.idle",
+    "entity.player.splash": "game.player.swim.splash",
+    "block.stone.place": "dig.stone",
+    "entity.zombie_villager.death": "mob.zombie.death",
+    "record.stal": "records.stal",
+    "entity.enderdragon.ambient": "mob.enderdragon.growl",
+    "entity.guardian.flop": "mob.guardian.flop",
+    "entity.small_slime.death": "mob.slime.small",
+    "entity.skeleton.step": "mob.skeleton.step",
+    "block.tripwire.attach": "gui.button.press",
+    "block.lava.extinguish": "random.fizz",
+    "entity.sheep.shear": "mob.sheep.shear",
+    "block.portal.ambient": "portal.portal",
+    "block.snow.hit": "step.snow",
+    "record.ward": "records.ward",
+    "block.lava.pop": "liquid.lavapop",
+    "entity.hostile.splash": "game.hostile.swim.splash",
+    "entity.generic.big_fall": "game.neutral.hurt.fall.big",
+    "entity.irongolem.step": "mob.irongolem.walk",
+    "entity.firework.large_blast_far": "fireworks.largeBlast_far",
+    "entity.pig.hurt": "mob.pig.say",
+    "entity.zombie_pig.hurt": "mob.zombiepig.zpighurt",
+    "entity.wither.ambient": "mob.wither.idle",
+    "entity.cat.death": "mob.cat.hitt",
+    "entity.enderpearl.throw": "random.bow",
+    "entity.firework.launch": "fireworks.launch",
+    "entity.blaze.hurt": "mob.blaze.hit",
+    "block.dispenser.fail": "gui.button.press",
+    "entity.arrow.hit": "random.bowhit",
+    "block.dispenser.launch": "random.bow",
+    "record.mall": "records.mall",
+    "entity.generic.eat": "random.eat",
+    "block.glass.step": "step.stone",
+    "entity.generic.death": "game.neutral.die",
+    "entity.silverfish.hurt": "mob.silverfish.hit",
+    "record.far": "records.far",
+    "entity.horse.jump": "mob.horse.jump",
+    "music.creative": "music.game.creative",
+    "item.firecharge.use": "item.fireCharge.use",
+    "block.gravel.fall": "step.gravel",
+    "block.comparator.click": "gui.button.press",
+    "entity.bat.loop": "mob.bat.loop",
+    "block.stone.fall": "step.stone",
+    "item.flintandsteel.use": "fire.ignite",
+    "entity.cow.hurt": "mob.cow.hurt",
+    "entity.guardian.ambient_land": "mob.guardian.land.idle",
+    "block.anvil.fall": "step.stone",
+    "entity.endermen.hurt": "mob.endermen.hit",
+    "entity.spider.step": "mob.spider.step",
+    "entity.pig.ambient": "mob.pig.say",
+    "entity.egg.throw": "random.bow",
+    "entity.horse.breathe": "mob.horse.breathe",
+    "entity.horse.gallop": "mob.horse.gallop",
+    "entity.horse.armor": "mob.horse.armor",
+    "entity.horse.ambient": "mob.horse.idle",
+    "entity.skeleton.shoot": "random.bow",
+    "entity.zombie.ambient": "mob.zombie.say",
+    "entity.endereye.launch": "random.bow",
+    "entity.wither.death": "mob.wither.death",
+    "entity.elder_guardian.hurt_land": "mob.guardian.land.hit",
+    "entity.wolf.growl": "mob.wolf.growl",
+    "block.metal.break": "dig.stone",
+    "entity.ghast.scream": "mob.ghast.affectionate_scream",
+    "ambient.cave": "ambient.cave.cave",
+    "block.snow.break": "dig.snow",
+    "entity.mule.hurt": "mob.horse.donkey.hit",
+    "entity.cat.hurt": "mob.cat.hitt",
+    "entity.generic.drink": "random.drink",
+    "entity.hostile.death": "game.hostile.die",
+    "entity.guardian.attack": "mob.guardian.attack",
+    "entity.wolf.pant": "mob.wolf.panting",
+    "entity.player.levelup": "random.levelup",
+    "block.ladder.step": "step.ladder",
+    "entity.elder_guardian.hurt": "mob.guardian.elder.hit",
+    "block.cloth.hit": "step.cloth",
+    "entity.cat.ambient": "mob.cat.meow",
+    "entity.blaze.death": "mob.blaze.death",
+    "entity.player.hurt_drown": "game.player.hurt",
+    "block.metal.step": "step.stone",
+    "entity.sheep.hurt": "mob.sheep.say",
+    "entity.ghast.hurt": "mob.ghast.scream",
+    "block.gravel.break": "dig.gravel",
+    "entity.endermen.stare": "mob.endermen.stare",
+    "entity.chicken.step": "mob.chicken.step",
+    "entity.cow.step": "mob.cow.step",
+    "entity.horse.land": "mob.horse.land",
+    "entity.zombie_villager.ambient": "mob.zombie.say",
+    "entity.firework.twinkle": "fireworks.twinkle",
+    "block.grass.break": "dig.grass",
+    "entity.lightning.impact": "random.explode",
+    "record.strad": "records.strad",
+    "block.cloth.break": "dig.cloth",
+    "entity.horse.hurt": "mob.horse.hit",
+    "entity.irongolem.death": "mob.irongolem.death",
+    "entity.snowball.throw": "random.bow",
+    "entity.zombie_villager.cure": "mob.zombie.remedy",
+    "entity.chicken.ambient": "mob.chicken.say",
+    "block.stone_pressureplate.click_on": "gui.button.press",
+    "entity.slime.jump": "mob.slime.big",
+    "block.note.snare": "note.snare",
+    "entity.endermite.ambient": "mob.silverfish.say",
+    "entity.generic.burn": "random.fizz",
+    "block.metal.place": "dig.stone",
+    "entity.skeleton_horse.death": "mob.horse.skeleton.death",
+    "entity.wither.spawn": "mob.wither.spawn",
+    "block.sand.fall": "step.sand",
+    "entity.experience_orb.touch": "random.orb",
+    "entity.elder_guardian.ambient": "mob.guardian.elder.idle",
+    "item.chorus_fruit.teleport": "mob.endermen.portal",
+    "entity.zombie_villager.hurt": "mob.zombie.hurt",
+    "block.portal.travel": "portal.travel",
+    "entity.slime.squish": "mob.slime.big",
+    "entity.slime.hurt": "mob.slime.big",
+    "entity.bobber.throw": "random.bow",
+    "entity.enderdragon.death": "mob.enderdragon.end",
+    "block.stone.hit": "step.stone",
+    "block.fire.extinguish": "random.fizz",
+    "entity.rabbit.death": "mob.rabbit.death",
+    "block.wood_button.click_off": "random.wood_click",
+    "block.stone_button.click_on": "gui.button.press",
+    "music.end": "music.game.end",
+    "entity.guardian.death_land": "mob.guardian.land.death",
+    "music.credits": "music.game.end.credits",
+    "block.anvil.place": "random.anvil_land",
+    "entity.bobber.splash": "random.splash",
+    "entity.wither.break_block": "mob.zombie.woodbreak",
+    "block.fire.ambient": "fire.fire",
+    "entity.hostile.hurt": "game.hostile.hurt",
+    "entity.player.small_fall": "game.player.hurt.fall.small",
+    "entity.splash_potion.break": "game.potion.smash",
+    "block.lava.ambient": "liquid.lava",
+    "entity.magmacube.hurt": "mob.slime.big",
+    "entity.cat.purreow": "mob.cat.purreow",
+    "entity.rabbit.jump": "mob.rabbit.hop",
+    "entity.ghast.death": "mob.ghast.death",
+    "music.game": "music.game",
+    "entity.item.break": "random.break",
+    "entity.silverfish.death": "mob.silverfish.kill",
+    "entity.wolf.hurt": "mob.wolf.hurt",
+    "entity.endermen.ambient": "mob.endermen.idle",
+    "entity.wolf.howl": "mob.wolf.howl",
+    "block.ladder.fall": "step.ladder",
+    "entity.sheep.death": "mob.sheep.say",
+    "block.water.ambient": "liquid.water",
+    "entity.mooshroom.shear": "mob.sheep.shear",
+    "entity.spider.ambient": "mob.spider.say",
+    "entity.villager.yes": "mob.villager.yes",
+    "block.anvil.land": "random.anvil_land",
+    "block.slime.step": "mob.slime.small",
+    "entity.creeper.death": "mob.creeper.death",
+    "entity.wolf.ambient": "mob.wolf.bark",
+    "block.note.pling": "note.pling",
+    "entity.zombie.hurt": "mob.zombie.hurt",
+    "entity.minecart.inside": "minecart.inside",
+    "entity.pig.step": "mob.pig.step",
+    "block.chest.close": "random.chestclosed",
+    "block.ladder.place": "dig.wood",
+    "entity.generic.explode": "random.explode",
+    "block.glass.break": "game.potion.smash",
+    "entity.generic.hurt": "game.neutral.hurt",
+    "block.wood_pressureplate.click_off": "gui.button.press",
+    "entity.bat.death": "mob.bat.death",
+    "block.redstone_torch.burnout": "random.fizz",
+    "entity.magmacube.jump": "mob.magmacube.jump",
+    "entity.cow.ambient": "mob.cow.say",
+    "entity.guardian.death": "mob.guardian.death",
+    "block.stone_button.click_off": "gui.button.press",
+    "entity.blaze.burn": "fire.fire",
+    "entity.endermite.step": "mob.silverfish.step",
+    "entity.horse.angry": "mob.horse.angry",
+    "entity.rabbit.hurt": "mob.rabbit.hurt",
+    "entity.zombie_pig.death": "mob.zombiepig.zpigdeath",
+    "block.piston.extend": "tile.piston.out",
+    "entity.guardian.hurt": "mob.guardian.hit",
+    "block.anvil.break": "dig.stone",
+    "entity.zombie_villager.step": "mob.zombie.step",
+    "record.cat": "records.cat",
+    "entity.slime.attack": "mob.slime.attack",
+    "entity.skeleton.death": "mob.skeleton.death",
+    "entity.player.hurt": "game.player.hurt",
+    "block.gravel.step": "step.gravel",
+    "block.portal.trigger": "portal.trigger",
+    "block.snow.fall": "step.snow",
+    "entity.zombie.attack_door_wood": "mob.zombie.wood",
+    "entity.generic.small_fall": "game.neutral.hurt.fall.small",
+    "block.note.harp": "note.harp",
+    "entity.silverfish.step": "mob.silverfish.step",
+    "entity.spider.hurt": "mob.spider.say",
+    "entity.mule.ambient": "mob.horse.donkey.idle",
+    "block.glass.fall": "step.stone",
+    "entity.zombie_horse.ambient": "mob.horse.zombie.idle",
+    "entity.zombie.attack_iron_door": "mob.zombie.metal",
+    "item.shield.break": "random.break",
+    "entity.hostile.small_fall": "game.hostile.hurt.fall.small",
+    "block.metal.fall": "step.stone",
+    "entity.creeper.hurt": "mob.creeper.say",
+    "entity.bat.hurt": "mob.bat.hurt",
+    "entity.ghast.shoot": "item.fireCharge.use",
+    "record.blocks": "records.blocks",
+    "block.cloth.step": "step.cloth",
+    "entity.chicken.death": "mob.chicken.hurt",
+    "block.anvil.destroy": "random.anvil_break",
+    "record.wait": "records.wait",
+    "entity.firework.shoot": "random.bow",
+    "entity.blaze.ambient": "mob.blaze.breathe",
+    "entity.cow.death": "mob.cow.hurt",
+    "entity.enderdragon.flap": "mob.enderdragon.wings",
+    "block.note.hat": "note.hat",
+    "entity.pig.death": "mob.pig.death",
+    "entity.villager.trading": "mob.villager.haggle",
+    "entity.lingeringpotion.throw": "random.bow",
+    "block.enderchest.close": "random.chestclosed",
+    "block.wood.hit": "step.wood",
+    "entity.zombie.infect": "mob.zombie.infect",
+    "music.dragon": "music.game.end.dragon",
+    "entity.zombie_horse.hurt": "mob.horse.zombie.hit",
+    "entity.villager.hurt": "mob.villager.hit",
+    "entity.firework.twinkle_far": "fireworks.twinkle_far",
+    "block.sand.hit": "step.sand",
+    "entity.player.death": "game.player.die",
+    "entity.horse.step_wood": "mob.horse.wood",
+    "entity.player.big_fall": "game.player.hurt.fall.big",
+    "entity.mule.death": "mob.horse.donkey.death",
+    "entity.hostile.big_fall": "game.hostile.hurt.fall.big",
+    "block.gravel.hit": "step.gravel",
+    "entity.shulker.teleport": "mob.endermen.portal",
+    "music.menu": "music.menu",
+    "entity.player.burp": "random.burp",
+    "record.mellohi": "records.mellohi",
+    "entity.wolf.shake": "mob.wolf.shake",
+    "block.glass.hit": "step.stone",
+    "entity.item.pickup": "random.pop",
+    "entity.donkey.hurt": "mob.horse.donkey.hit",
+    "entity.firework.large_blast": "fireworks.largeBlast",
+    "entity.generic.swim": "game.neutral.swim",
+    "entity.hostile.swim": "game.hostile.swim",
+    "block.grass.step": "step.grass",
+    "block.wood.place": "dig.wood",
+    "entity.magmacube.squish": "mob.magmacube.big",
+    "entity.endermen.scream": "mob.endermen.scream",
+    "block.piston.contract": "tile.piston.in",
+    "entity.cat.hiss": "mob.cat.hiss",
+    "entity.elder_guardian.ambient_land": "mob.guardian.land.idle",
+    "block.sand.break": "dig.sand",
+    "entity.generic.splash": "game.neutral.swim.splash",
+    "entity.zombie_villager.converted": "mob.zombie.unfect",
+    "entity.skeleton.hurt": "mob.skeleton.hurt",
+    "entity.small_magmacube.squish": "mob.magmacube.small",
+    "entity.donkey.death": "mob.horse.donkey.death",
+    "entity.wither.hurt": "mob.wither.hurt",
+    "entity.guardian.hurt_land": "mob.guardian.land.hit",
+    "entity.irongolem.hurt": "mob.irongolem.hit",
+    "block.stone_pressureplate.click_off": "gui.button.press",
+    "music.nether": "music.game.nether",
+    "entity.elder_guardian.curse": "mob.guardian.curse",
+    "block.wood.break": "dig.wood",
+    "entity.donkey.ambient": "mob.horse.donkey.idle",
+    "entity.ghast.warn": "mob.ghast.charge",
+    "block.note.bass": "note.bassattack",
+    "entity.donkey.angry": "mob.horse.donkey.angry",
+    "weather.rain": "ambient.weather.rain",
+    "entity.cat.purr": "mob.cat.purr",
+    "entity.elder_guardian.death": "mob.guardian.elder.death",
+    "entity.small_magmacube.death": "mob.slime.small",
+    "block.gravel.place": "dig.gravel",
+    "entity.magmacube.death": "mob.slime.big",
+    "entity.player.hurt_on_fire": "game.player.hurt",
+    "entity.armorstand.fall": "dig.wood",
+    "entity.arrow.hit_player": "random.successful_hit",
+    "block.tripwire.click_on": "gui.button.press",
+    "entity.endermen.death": "mob.endermen.death",
+    "entity.enderdragon.growl": "mob.enderdragon.growl",
+    "entity.firework.blast_far": "fireworks.blast_far",
+    "block.metal_pressureplate.click_off": "gui.button.press",
+    "block.wood.fall": "step.wood",
+    "weather.rain.above": "ambient.weather.rain",
+    "entity.rabbit.ambient": "mob.rabbit.idle",
+    "block.wood_button.click_on": "random.wood_click",
+    "block.stone.step": "step.stone",
+    "block.anvil.hit": "step.stone",
+    "entity.enderdragon.hurt": "mob.enderdragon.hit",
+    "entity.small_slime.hurt": "mob.slime.small",
+    "entity.bat.ambient": "mob.bat.idle",
+    "entity.spider.death": "mob.spider.death",
+    "entity.experience_orb.pickup": "random.orb",
+    "entity.player.swim": "game.player.swim",
+    "block.anvil.use": "random.anvil_use",
+    "entity.horse.saddle": "mob.horse.leather",
+    "block.dispenser.dispense": "gui.button.press",
+    "block.ladder.break": "dig.wood",
+    "entity.silverfish.ambient": "mob.silverfish.say",
+    "block.snow.place": "dig.snow",
+    "block.chest.open": "random.chestopen",
+    "entity.villager.death": "mob.villager.death",
+    "entity.zombie.step": "mob.zombie.step",
+    "entity.wolf.step": "mob.wolf.step",
+    "ui.button.click": "gui.button.press",
+    "entity.experience_bottle.throw": "random.bow",
+    "block.glass.place": "dig.stone",
+    "entity.ghast.ambient": "mob.ghast.moan",
+    "entity.sheep.step": "mob.sheep.step",
+    "block.grass.hit": "step.grass",
+    "entity.skeleton_horse.ambient": "mob.horse.skeleton.idle",
+    "block.slime.break": "mob.slime.big",
+    "entity.endermite.hurt": "mob.silverfish.hit",
+    "entity.endermite.death": "mob.silverfish.kill",
+    "block.anvil.step": "step.stone",
+    "entity.minecart.riding": "minecart.base",
+    "block.metal.hit": "step.stone",
+    "entity.creeper.primed": "game.tnt.primed",
+    "entity.chicken.hurt": "mob.chicken.hurt",
+    "entity.armorstand.place": "dig.stone",
+    "block.end_gateway.spawn": "random.explode",
+    "entity.generic.extinguish_fire": "random.fizz",
+    "record.chirp": "records.chirp",
+    "entity.zombie.break_door_wood": "mob.zombie.woodbreak",
+    "entity.enderdragon.shoot": "item.fireCharge.use",
+    "entity.lightning.thunder": "ambient.weather.thunder",
+    "entity.sheep.ambient": "mob.sheep.say",
+    "block.wood.step": "step.wood",
+    "block.tripwire.click_off": "gui.button.press",
+    "block.snow.step": "step.snow",
+    "entity.zombie_horse.death": "mob.horse.zombie.death",
+    "entity.small_magmacube.hurt": "mob.slime.small",
+    "block.cloth.fall": "step.cloth",
+    "block.stone.break": "dig.stone",
+    "block.ladder.hit": "step.ladder",
+    "block.grass.place": "dig.grass",
+    "entity.tnt.primed": "game.tnt.primed",
+    "entity.skeleton_horse.hurt": "mob.horse.skeleton.hit",
+    "entity.wither.shoot": "mob.wither.shoot",
+    "entity.zombie_pig.ambient": "mob.zombiepig.zpig",
+    "block.note.basedrum": "note.bd",
+    "entity.irongolem.attack": "mob.irongolem.throw",
+    "block.slime.hit": "mob.slime.small",
+    "entity.zombie_pig.angry": "mob.zombiepig.zpigangry",
+    "entity.chicken.egg": "mob.chicken.plop",
+    "entity.firework.blast": "fireworks.blast",
+    "entity.elder_guardian.death_land": "mob.guardian.land.death",
+    "entity.pig.saddle": "mob.horse.leather",
+    "entity.bat.takeoff": "mob.bat.takeoff",
+    "record.13": "records.13",
+    "block.lever.click": "gui.button.press",
+    "entity.slime.death": "mob.slime.big",
+    "record.11": "records.11",
+    "block.sand.step": "step.sand",
+    "entity.splash_potion.throw": "random.bow",
+    "entity.blaze.shoot": "item.fireCharge.use",
+    "block.tripwire.detach": "random.bowhit",
+    "entity.wolf.whine": "mob.wolf.whine",
+    "entity.villager.no": "mob.villager.no",
+    "entity.donkey.chest": "mob.chicken.plop",
+    "entity.horse.step": "mob.horse.soft",
+    "entity.horse.death": "mob.horse.death",
+    "block.metal_pressureplate.click_on": "gui.button.press",
+    "block.grass.fall": "step.grass",
+    "block.wood_pressureplate.click_on": "gui.button.press",
+    "entity.endermen.teleport": "mob.endermen.portal",
+    "entity.zombie.death": "mob.zombie.death",
+    "entity.snowman.shoot": "random.bow",
+    "entity.wolf.death": "mob.wolf.death",
+    "block.cloth.place": "dig.cloth",
+    "block.brewing_stand.brew": "",
+    "block.chest.locked": "",
+    "block.chorus_flower.death": "",
+    "block.chorus_flower.grow": "",
+    "block.fence_gate.close": "",
+    "block.fence_gate.open": "",
+    "block.furnace.fire_crackle": "",
+    "block.iron_door.close": "",
+    "block.iron_door.open": "",
+    "block.iron_trapdoor.close": "",
+    "block.iron_trapdoor.open": "",
+    "block.waterlily.place": "",
+    "block.wooden_door.close": "",
+    "block.wooden_door.open": "",
+    "block.wooden_trapdoor.close": "",
+    "block.wooden_trapdoor.open": "",
+    "enchant.thorns.hit": "",
+    "entity.armorstand.break": "",
+    "entity.armorstand.hit": "",
+    "entity.cow.milk": "",
+    "entity.guardian.ambient": "",
+    "entity.horse.eat": "",
+    "entity.itemframe.add_item": "",
+    "entity.itemframe.break": "",
+    "entity.itemframe.place": "",
+    "entity.itemframe.remove_item": "",
+    "entity.itemframe.rotate_item": "",
+    "entity.leashknot.break": "",
+    "entity.leashknot.place": "",
+    "entity.painting.break": "",
+    "entity.painting.place": "",
+    "entity.player.attack.crit": "",
+    "entity.player.attack.knockback": "",
+    "entity.player.attack.nodamage": "",
+    "entity.player.attack.strong": "",
+    "entity.player.attack.sweep": "",
+    "entity.player.attack.weak": "",
+    "entity.player.breath": "",
+    "entity.rabbit.attack": "",
+    "entity.shulker.ambient": "",
+    "entity.shulker.close": "",
+    "entity.shulker.death": "",
+    "entity.shulker.hurt": "",
+    "entity.shulker.hurt_closed": "",
+    "entity.shulker.open": "",
+    "entity.shulker.shoot": "",
+    "entity.shulker_bullet.hit": "",
+    "entity.shulker_bullet.hurt": "",
+    "entity.small_slime.jump": "",
+    "entity.small_slime.squish": "",
+    "entity.snowman.ambient": "",
+    "entity.snowman.death": "",
+    "entity.snowman.hurt": "",
+    "entity.squid.ambient": "",
+    "entity.squid.death": "",
+    "entity.squid.hurt": "",
+    "entity.witch.ambient": "",
+    "entity.witch.death": "",
+    "entity.witch.drink": "",
+    "entity.witch.hurt": "",
+    "entity.witch.throw": "",
+    "item.armor.equip_chain": "",
+    "item.armor.equip_diamond": "",
+    "item.armor.equip_generic": "",
+    "item.armor.equip_gold": "",
+    "item.armor.equip_iron": "",
+    "item.armor.equip_leather": "",
+    "item.bottle.fill": "",
+    "item.bottle.fill_dragonbreath": "",
+    "item.bucket.empty": "",
+    "item.bucket.empty_lava": "",
+    "item.bucket.fill": "",
+    "item.bucket.fill_lava": "",
+    "item.elytra.flying": "",
+    "item.hoe.till": "",
+    "item.shield.block": "",
+    "item.shovel.flatten": ""
+  },
+  "entitynames": {
+    "shulker": "Shulker",
+    "shulker_bullet": "Shulker Bullet"
+  }
+}
\ No newline at end of file
diff --git a/mappings/mapping-1.7.10.json b/mappings/mapping-1.7.10.json
new file mode 100644
index 0000000..7a73a41
--- /dev/null
+++ b/mappings/mapping-1.7.10.json
@@ -0,0 +1,2 @@
+{
+}
\ No newline at end of file
diff --git a/mappings/mapping-1.8.json b/mappings/mapping-1.8.json
new file mode 100644
index 0000000..43c23e0
--- /dev/null
+++ b/mappings/mapping-1.8.json
@@ -0,0 +1,250 @@
+{
+  "sounds": [
+    "ambient.cave.cave",
+    "ambient.weather.rain",
+    "ambient.weather.thunder",
+    "game.player.hurt.fall.big",
+    "game.player.hurt.fall.small",
+    "game.neutral.hurt.fall.big",
+    "game.neutral.hurt.fall.small",
+    "game.hostile.hurt.fall.big",
+    "game.hostile.hurt.fall.small",
+    "game.player.hurt",
+    "game.neutral.hurt",
+    "game.hostile.hurt",
+    "game.player.die",
+    "game.neutral.die",
+    "game.hostile.die",
+    "dig.cloth",
+    "dig.grass",
+    "dig.gravel",
+    "dig.sand",
+    "dig.snow",
+    "dig.stone",
+    "dig.wood",
+    "fire.fire",
+    "fire.ignite",
+    "item.fireCharge.use",
+    "fireworks.blast",
+    "fireworks.blast_far",
+    "fireworks.largeBlast",
+    "fireworks.largeBlast_far",
+    "fireworks.launch",
+    "fireworks.twinkle",
+    "fireworks.twinkle_far",
+    "liquid.lava",
+    "liquid.lavapop",
+    "game.neutral.swim.splash",
+    "game.player.swim.splash",
+    "game.hostile.swim.splash",
+    "game.player.swim",
+    "game.neutral.swim",
+    "game.hostile.swim",
+    "liquid.water",
+    "minecart.base",
+    "minecart.inside",
+    "mob.bat.death",
+    "mob.bat.hurt",
+    "mob.bat.idle",
+    "mob.bat.loop",
+    "mob.bat.takeoff",
+    "mob.blaze.breathe",
+    "mob.blaze.death",
+    "mob.blaze.hit",
+    "mob.guardian.hit",
+    "mob.guardian.idle",
+    "mob.guardian.death",
+    "mob.guardian.elder.hit",
+    "mob.guardian.elder.idle",
+    "mob.guardian.elder.death",
+    "mob.guardian.land.hit",
+    "mob.guardian.land.idle",
+    "mob.guardian.land.death",
+    "mob.guardian.curse",
+    "mob.guardian.attack",
+    "mob.guardian.flop",
+    "mob.cat.hiss",
+    "mob.cat.hitt",
+    "mob.cat.meow",
+    "mob.cat.purr",
+    "mob.cat.purreow",
+    "mob.chicken.hurt",
+    "mob.chicken.plop",
+    "mob.chicken.say",
+    "mob.chicken.step",
+    "mob.cow.hurt",
+    "mob.cow.say",
+    "mob.cow.step",
+    "mob.creeper.death",
+    "mob.creeper.say",
+    "mob.enderdragon.end",
+    "mob.enderdragon.growl",
+    "mob.enderdragon.hit",
+    "mob.enderdragon.wings",
+    "mob.endermen.death",
+    "mob.endermen.hit",
+    "mob.endermen.idle",
+    "mob.endermen.portal",
+    "mob.endermen.scream",
+    "mob.endermen.stare",
+    "mob.ghast.affectionate_scream",
+    "mob.ghast.charge",
+    "mob.ghast.death",
+    "mob.ghast.fireball",
+    "mob.ghast.moan",
+    "mob.ghast.scream",
+    "mob.horse.angry",
+    "mob.horse.armor",
+    "mob.horse.breathe",
+    "mob.horse.death",
+    "mob.horse.donkey.angry",
+    "mob.horse.donkey.death",
+    "mob.horse.donkey.hit",
+    "mob.horse.donkey.idle",
+    "mob.horse.gallop",
+    "mob.horse.hit",
+    "mob.horse.idle",
+    "mob.horse.jump",
+    "mob.horse.land",
+    "mob.horse.leather",
+    "mob.horse.skeleton.death",
+    "mob.horse.skeleton.hit",
+    "mob.horse.skeleton.idle",
+    "mob.horse.soft",
+    "mob.horse.wood",
+    "mob.horse.zombie.death",
+    "mob.horse.zombie.hit",
+    "mob.horse.zombie.idle",
+    "mob.irongolem.death",
+    "mob.irongolem.hit",
+    "mob.irongolem.throw",
+    "mob.irongolem.walk",
+    "mob.magmacube.big",
+    "mob.magmacube.jump",
+    "mob.magmacube.small",
+    "mob.pig.death",
+    "mob.pig.say",
+    "mob.pig.step",
+    "mob.rabbit.hurt",
+    "mob.rabbit.idle",
+    "mob.rabbit.hop",
+    "mob.rabbit.death",
+    "mob.sheep.say",
+    "mob.sheep.shear",
+    "mob.sheep.step",
+    "mob.silverfish.hit",
+    "mob.silverfish.kill",
+    "mob.silverfish.say",
+    "mob.silverfish.step",
+    "mob.skeleton.death",
+    "mob.skeleton.hurt",
+    "mob.skeleton.say",
+    "mob.skeleton.step",
+    "mob.slime.attack",
+    "mob.slime.big",
+    "mob.slime.small",
+    "mob.spider.death",
+    "mob.spider.say",
+    "mob.spider.step",
+    "mob.villager.death",
+    "mob.villager.haggle",
+    "mob.villager.hit",
+    "mob.villager.idle",
+    "mob.villager.no",
+    "mob.villager.yes",
+    "mob.wither.death",
+    "mob.wither.hurt",
+    "mob.wither.idle",
+    "mob.wither.shoot",
+    "mob.wither.spawn",
+    "mob.wolf.bark",
+    "mob.wolf.death",
+    "mob.wolf.growl",
+    "mob.wolf.howl",
+    "mob.wolf.hurt",
+    "mob.wolf.panting",
+    "mob.wolf.shake",
+    "mob.wolf.step",
+    "mob.wolf.whine",
+    "mob.zombie.death",
+    "mob.zombie.hurt",
+    "mob.zombie.infect",
+    "mob.zombie.metal",
+    "mob.zombie.remedy",
+    "mob.zombie.say",
+    "mob.zombie.step",
+    "mob.zombie.unfect",
+    "mob.zombie.wood",
+    "mob.zombie.woodbreak",
+    "mob.zombiepig.zpig",
+    "mob.zombiepig.zpigangry",
+    "mob.zombiepig.zpigdeath",
+    "mob.zombiepig.zpighurt",
+    "note.bass",
+    "note.bassattack",
+    "note.bd",
+    "note.harp",
+    "note.hat",
+    "note.pling",
+    "note.snare",
+    "portal.portal",
+    "portal.travel",
+    "portal.trigger",
+    "random.anvil_break",
+    "random.anvil_land",
+    "random.anvil_use",
+    "random.bow",
+    "random.bowhit",
+    "random.break",
+    "random.burp",
+    "random.chestclosed",
+    "random.chestopen",
+    "gui.button.press",
+    "random.click",
+    "random.door_close",
+    "random.door_open",
+    "random.drink",
+    "random.eat",
+    "random.explode",
+    "random.fizz",
+    "game.tnt.primed",
+    "creeper.primed",
+    "dig.glass",
+    "game.potion.smash",
+    "random.levelup",
+    "random.orb",
+    "random.pop",
+    "random.splash",
+    "random.successful_hit",
+    "random.wood_click",
+    "records.11",
+    "records.13",
+    "records.blocks",
+    "records.cat",
+    "records.chirp",
+    "records.far",
+    "records.mall",
+    "records.mellohi",
+    "records.stal",
+    "records.strad",
+    "records.wait",
+    "records.ward",
+    "step.cloth",
+    "step.grass",
+    "step.gravel",
+    "step.ladder",
+    "step.sand",
+    "step.snow",
+    "step.stone",
+    "step.wood",
+    "tile.piston.in",
+    "tile.piston.out",
+    "music.menu",
+    "music.game",
+    "music.game.creative",
+    "music.game.end",
+    "music.game.end.dragon",
+    "music.game.end.credits",
+    "music.game.nether"
+  ]
+}
\ No newline at end of file
diff --git a/output_hashes.json b/output_hashes.json
index 1ccf12b..77d9ab6 100644
--- a/output_hashes.json
+++ b/output_hashes.json
@@ -198,5 +198,21 @@
   "20w14infinite:1.16": {
     "object-hash": 1666812931,
     "size": 9803
+  },
+  "1.8:1.9.4": {
+    "object-hash": 2002027499,
+    "size": 1045
+  },
+  "1.9.4:1.8": {
+    "object-hash": 1077342180,
+    "size": 18646
+  },
+  "1.7.10:1.8": {
+    "object-hash": 351608025,
+    "size": 18
+  },
+  "1.8:1.7.10": {
+    "object-hash": -781580610,
+    "size": 94
   }
 }
\ No newline at end of file