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V.4.0 [MC 1.10-1.12] (//): The update that changed some things
tl,dr: Completely overhauled many textures. Remade some older ones, which just didn't look that good anymore,
also improved the palettes of most blocks
For the 2,5 people who actually read this, here is a (mostly) complete list:

*Added:
 -random block texture: stone
 -random block texture: houstonia
 -random block texture: orchid
 -4 random block textures: allium
 -4 random block textures: poppy
 -4 random block textures: daisy
 -4 random block textures: deadbush
 -5 random block textures: dandelion
 -5 random block textures: sand/red sand
 -6 random block textures: brown mushroom
 -6 random block textures: red mushroom
 -8 random block textures: cobblestone
 -9 random block textures: carved sandstone/carved red sandstone
 -21 random block textures: ores (all except quartz, 3 per ore block)
 -custom block model: sugar cane
 -2 custom block models: dispenser/dropper (for different top/side textures)
 Optifine:
 -random mob texture: pig
 -2 random mob textures: sheep
 -3 random mob textures: skeleton/wither skeleton
 -4 random mob textures: spider/cave spider (2 each)
 -4 random mob textures: creeper
 -6 random mob textures: squid
 -6 random mob textures: chicken

*Remade block textures:
 -grass path
 -ice
 -deadbush
 -dirt
 -snow
 -coarse dirt
 -torch
 -dragon egg
 -clay
 -birch leaves
 -birch log
 -jungle log
 -dark oak leaves
 -bedrock
 -hopper
 -vines
 -lily pad
 -enchanting table
 -monster spawner
 -sea lantern
 -red mushroom
 -mushroom skin (red/brown/inside)
 -brick double slabs
 -end stone
 -end stone bricks
 -prismarine bricks
 -nether bricks
 -netherrack
 -nether wart block
 -cobblestone/mossy cobble
 -sand (normal/red)
 -farmland (wet/dry)
 -redstone torch
 -brick (normal/double slab)
 -repeater (on/off)
 -comparator (on/off)
 -sunflower (all)
 -peony
 -rose bush
 -lilac
 -anvil (all)
 -stone slab (top/side/double slab)
 -daylight sensor (all)
 -quartz (all)
 -tnt (all)
 -end portal frame (side/top/eye)
 -furnace (all)
 -observer (all)
 -log top (all)
 -sandstone (all)
 -red sandstone (all)
 -rails (all)
 -glass (all 17)
 -wool (all 16)
 -concrete (all 16)
 -concrete powder (all 16)
 -hardened clay (all 17)
 -water animation (still)

*Remade item textures:
 -black dye powder (ink sac)
 -compass (all)
 -clock (all)
 -rotten flesh
 -egg
 -potions (normal/splash/lingering)
 -xp bottle
 -ghast tear
 -boats (all 6)

*Remade entity textures:
 -alex
 -steve
 -slime
 -magma cube
 -blaze
 -enderman
 -skeleton
 -wither skeleton
 -wither
 -witch
 -sheep (2)
 -ghast (2)
 -zombie (also random mob textures)
 -ocelot/cat (all 4)
 -illager (all 4)
 -villager (all 6)
 -boats (all 6)
 -rabbits (all 8)
 -beds (all 16)

*Remade gui textures:
 -title screen background

*Remade block models:
 -beacon
 -oak door (2 models)
 -birch door (2 models)
 -dark oak door (2 models)
 -trapdoor (3 models)
 -iron trapdoor (3 models)
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