These are the features from v0.4 and higher:

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NEW BLOCKS:

Mystical Ore (generates exclusively in mystical forest biomes)

Glorium Ore (generates in the end)

Block of Glorium (made with 9 glorium shards)

Mystiwood Wood type and block variants (trees generate in the mystical forest biome, all blocks emit light)

Mossy Netherrack block (unobtainable in Survival)

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NEW ITEMS:

Mystical Shard (obtained by breaking mystical ore, no use yet)

Glorium Shard (obtained by breaking glorium ore, no use yet)

Nether berries (obtained by nether berry bushes in the Nether)

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NEW BIOMES:

Mystical Forest (a biome that generates mystical ore, mystiwood trees, and silverwood trees)

Nether Grove (disabled by default, a biome that generates in the Nether with a new wood type and blocks)

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AS OF MOREPROGRESSION v0.3.0, 

NEW BLOCKS:

Crusher block (used for ore doubling)

Cherry Wood Block Variants (slabs, stairs, doors, fences, etc.)

Marble, Basalt, and Limestone block variants (slabs, stairs, and walls)

Dust

Terracotta Grass

Silverwood Tree and block variants for wood (slabs, stairs, doors, fences, etc.)

Redwood tree and block variants for wood type (slabs, stairs, doors, fences, etc.)

Reinforced barrel (as resistant as obsidian)

Field grass (drops wheat seeds)

Corn grass (drops corn seeds)

Enderanium block (made by putting a tritanium block in an ender infuser)

Ender infuser (crafted with 4 ender blocks, 4 ender ingots, and a furnace)

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4 NEW BIOMES:

Terracotta Plains:

Just like the plains biome but no trees and blue terracotta everywhere.

Dust Wasteland:

A desert without the life of it. Just a barren wasteland of nothing.

Redwood Forest:

Forest full of redwood trees, generates like mega taiga biome.

Field:

Simply a plains biome that generates with exclusive grass types.

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NEW FOOD:

Horse Ribs and Calamari

Peaches and peach pie

Juice variants for cherries, carrots, peaches, and apples.

Cactus berries (Cactus berry bushes generate in deserts)

Cactus berry juice

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NEW ITEMS:

Enderanium ingot (made by putting a tritanium ingot in an ender infuser)

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NEW TOOLS AND ARMOR:

Nether Star tools, strongest in the game

Dragon scale armor, strongest in the game (until it's not)

Paxels (Multitool)

Enderanium tools and armor (made with enderanium ingots)

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Currently, there are 4 ores, one of which does not have a tool and armor set yet.

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Bone:

Generates in the overworld as a fossil ore, mining that drops 2 to 3 bone fragments which can be used to craft bone tools and armor.

Bone fragments also can be used to craft bones and bone meal

Ianite:

Generates in the overworld as ianite ore, mining this drops 1 ianite gem which can be used to craft ianite tools and armor.

Ianite gems can also be used to craft a block of ianite.

Tritanium:

Generates in the nether as tritanium ore, mining this drops the ore block which can be put in a furnace or blast furnace to give you a tritanium ingot. Tritanium ingots can be used to craft tritanium tools and armor. Tritanium ingots can also be used to craft a block of tritanium.

Ender:

Generates in the end as ender ore, mining this drops the ore block which can be put in the a furnace or blast furnace to give you an ender ingot. Ender ingots have no use as of right now, although they can be use to craft a block of ender.

Cherry:

Obtainable from Cherry Leaves which generate with the Cherry Tree.

Cherry Pie:

Cherry pies can be crafted with an egg, sugar, and a single cherry.

Corn:

Obtainable from corn crops.

(credit to enemeez1 for corn crop block)

Corn Seeds:

Obtainable from breaking tall grass. Corn seeds can be planted on farmland to grow corn.

Hamburger:

Craftable with two pieces of bread and a steak in between.

Blue Berries:

Obtainable from blue berry bushes found generated around the world.

Marble and Marble Bricks:

Marble is generated underground in the overworld, can be crafted into marble bricks and can also be put into a stonecutter.

Limestone and Limestone Bricks:

Limestone is just the same as marble.

Basalt and Basalt Bricks:

Basalt is the final rock type that is generated in the nether, can also be crafted into bricks with both a crafting table and stonecutter.

Cherry Log and Cherry Planks:

Cherry wood is obtainable from Cherry Trees which generate in Cherry Forest biomes.