Oremageddon

TL;DR: Big quality control update. Lots of bug fixes, and most ‘sub-par’ content has either been reworked to be more interesting or scrapped entirely. Otherwise, Prismarine Caves got some new stuff and a lot of stuff got streamlined.

New Features:

• Added Aurionite Ore and Eye (dropped by the Illusioner)
• Added dynamic tooltips to several vanilla and modded items (expand [+] with 'shift' key)
• Incomplete multi-block structures now show missing blocks
• Added Sea Sponges, Charged Pearls & Tempest Staff to Prismarine Caves
• Added Tome of the Tides to help customise Prismarine Heart
• Added Charged Meef, dropped by Brown Mushrooms (replacing Ravager Steak)
• Added Gravity Hammer as special End Ship loot
• Added special mob spawns during Thunderstorms
• End Crystals now burn purple like Endermite Powder
• Roast Mushrooms can accelerate growth of baby mobs
• Sprinting on flint blocks in iron boots creates fires
• Added empty variant for Silverfish Incubator

Reworked Features:

• Overhauled Prismarine Heart, now has durability & can now copy / re-apply effects
• Reworked Technocrown, reverted stats to compensate
• Reworked Celestial Glass, now toggles visibility with right-click
• Toughened Glass tinting and Mirage Glass direction can now be toggled
• Reworked Silverfish Caviar, can now consume multiple at once (up to max hunger)
• Reworked Gelon Slices, now give stackable Jump Boost and Hunger (up to level 5)
• Reworked Sterile Chorus Fruit to invert all effects, now called Chorus Star
• Reworked Glowshroom Stew, increased duration but randomised debuff
• Reworked Cutlass, now deals more damage when wet and dash consumes hunger
• Reworked all types of staff - cost xp to use instead of durability
• Reworked Builder Staffs, now only the basic version is craftable
• Reworked Clear Pearls, can now be placed as decoration and emit light underwater
• Reworked Infested End Stone & added Endermite Hive blocks

Tweaks:

• Platemail is now made by equipping both armors at once
• Item tooltips now show repair items when at low durability
• Sunken Totems can now be placed, and are found in Prismarine Caves
• Stylish Pumpkins can be worn, and swapped out for any block in the game
• Armor Stands can be customised using Sticks, Feathers and Flint
• Snow Generators now build up layers of Frosted Snow rather than entire blocks
• Frosted & Crystallised Snow Golems now drop Frosted Snowballs
• Frosted & Crystallised Snow Golems leave trails of Frosted Snow
• Plagued Creepers can spawn with multiple effects and inflict them on hit
• Plagued Creepers can now spawn with Poison and Wither
• Inferno Staff can place fire & ignite entities on melee
• Nameless Blade now has an enchanted glint when empowered
• Chorus Juices and Teleporter Pad now display distance travelled
• Expanded the size of the End Rift supporting structure
• Repaired Nether Reactors automatically replace obsidian
• Added more actionbar messages for Builder Staff and toggling various blocks
• All Ender Pearl variants now have special on-hit effects
• Echo Pearls can now affect Experience Orbs too
• Reset Tags can make Nitwits employable
• Heart of the Mountain can lure Villagers and Iron Golems
• Flint can be used to lure Silverfish (requires Pheromones)
• Chorus Fruit can be used to lure Endermites (requires Pheromones)
• Infested Zombies can now drop 3-6 Silverfish Eggs on death
• Expanded dual-wielding behaviour to all applicable mobs (even modded!)
• Increased cobweb generation in Ancient Caves
• Compacted Blocks now have very high blast resistance
• Icicles are transparent and can be crafted into Ice blocks

Fixes:

• Fixed multiplayer crashes caused snowballs & Silverfish/Endermite Buckets
• Hopefully fixed a rare bug that prevented new worlds from being generated
• Fixed a bug that effectively halved the range of Teleport Pads
• Partially fixed Chorus Juice spawning players inside walls in the nether
• Chorus Juices can no longer teleport above a fatal drop
• Silverscale Shield bash can now disarm left-handed mobs too
• Fixed Builder Staffs ignoring entities when placing blocks
• Cutlass dashing no longer works when sneaking or flying (no more infinite elytra)
• Fixed Emerald Hoe attack speed, now the same as Diamond
• Fixed Growth Staff item cooldown not working properly
• Fixed Stylish Scissors not working on Beehives
• Fixed Totem of the Deep losing durability in the rain
• Fixed Resistance Infernal Nether Star tooltip colour
• Some animals can now be lured using Tainted Wheat
• Fixed Tainted Wheat being unable to breed Mooshrooms
• Pheromones apply instantly when used & are now lost on death
• Pheromones are required for feeding (previously just for the rewards)
• Heart of the Mountain now overrides the trading interface
• Hearts gained from Health Boost are now full by default
• Pet buffs apply to all tamed animals, but not wild ones
• Horse speed buff applies to undead horses too
• Fixed Zombie Villagers in Infested Caves never being infested
• Plagued Creeper effect duration should now be consistent
• Slowness Creepers no longer move slower
• Magma Cubes now take damage from Snowballs
• Fixed mob armor always being unbreakable
• Fixed "Break it to me" not being awarded by skeletons breaking their bow
• Fixed "I dub thee" being awarded incorrectly when using a blank nametag
• Fixed root advancement not being awarded by some cave biomes
• Burning Cocoons / Wrapped Barrels with a Fire Charge now makes the correct sound
• Cocoons & Wrapped Barrels can now be burned using an Inferno Staff
• Cave Paintings no longer override right-click if holding another one
• Fixed Purity Powder completely destroying Mycelium instead of turning it to dirt
• Fixed powder blocks not being placeable on slabs or leaves
• All powders can now chain ignite whilst hidden
• Powders no longer emit particles whilst hidden
• Fixed some blocks missing the #dragon-immune tag
• Fixed Toughened Glass not being properly tinted & not dropping without a pickaxe
• Trading Post and Salt Lick are now properly waterloggable
• Fixed Trading Post spawning with a major offset
• Fixed Salt Lick not dropping when broken
• Fixed Tall Grass & Large Ferns not dropping
• Reworked water carver in Prismarine Caves, should be better now
• Fixed some effect icons flickering / lingering (Totem of the Deep & Infernal Nether Star)
• Fixed Raw Meef always being edible (despite having no potion effect on player)
• Fixed Cured Flesh not being meat, & Dried Fish being meat (wolves don't eat fish?!)
• Fixed a very rare visual bug that caused eggs to appear
• Fixed a few incorrect lang translations
• Fixed the infinite cake exploit :(

Vanilla:

• Sneak-right-click Ender Chests to relocate them
• Fire Charges can be thrown (improved by Dragon Head)
• Totem of Undying works against falling into the void
• Added two new named mob easter eggs (Notch & Charlotte)
• Items now show their custom names when dropped
• Beetroot Seeds can be used to heal Parrots
• Added very rare Bee and Turtle jockeys
• Bees, Cats and Ocelots can naturally spawn as babies
• Prismarine Blocks are now cheaper to craft
• Clay drops itself and can be crafted into Clay Balls

Balance Changes:

• Totem of the Deep is no longer crafted, and is obtained at the Prismarine Heart
• Prismarine Hearts are now craftable (still generate in monuments)
• Prismarine Blocks now generate uncommonly in Prismarine Caves
• Ancient Skeletons have chainmail / platemail instead of leather
• Ancient Skeletons have a chance to spawn with a Nameless Blade
• Wither Skeletons spawned by Nether Invasions no longer drop skulls
• Plagued Creepers & Axe Zombies can very rarely spawn on Normal
• Reverted Endermite speed and Evoker health buffs
• Ancient Shulker thorns no longer inflict Levitation
• Removed random Phantom sizes (now always spawn as smallest size)
• Endermites now eat Chorus Fruit instead of Stardust
• Re-added Infernal Nether Star as furnace fuel
• Added Conduit Power to Fortune Cookies
• Buffed Frosted Snowball damage to 2 (from 1)
• Composter & Stone Compactor now give a little xp when used
• Removed ore deposits / megaveins
• Increased XP gained from smelting Gold Ore
• Tweaked Desert Lapis generation to be closer to the surface
• Prismarine Ore only generates in Prismarine Caves
• Prismarine Crystals no longer speed up Prismarine Clams
• Gelons no longer fall when unsupported (patched auto farms)
• Removed some composter additions (notably eggs)
• Large Glowshrooms no longer generate outside of Cave Biomes
• Catalyst blocks now require Nether Quartz to craft
• Identifier & Reset Tags are now more expensive
• Shearing Melons & Gelons costs 2 durability
• Removed Sunken Totems from Ocean Ruins
• Removed Zombie Beetroot drop
• Removed Ravager Leather drop

Removed Content:

• Removed Cloudy, Stormy, Pristine and Brilliant Pearls
• Removed most artifact weapons (except Nameless Blade & Cutlass)
• Removed all end city treasure items (Void Totem, Magic Mirror, Item Magnet, Void Edge)
• Removed Sporing Mycelium, spores can now be placed directly
• Removed Ravager Steak (functionally replaced by Charged Meef)
• Reverted Luck and Unluck changes for better integration
• Removed Armor Stand variants (no longer needed)
• Removed Ominous Raid Horn & Enchanted Ominous Raid Horn
• Removed Caramel, Fried Eggs and Cooked Tropical Fish
• Removed Golden Beetroots
• Removed all Endless Bucket items
• Removed Campfire and Ender Chest dropping when broken
• Removed Ghasts from Nether Invasions (seemed like a good idea at the time)
• Removed Cave Spider effect transfer (too unintuitive)

Compatibility:

• Appleskin: Correctly identifies all "unsafe" foods
• Food Pouch: No longer absorbs Cornucopia or other food items with effects
• HYWYLA: Non-empty spawners have a warning border
• Rotten Creatures: Any flesh can be cured or used for Fertiliser
• Stone Compactor now works on any #forge:stone, #forge:cobblestone or #forge:dirt
• No longer overwrites entity or chest loot tables
• Piercing damage buff now works for level V (added by Quark among other mods)
• Removed Pillagers dropping arrows (feature in Savage and Ravage)
• Removed Nautilus Fossil Ore (Upgrade Aquatic does it better)
• Removed auto recipe giver (Quark does it better)