1.2.10.1

1.2.10.1 introduced the first half of the update that added a new biome, the Aquatic Depths.

Granite Cave

 * Added Granite Surger
 * Added the Granite Energy Storm boss
 * Added Energy Manipulator, Energy Storm Partisan, Energy Storm Bolter, Energy Projector, Eye of the Storm

Aquatic Depths

 * Added Marine Rock, Mossy Marine Rock, Aquaite, Aquaite Bar
 * Added Barracuda, Giga Clam, Hammerhead, Man o' War, Octopus, Sharp Tooth and Volt Eel
 * Added Pearl, Cartilaged Catcher, Depth Scales, Magic Conch, Illustrious, Pearl Pike and Shark Storm
 * Added Marine Kelp, Sea Turtle's Mystical Bulwark, Geyser Staff, Aqua Pelter, Agnor's Bowl
 * Added Frenzy Potion, Glowing Potion
 * Added Tide Hunter armor and Depth Diver armor

Healer

 * Added Life Essence Apparatus, Heretic Breaker, Purified Water, Life Disperser, Life's Gift
 * Added Blood Transfusion, Celestial Burst Staff, Midnight Staff, Gauze, Syringe, Dark Intent
 * Added Life-Powered Energy Cell, Biotech armor

Other

 * Added Padded Grip, Bone Grip

Changes

 * The Primordials has been buffed.
 * Storm Flares and the Grand Flare Gun are now crafted at anvil
 * Tectonic Anomaly Detector has been removed; Skeletron's first defeat now displays a proper message instead.
 * The Grand Thunder Bird's Hatchlings now have a 33% chance to drop a heart on death.
 * Coznix, The Fallen Beholder's minions are now summoned while his life remains above 35%.
 * Dragon armor's set bonus has been updated.
 * Icy armor's set bonus and sprite animation have been updated.
 * Thorium, Titan and Magma armor's sprite animations have been updated.
 * Granite Eradicators and Hatchling sprites have been updated.
 * Saba, Jellyfish Idol, Carnivore Tail, Renew, Ocean's Judgement, Deity's Trefork and Omni-Bow sprites have been updated.
 * Various projectile dust effects have been updated.
 * Death Grip and Soul Bombs have been changed around.
 * The magic spell crystals (Ignite, Poison, Dissolve etc.) have had their sprites updated.
 * Non-consumable throwing items can now have prefixes.
 * Detached Blaster's damage, crit chance and knockback have been buffed, but its use speed and mana cost have been increased.
 * The Boomerang Grip has been removed; Replaced with the Padded Grip, which is sold by the Desert Acolyte after the Eye of Cthulhu has been defeated.
 * Poison Vile has been removed.
 * Locusts created by the Eighth Plague Staff now have a 33% chance to poison the hit enemy for 2 seconds.
 * Darksteel Alloy has had its name changed to "Knight's Alloy".
 * The "Healer Class" tooltip is now colored yellow.
 * Donator items now appear with a "Teal" rarity.
 * Life Surge Staff has its recipe cost reduced from five to four Chlorophyte Bars.
 * Holy Potions no longer require dayblooms to be crafted.
 * Life Quartz Claymore and Spirit Bender's Staff now deal radiant damage.
 * Templar armor is now made from Knight's Alloy and Life Quartz.
 * Templar armor now gives more maximum mana and has a new leg animation.
 * Hallowed Paladin armor is now cheaper to craft.
 * Novice Cleric armor's set bonus and Wynebgwrthucher now only work with direct healing spells, not radiant heals.
 * Twinkle and the Omega Drive are now light pets.
 * Aura staves and the auras themselves now have a new sprite and visual effects.
 * Firestorm Boots now produce flames around the player while moving.
 * Terrarium armor's set bonus now procs every second; no longer in random intervals.
 * Illumite armor's effects changed around.
 * Ocean armor's stats have been changed.
 * The Dragon armor and Titan Headgear set have had their buffs removed for effect clean up.
 * On death, the Nurse will now drop Syringes, a Healer class item.
 * Every half day, the Druid will give free Herb Bags to a player.
 * Void Lance's portal duration has been changed from ten to fifteen seconds.
 * Terra Bow's homing laser's damage has been changed from 40 to 50 damage. It also scales with ranged bonuses now.
 * Eye of the Destroyer has had its laser radius increased.
 * Frenzy Staff now increases melee speed, firing speed, casting speed and movement speed.
 * Inferno Staff deals more damage and prolongs an added extra second after pluming.
 * Necromancer's Heart has been buffed.
 * Wynebgwrthucher now provides immunity to knockback.
 * Seraphim Idol has had its healing speed increased from 15% to 18%.
 * The Blast Shield makes enemies target the player even more.
 * Demon Blood armor makes enemies target the player even more.
 * Mushymen Staff has had its damage reduced from 28 to 25 to compensate for the debuffs it applies.
 * Novice Cleric armor's set bonus now only heals 2 life per ally healed instead of 4.
 * Terrarium Pulse Rifle now deals less damage and shoots less quickly.
 * High Tide now costs more mana and has had its use speed reduced.
 * Slugger has had its damage and use speed reduced.
 * Void Lance has had its use speed nerfed
 * Soul Stone has been nerfed.
 * Minotaur Skull has been nerfed.
 * Phylactery has been nerfed.

Bug Fixes

 * Particle Whip no longer obliterates the Destroyer.
 * The firing speed, casting speed and healing speed stats have been turned into floats, fixing all previous bugs associated with them.
 * Crystalline Charm will no longer sap the tool range of ally tools.
 * Orichalcum Staff now has the appropriate rarity of 4 and has had its tooltip fixed.
 * The Life Bloom mask now has the appropriate rarity of 7
 * Removed "Healing Time" buff.
 * Bosses no longer miss stationary targets.
 * Earthen Bats, Earthen Golems & Hopping Spiders now drop less money.
 * Earthen Bats, Earthen Golems & Hopping Spiders now correctly spawn in the Cavern layer.
 * Earthen Bats & Earthen Golems can now only petrify you in expert mode
 * The "Diverless" Queen Jellyfish has her tentacle attack working
 * Holy Aegis can no longer stack to 99.