Patch Notes:

New weapons:
Bomb
>Throw bombs at distant enemies, explodes appying both On-hit and On-death effects.
Crossbow
>Shoot spike bolts towards enemies, piercing their ranks.

New spells:
Lightning
>Killing enemies may cause Lightning strikes
Bolt
>Your heartbeats may trigger lightning bolts to emerge
Dust
>Killing enemies may summon Dusty tornadoes to swirl around you
Ice
>While standing still, spew Ice blocks to freeze enemies within

New passives:
Vampirism
>chance to gain Life when killing enemies
Luck
>improves various chance-based effects
Dodge
>chance to avoid damage when hit
Regeneration
>improves amount regenerated / reduces heartbeat time
Running
>improves movement while defending
Gravity
>increases collection area
Learning
>increases the value of Marrow pickups
Cooldown
>reduces time taken to cast spells

New areas:
Swampy Mudlands
>Unlock by beating the Pump King endboss at the Boneyard
Iron Horde Fortress
>Unlock by beating the Maleable Snake endboss at the Swamp

New enemies:
>Sludges, Iron Hats, Deathbots, Mothmen and many, many more.

Changes:

Danger
>Enemies now spawn based on Danger rather than player Level
>The longer you've been in the run, the more Dangerous it becomes
>Time runs out quickly after you opened all Chests
>Endbosses will spawn after around 15 minutes have passed
>Killing an Endboss will win you the run

Chests
>Require a Key to open. May contain Weapons, Spells, Brains and Arms
>Opening a chest may draw attention of a Miniboss.
>Bone Totems will point at chests when available.

Barrels
>Can be broken.
>May or may not drop Marrow, Hearts, Arms or Keys.

Weapons
>All weapons now require one Arm to be equipped in.
>Arms may drop from well Armed enemies as well as from Barrels and Chests.
>Changes done to statistics of all weapons

Spells
>All spells require available Brain to be learned.
>Brainpower can be increased with Levels or found in Chests.

Portals
>After all chests have been opened, a Portal can take you to the next level where enemies will be stronger, spawn faster and new chests will appear.
>Bone Totems will point towards portals once all chests were open.

Shop
>Sometimes a Portal may take you to the Crow shop.
>A very friendly but hungry Ordofeu Crow will want a piece of your Heart in exchange of items.

Hats
>2 Different cosmetic Hats can be worn in place of a Helmet.
>Full version will include many more that must be found around the world