Here are the patch notes :

You can now respawn
You can save your world and your character
Hardcore difficulty added
The nights are not pitch black
Torches emit more light
Iron voxels are more obvious and more common
Stone structures are now invincible
You can break crystal hearts with most weapons
The terrain visual style is back to a more voxel look
Hunger is removed until more food is added to the game
Map is not zoomed all the way in when you open it
Health potions only require 2 mushrooms
Campfires don't require stone
Freezing is less deadly
You passively regenerate a small amount of health over time
Bushes spawn rate is now +300%
All the tree models got reworked
The fog is more colored and more dense
The digging speed is 50% slower (it was a bug)
Added the option to lower the render distance
You can't accidentally mine your house when clicking in your inventory with a pickaxe in your hand
Magma voxels now give magma stone instead of dirt (unlocking the Fire staff)
Switching out of your hammer closes the build menu
Can't spawn infinite minions by spamming the staff
Worm boss invocators now have 200 hp instead of 100 hp
Big health potions are twice as cheap to craft
Added a patch notes button 😄
Have fun! ❤️