This patch balances a ton of things better, improves block blending, and fixes a ton of other minor issues.
0.904 change list:
increased SkillWampirPoisonAttack UseCheckChance from 0.15 to 0.45
fixed guards not getting spawned with correct level (Ironclaw)
increased Styrac ArmorMult from 2.0 to 4.0
increased Styrac HealthMult from 1.0 to 1.5
increased wisp DefenseMult from 1.0 to 3.0
increased Death Knight ArmorMult from 2.0 to 4.0
increased FallingDamageMinDamage/FallingDamageMaxDamage from 0.1/1.35 to 0.125/1.45
decreased desert SecondaryBlockClumpsMult from 8.0 to 6.0
decreased swamp SecondaryBlockClumpsMult from 6.0 to 5.0
increased natural affinity chance for crafted items from 0.1 to 0.4
door vendors should actually have doors for sale more often
fixed pit traps
decreased ice DigHealthMult from 0.05 to 0.025
ghosts now have more elemental resistances
increased RylorBull DamagePercentPhysical from 1.2 to 2.4
increased Vortar Flaming Claws from 200 to 400 extra fire percent
made banner bounds a little smaller so easier to place
now when a durability rune is added to an item it increases the current durability also
explosive gas trap now releases 750 instead of 250
should no longer spawn chests, traps, and rocks above ground where it will fall
fixed upgrading chests from materials in chests again
increased brute DamagePercentPhysical from 1.0 to 3.0
fixed splitting an item stack sometimes going to hotbar/equipment and causing issues (Hathunter)
now if player is shrunk they use the smaller size for collision purposes (can fit in smaller places)
barrels no longer can contain poison gas (now poison liquid)
crates no longer can contain poison gas
now if cure gets rid of a zombasite status effect it also clears infection (Steelclaw)
wishing well that cures should now cure player of short term curses also
made it easier to see when tower starting to fire (anim & effect)
fixed a corner blending issue with top overlay blocks (like grass)
fixed some sorting issues with background blocks
added arc to imp archer and stalker hunter
fixed world map from having straight edges where new stuff revealed (increased sightGridSize/decreased worldMap maxFogDistance)
now update NPC gift list if any relations change (so can see what is changing)
fixed unnamed gas being released from quest monsters sometimes (it was poison, now named properly)
fixed explosive gas curiosity print
fixed guard text and actual health not matching up correctly (some bonuses still not taken into account)
fixed gems on ground being fullbright
fixed weird line on rugged leather scrap icon
ore blocks on ground are now bigger
fixed help button on main game menu not matching where it is when you pull up that help page
decreased bag GroundScale from 2.0 to 1.5
fixed a bunch of NPC dialog containing prefix/suffix stuff that doesn't make sense for town NPCs
effects no longer stop/restart due to opening world map
added number of empty houses to good houses line on NPCs screen
should no longer get town attack sounds when threat did 0 damage
removed an extra space in feast text
changed PROTOCOL_VERSION to 165