[Characters]
- Jack now starts with 1000 gems.
- Rex's life drain has been changed from the minimum between 2% of inflicted damage and 5% of victim max health to 10% of inflicted damage multiplied by the inverse of the victim's current health percentage.

[Powerups]
- Optimized the flashes created by the activation of Siren's Harp.

[Weapons]
- Added new weapon "Kickbeam Cannon".
- Increased weapon projectile spawn distance from 4 to 24.
- Fixed nail impact effects not matching the scale of the nails that created them.

[Monsters]
- Added Bat monster.
- Updated appearance of enemy projectiles for improved readability.
- Raised elite base health multiplier from 5x to 6x.
- Golem base damage is now fixed at 20, rather than ranging from 18 to 36 based on variant.
- Cube Golem base damage is now fixed at 60, rather than ranging from 52 to 60 based on variant.
- Squid school size has been lowered from 25 to 10 and now spawns at an interval of 0.333 seconds rather than 0.166 seconds.
- Bloodworms now have cycle-exclusive behavior.
- Fixed Eye Saws not being removed if they exit the room.
- Eye Saws no longer cause intentional freezeframes.
- Shadow Balls no longer cause intentional freezeframes.
- Raised boss death freezeframe duration from 0.4 seconds to 1 second.
- Boss-awarded gems are now emitted at an interval of 0.333 seconds instead of 0.066 seconds.
- Fixed Observer projectiles not displaying impact sprites of matching scale.
- Fixed weird behavior of nail impact effects on Artifact Engine during its death sequence.
- Fixed Artifact Engine participating in collisions during its death sequence.

[Chests]
- Lowered base cost of tier 1 chests from $1000 to $750.
- Lowered base cost of tier 2 chests from $2500 to $2000.
- Lowered base cost of tier 3 chests from $5000 to $3500.
- Chests now have a 33% chance of awarding a copy of your most recently acquired powerup.

[Shops]
- Raised base cost of tier 1 shop items from $500 to $750.
- Raised base cost of tier 2 shop items from $1250 to $2000.
- Raised base cost of tier 3 shop items from $2500 to $3500.
- Shop prices now increases by 2.5% globally upon purchase, rather than 10% compounding for that individual item.

[Standard]
- Added survival rooms, which lock for a specified duration and have monster spawners which are more powerful.
- Shadow Balls now spawn earlier.
- Fixed accessory being lost upon starting a new cycle.

[Arena]
- Added a ceiling to the Arena room.
- Fixed enemy spawners in the Arena room destroying the walls that prevented the player from leaving.
- Converted some blocks in the Arena room to vegetation.
- Arena difficulty now scales up by 5% every minute instead of 2.5%.
- Arena crate/chest spawn interval has been lowered from 20-30 seconds to 10-15 seconds.
- Fixed bug which prevented Arena mode from spawning explosives more than once in a run.
- Lowered bonus chance of elite monsters dropping powerups from 5% to 1% in Arena mode.

[Misc]
- Added prototype of hidden cavern personalities, which influence procedural generation and various other gameplay values.
- Block base health scale has been lowered from 1.75 to 1.25.

[UI]
- Added screen which displays newly unlocked items upon returning to the main menu.
- Fixed cycle screen displaying the cycle as one number too low.
- Added trail to the health bar for better damage readability.
- Fixed the input guide in some menus displaying the wrong keyboard key for the "Back" input.