Patch 15: The FULL ARSENAL Update
Additions:
Added 7-S
Added Alternate Weapon in 7-2 secret
Added "Firestarter" red Rocket Launcher variation
Added "JumpStart" red Nailgun variation
Added "Sawed-on" red Shotgun variation
Added Brutal difficulty
Conductor aftershocks now spread damage to nearby enemies and other conducting objects
Underwater electric attacks now cause conduction in all underwater enemies (and the player)
Added Sound Effects Volume option
Added Muffle Music While Underwater option
Added "Puppeted" alter arm option for enemies
Added console commands "forcepuppet", "forcesand" and "forcebossbar"
Earthmover Rocket Launcher, Mortar and Tower are now spawnable with the Spawner Arm
Added "Previous Variation" bind, Q by default (Last Used Weapon is now unbound by default)
General Changes:
Bloodsplatter collision system has been rewritten to greatly improve the accuracy of environmental collisions
Updated and reorganized the options menu
Replaced "Checkpoint" pause menu button in intermissions with a "Skip" button
Hitting a coin in a split state with an Alternate Revolver will now reset the draw state of all equipped Alternate Revolvers, as well as play a shorter recovery animation
Coins now increase the damage of the explosions of explosive hitscans
Player healing block from getting hit by an explosion now only applies to bloodsplatters caused by explosions
Shockwaves now fade out instead of disappearing instantly
Increased style points for explosions that don't kill
Added new style bonuses for the S.R.S. Cannon
Screwdriver railcannon now has style bonuses
Reduced style points gained from a successful projectile boost from 150 to 90
Auto-aim will now also target hookpoints
Nailgun magnets can now be fired immediately after changing to the weapon and will no longer interrupt standard firing
Added a sound effect to firing a Nailgun magnet
The hologram display of the Rocket Launcher will move to a more visible position when using the middle weapon position option
Player rockets are no longer attracted to magnets that are connected to an enemy if the enemy is dead
Trams will now instantly kill any enemies they hit
Added arrows to UI scrollbars to make it clearer they can be scrolled
Level stats HUD element and cheats overlay positions mirror when Weapon Position is set to Left in order to reduce overlay with other HUD elements
Capped SSJ speed to 100u/s
Ground slam no longer causes projectile interruptions
Added a "Cyber Grind Only" option to the Mission Restart/Quit Warning setting
No Weapon Cooldowns cheat now also stops magnet timers
Enemy Changes:
Minotaur now has an attack for hitting a target that's on its back
Reduced Cerberus orb damage from 35 to 20
Idols now give style points when destroyed
Enemy projectiles will now get destroyed between Cyber Grind waves
Increased Knuckleblaster damage to Drones so a single punch can still kill a radiant Drone
Added a secondary bar to the Earthmover brain that shows the time until the next Idols spawn
Earthmover Brain now takes increased damage from parried projectiles
Added vertical line to Ferryman lightning windup to more clearly show where the lightning can be chargebacked
Dying Hideous Masses can now be whiplashed to
Punching a dying Mindflayer into a Gutterman now breaks its shield
Mannequins in the Cyber Grind now spawn on melee tiles instead of projectile tiles
Improved textures for Insurrectionists Angry and Rude
Enemy hitscans no longer cause hitstop when hitting an enemy rocket unless the player is riding on it
Reduced Guttertank Cyber Grind spawn cost and spawn cost increase from 55 to 40
Ferryman parries can now also cause the Conductor bonus
Level Changes:
Added a new checkpoint near the start of 7-4 to reduce restart time
Added a new checkpoint after the fall of the clocktower in 7-2
Added terminals near Alternate weapon pick up spots for easier arsenal control
Added an error message to the 7-2 payload panel when trying to lower payload without tram
Tweaked 2-1 dash jump tutorial text for clarity
Hard Damage related tutorials no longer show up on difficulties that have no hard damage
Red Soul Orb tutorial message no longer shows up on Harmless difficulty where maximum health is already 200
Using the Disable Enemy Spawns cheat now also disables background enemies from 2-1, 2-2, 2-3 and 4-1
5-2 cabin door will no longer open exclusively outwards
Fixes:
Fixed magneted nails getting pushed by explosions again
Fixed the exit/restart warning messages in appearing behind the pause menu the Intermissions, making them unclickable
Slightly lowered the trigger for the Tutorial end pit so players can no longer accidentally slip out of it
Fixed 6-2 Gabe only using one combo attack before the first taunt on Harmless and Lenient
Fixed Sharpshooter not being able to destroy homing mortars
Fixed the breaking of the first 5-2 Idol before the Filth has spawned causing the Filth to stay blessed
Fixed game freezing when throwing a soap at an idoled Drone
Fixed some cheats-only console commands not requiring cheats to be turned on
Fixed Cyber Grind song names popping up even if the song is looping
Fixed being able to punch while paused
Level names now appear at a speed independent from framerate
Fixed a small gap in the geometry next to the entrance door in 7-4
Fixed a small gap in the floor of the 7-4 secret path that could cause players to fall through
Fixed blurriness in the text in the main menu
Fixed the 5-S leaderboard's title being blurry
Fixed the 5-S leaderboard sometimes overflowing
Removed an invisible collider in the Credits Museum
Fixed the 7-4 sand warping too much with texture warping
Improved camera angle check for posing mannequins
Swordsmachine AI no longer breaks after throwing a sword at a flying enemy
Modified hookpoint values now get properly saved in sandbox saves
Fixed the player unstucker trigger under the 7-2 bomb being visible
Fixed 2-2's first checkpoint not disabling the black cube blocking off the previous area if the player has gone far enough to activate it
Fixed a small gap in the ceiling of 2-2's generator room
Fixed an untagged wall in 1-2
Fixed the 1-2 blue skull room door not closing if the player checkpoints after picking up the skull
Fixed Swordsmachines getting launched up unpredictably when attacking up a ramp
Fixed the Swordsmachine spiral sword throw having an incorrect speed at lower difficulties
Fixed the style meter text sometimes appearing behind weapons
Fixed the Hideous Mass, Flesh Prison and Flesh Panopticon death animations not healing the player if blood is turned off
Fixed 0-4 challenge counting total slide time and not uninterrupted slide time
Fixed 4-1 final arena sometimes having a delay before ending
Fixed issues with loading Violence layer music in the Cyber Grind
Streetcleaner canister no longer gets teleported to world origin if its spawn room reaches the maximum gib count after a canister instakill
Fixed Filth limbs sometimes getting teleported to world origin
Fixed a bug that caused Size 2 fish to be uncatchable
Those are the extensive patch notes on April 15 in the Full Arsenal update for Ultrakill on Steam PC.