v4.4
-Fixed Siege Engine spawning incorrectly in multiplayer worlds, sometimes making the fight impossible.
-Fixed an old bug with Finis' wave projectiles not moving correctly.
-Fixed an old bug with Skull of Steel being left-clickable when held due to old legacy code.
-Added a new accessory.

v4.3
-Added support for Infernum mode music.
-Fixed Siege Downer and Skull of Steel not working in extra accessory slots.
-Fixed Mechdusa getting teleported out of bounds when standing still for too long.

v4.2
-Fixed a bug where any of St4-sys' loot aren't being dropped by Mechdusa.
-Fixed Mechdusa's mechclops attack having some oddities with projectile behavior.
-Fixed Mechdusa's death animation (tail explosions) were spawning more items than intended, filling up the item cap very quickly.

v4.1
-Added 2 new weapons.
-Added a small visual effect to St4-sys (mech deer) where they spew out random junk when getting hit or falling.
-Added some new dash sounds to the Twins.
-Rebalanced the movement of the Twins a little to prevent accidentally running into them.
-Fixed Siege Engine not being able to despawn.
-Fixed Beam Sword rework being inconsistent with the swing effect.
-Fixed Termination Sequence not being able to receive ranger modifiers.
-Fixed Flinxcopter minions not being unsummoned correctly, leading to either keeping the buff or the minion.
-Improved the hit rate of Double Trouble towards small targets.
-Updated description.

v4.0
-Added Mech deerclops. Drops souls of freight, the essence of load and burden.
-Added Mech wall. Drops souls of tight, essence of powerful, crushing forces.
-Added Revengeance mode support, you will see attacks from both Calamity and this mod.
-Added a bunch of new items to go along side the new Mech souls.
-Added Twins resprite.
-Added an alternate attack to Spazmatism's phase 2 flamethrower when Retinazer dies (or in master mode).
-Increased Mechdusa's health in non-zenith worlds.
-Reduced the randomness of Caretaker's attack patterns, to give her other attacks a chance to show up when fighting her.
-Fixed the bug where Mechdusa's tail and servants despawn for real this time.
-Fixed Prime spikes and circular saws drawing behind tiles.
-Fixed rare error spam caused by phase bombs.
-Fixed multiple rare errors regarding certain projectiles that use a custom targetting system (like the reworked optic staff)
-Fixed Destroyer self destructing when infernum mode is enabled. (If issue persists, disable death animations. That was the cause of this conflict.)
-Updated boss checklist compatibility.
-Updated Eternity mode compatibility to work with the new mechs and resprites, you will now also see attacks from both Fargo and this mod in the vanilla Mechs.
-Changed Retinazer's final stand again. No longer just laser spam.
-Changed the way B-33 "Shank"s attack. They now lock onto a random position near the player before firing a slow moving laser.
-Changed Mechdusa's final stand and as well as gave her an overheat effect that she did not have.
-Gave Mechdusa an attack to represent Mech deerclops.
-Strange plating from Thorium mod can now be used as an alternative crafting item for repurposed boss summon weapons. (The weapons that use Mech boss remotes in their recipes like the Termination Sequence)
-Phasesaber rework now works with Thorium phasesabers.
-The new Mechs now adjust their stats based on how many Mechs are killed if Calamity is enabled. (NOTE: This assumes that you have the "Early hardmode progression rework" setting enabled!)

v3.9
-Fixed some of Skeletron Prime's projectiles either being completely transparent or black with a red glow in multiplayer.
-Fixed Mechdusa growing a second tail when despawning.
-Fixed Mechdusa's death animation being completely broken.
-Fixed Mechdusa's tail despawning from distance.
-Made Mechdusa faster when using some attacks.
-Gave Mechdusa 2 new attacks.

v3.8
-Fixed Mechdusa not being able to spawn naturally in getfixedboi worlds.
-Fixed boss threats being able to carry from one world to another, letting players spawn mechs at any point of progression.
-Fixed Hand Prime's hook rendering weirdly when riding a mount.
-Fixed Hand Prime's hook despawing when simply holding the jump button.

v3.7
-Improved the code used to modify vanilla recipes. (To allow them to work with shimmer correctly)
-Added an option to disable daytime mechs.
-Added an option to disable unlimited mech summons.
-Fixed a bug where Skeletron Prime's head and Retinazer do not send client packets to the server, leading to desyncs and buggy projectile attacks.
-Fixed a soft lock that can occur when both Twins enter phase 2 at the same time.
-Fixed a bug where the Twins don't become invincible when transitioning to phase 2 and 3 in multiplayer.
-Fixed Mechdusa's tail spawning inconsistently.

v3.6
-Fixed laser attacks being invisible from afar.
-Fixed Seeker Droids dealing contact damage when not dashing.

v3.5
-Fixed Hand Prime being only able to fire to the right.
-Fixed Bloodshed and True Bloodshed's slice effect being broken in upside down gravity.
-Fixed Phasesaber's slice effect being smaller than the blade.
-Fixed the recoil animation of Hand Prime.