Spirit Mod 126.96.36.199 was the 2nd hotfix update for 188.8.131.52, it fixed a good chunk of bugs and also nerfed/buffed some weapons.
Skeletalon summon now does not cost a minion slot/remove existing minions
Skeletalon Staff: Reduced damage, reduced number of birds spawned, and birds can no longer spawn at the cursor position anymore Nerfed
Quackling Staff damage and homing speed Buffed
Freeman damage, attacks now deal AoE Buffed Staff of the Jade Dragon damage, knockback, and reduced mana cost
Cornucop-ion now has a sell price Increased
Pigron Staff drop rates to 1/12 Hookbats now spawn more frequently
Distressed Jelly and Dreamlight Jelly now display on the Lifeform Analyzer
Moon Jelly Wizard now despawns on player death or when it hits daytime
Ancient Specters and Netherbanes now drop Ethereal Ember Edited Hookbat Quest info for more clarity on where exactly Hookbats spawn
Festerfly defense, HP, and spawn chance Buffed Arcane Zones: All zones now have a size increase of 20%
All Arcane Zones that buff players or debuff enemies give longer lasting buffs/debuffs
Repulsion Zones now take 28 hits to break instead of 24
Cragbound Staff and Core Controller minions now stand on platforms Updated
Jelly Deluge info in Boss Checklist to contain info about the Distress Jelly summon option Increased Distress Jelly spawn chances slightly.