(I've got permission to post this, ask Moegreche.)
Here is the mod page with the link and the details (Sonny Wiki).
Features:
-Rebalanced abilities, leveling, classes, items, teammates, enemies, mechanics.
-New mechanics, battle UI, abilities, enemies, stages, items, builds, allies, training fights, strategies, dialogue tooltip, area of effect abilities, and reworked zone 4.
-More accurate descriptions/info.
-Fixes, extras, etc.
2.2 (2024 Jun.) - The accuracy & hot hydro update
-Major rework of the accuracy system (to sum up: more hit chance for everyone)
-New stats: hit chance and dodge chance, present on items and buffs
-Major changes to physical and fire hydraulic (too many changes to list here, check the detailed log)
/!\ If using saves from a previous version, do a re-spec for hydraulic runs /!\
-Added new ally experience catchup system (activates for ALL allies 1.5 levels behind Sonny)
-Major balancing
-Vicious Strike and some AI moves now heal instantly based on damage done
-Some enemies were changed (too many changes to list here, check the detailed log)
-Ally changes (Veradux heal is now Lightning, Enigma nerfed, Felicity blade dance changed, etc.)
-Fixed shop buy/sell price, they adapt to the item slot
-All shops have 15 items now
-3 new weapons in zone 6
-Fixed some incorrect values on the piercing bars
-Fixed stun VFX when someone is affected by multiple stuns