Tainted Cain was hit hard in this update. You can no longer abuse Secret Room mechanics to force special drops. The new meta for "Crafting Cain" involves:

This version of the game includes several updates, bug fixes, and balance changes. Some of the key changes include:

For modded gameplay, version 1.7.9B remains the gold standard.

With the release of v1.7.9b, Edmund McMillen officially confirmed that Repentance is for The Binding of Isaac . This patch represents the final, definitive version of the game—a “Gold Master” that would be ported to consoles and serve as the foundation for the community’s modding future.

+---------------------+-----------------------------------------+-----------------------------------------+ | Mechanic / Item | Pre-v1.7.9B Behavior | Post-v1.7.9B Behavior | +---------------------+-----------------------------------------+-----------------------------------------+ | Tainted Cain Stats | Lower baseline damage modifier | Matched directly to standard Cain stats | | TMTRAINER Ratio | 1:2 ratio of Active to Passive items | 1:4 ratio (Fewer active items spawn) | | Death Certificate | Restricted by Tainted Lost item bans | Ignores character-specific item bans | | Star of Bethlehem | Constant slow speed regardless of player| Active rubber-banding tracking speed | | D4 / D100 Rerolls | Reset item-driven transformation checks | Rerolled items count toward transforms | +---------------------+-----------------------------------------+-----------------------------------------+ In-Depth Breakdown of Critical Changes 1. Star of Bethlehem Quality of Life Buff