Verified patch notes highlight significant improvements to stability and mechanical accuracy:
Released in April 2008, Patch 1.5 was designed to refine the Kingdoms expansion by addressing lingering bugs and balancing unit statistics across the four main campaigns: Americas, Britannia, Crusades, and Teutonic. Key Fixes and Features medieval total war 2 15 patch verified
Improved deployment zones to prevent units from starting in unreachable locations during river crossing or bridge battles. medieval total war 2 15 patch verified